Sonatus is accelerating vehicle software innovation and the transition towards software-defined vehicles. Our platforms and products serve as the key building blocks that allow automotive companies and their ecosystem to innovate faster and deliver continuous improvements in costs, capabilities, reliability, and user experience over the vehicle lifespan. Sonatus’ award-winning software platform is in mass production vehicles from Hyundai, Kia, and Genesis today and will grow to millions of cars by 2024. The company has raised more than $110 million USD with world-class automotive, technology, and venture investors including Foxconn, Hyundai Motor Group’s Kia Corporation, LG Electronics, Marvell, SAIC Capital, Translink Capital, UMC Capital, and Wanxiang Group Company. Sonatus is headquartered in Sunnyvale, CA (Silicon Valley), with offices in Paris, Shanghai, Seoul and Tokyo.

sonatus

Join a high-performing team at Sonatus that’s redefining what cars can do in the era of Software-Defined Vehicles (SDV). At Sonatus, we’re driving the transformation to AI-enabled software-defined vehicles. Traditional automotive software methods can’t keep pace with consumer expectations shaped by the mobile industry—where features evolve rapidly, update seamlessly, and improve continuously. That’s why leading OEMs trust Sonatus to accelerate this shift. Our technology is already in production across more than 5 million vehicles on the road today and rapidly expanding. Headquartered in Sunnyvale, CA, with 250+ employees worldwide, Sonatus combines the agility of a fast-growing company with the scale and impact of an established partner. Backed by strong funding and proven by global deployment, we’re solving some of the most interesting and complex challenges in the industry. Join us and help redefine what’s possible as we shape the future of mobility.We are seeking an MSc or PhD intern specializing in data systems or high-performance computing to design and implement a lightweight, adaptive log pre-filtering system. This role focuses on extreme system efficiency and real-time embedded hardware constraints to achieve significant data volume reduction for downstream AI models. This a temporary role that runs for approximately&nbsp;12 weeks&nbsp;with a projected start date in early June. Please note that we are only considering candidates who graduated in Spring 2026 and are local to the Bay Area, as this role follows a hybrid schedule with three in‑office days per week. Key Responsibilities: System Design: Design and implement an adaptive log pre-filtering system integrated into the vehicle’s data pipeline. Optimization: Utilize zero-copy memory manipulation and optimized batching to ensure minimal CPU and RAM overhead. Performance Engineering: Balance aggressive data reduction goals (targeting an 80% reduction) with the strict performance requirements of real-time embedded hardware. Collaboration: Work alongside senior software and ML engineers to integrate solutions into existing vehicle data pipes. Required Skills: Must have graduated in Spring 2026 with a BS, MS, or PhD degree&nbsp;with a focus on AI/ML model development. Specialization: Currently pursuing an MSc or PhD in High-Performance Computing, Data Systems, Computer Science, or a related field. Programming: Familiarity with C++ and expertise in low-level system efficiency. Systems Engineering: Experience with zero-copy memory manipulation, memory management, and optimized batching. Must be local to the bay area, or willing to relocate, and come into office 3 days/week (Monday, Tuesday and Thursday). Preferred Skills: Understanding of CPU/RAM overhead optimization in resource-constrained environments. Familiarity with automotive data formats and real-time data processing. &nbsp; Sonatus Perks include: Complimentary lunches, snacks and beverages during on-site working days Hybrid office work arrangement Computer accessory allowance 15 paid holidays The posted pay per hour range is a general guideline and represents a good faith estimate of what Sonatus ("Company") could reasonably expect to pay per hour for this position. The pay offered to a selected candidate will be determined based on factors such as (but not limited to) the scope and responsibilities of the position, the qualifications of the selected candidate, departmental budget availability, geographic location and external market pay for comparable jobs. The Company reserves the right to modify this range in the future, as needed, as market conditions change.Pay per Hour$20&mdash;$30 USDTo all recruitment agencies: Sonatus, Inc. ("Sonatus") does not accept unsolicited agency resumes. Please do not forward resumes to our careers alias or other Sonatus' employees. Sonatus is not responsible for any fees associated with unsolicited activities. &nbsp;

AI Software Engineer, New Graduate (High-Performance Data Pipeline)

Join a high-performing team at Sonatus that’s redefining what cars can do in the era of Software-Defined Vehicles (SDV). At Sonatus, we’re driving the transformation to AI-enabled software-defined vehicles. Traditional automotive software methods can’t keep pace with consumer expectations shaped by the mobile industry—where features evolve rapidly, update seamlessly, and improve continuously. That’s why leading OEMs trust Sonatus to accelerate this shift. Our technology is already in production across more than 5 million vehicles on the road today and rapidly expanding. Headquartered in Sunnyvale, CA, with 250+ employees worldwide, Sonatus combines the agility of a fast-growing company with the scale and impact of an established partner. Backed by strong funding and proven by global deployment, we’re solving some of the most interesting and complex challenges in the industry. Join us and help redefine what’s possible as we shape the future of mobility.This role is ideal for an MSc or PhD student with a strong background in AI/ML model development. You will conduct research to evaluate and benchmark various model architectures for "low-training" or few-shot learning applications specifically for embedded vehicle logs. This a temporary role that runs for approximately&nbsp;12 weeks&nbsp;with a projected start date in early June. Please note that we are only considering candidates who graduated in Spring 2026 and are local to the Bay Area, as this role follows a hybrid schedule with three in‑office days per week. Key Responsibilities: Research &amp; Benchmarking: Conduct an AI research study to identify efficient neural architectures for high-accuracy log analysis. Model Development: Develop and evaluate few-shot learning applications for embedded vehicle logs (e.g., ADB, DLT). Experimental Validation: Perform experimental validation of models in resource-constrained environments using internal compute unit data streams. Documentation: Clearly document findings, experiments, and results of various benchmarked architectures. Required Skills: Must have graduated in Spring 2026 with a BS, MS, or PhD degree&nbsp;with a focus on AI/ML model development. AI/ML Expertise: Strong understanding of few-shot learning, neural architecture search, or anomaly detection. Technical Proficiency: Strong programming skills in Python and deep learning frameworks like PyTorch or TensorFlow. Prior experience with NLP and language models (e.g., SBERT). Must be local to the bay area, or willing to relocate, and come into office 3 days/week (Monday, Tuesday and Thursday). Preferred Skills: Experience with "low-training" applications in resource-constrained or embedded environments. Familiarity with automotive logs such as ADB or DLT. &nbsp; Sonatus Perks include: Complimentary lunches, snacks and beverages during on-site working days Hybrid office work arrangement Computer accessory allowance 15 paid holidays The posted pay per hour range is a general guideline and represents a good faith estimate of what Sonatus ("Company") could reasonably expect to pay per hour for this position. The pay offered to a selected candidate will be determined based on factors such as (but not limited to) the scope and responsibilities of the position, the qualifications of the selected candidate, departmental budget availability, geographic location and external market pay for comparable jobs. The Company reserves the right to modify this range in the future, as needed, as market conditions change.Pay per Hour$20&mdash;$30 USDTo all recruitment agencies: Sonatus, Inc. ("Sonatus") does not accept unsolicited agency resumes. Please do not forward resumes to our careers alias or other Sonatus' employees. Sonatus is not responsible for any fees associated with unsolicited activities. &nbsp;

AI Software Engineer, New Graduate (In-Vehicle Log Analysis)

At Sonatus, we’re driving the transformation to AI-enabled software-defined vehicles. Traditional automotive software methods can’t keep pace with consumer expectations shaped by the mobile industry—where features evolve rapidly, update seamlessly, and improve continuously. That’s why leading OEMs trust Sonatus to accelerate this shift. Our technology is already in production across more than 6 million vehicles on the road today and rapidly expanding. Headquartered in Sunnyvale, CA, with 250+ employees worldwide, Sonatus combines the agility of a fast-growing company with the scale and impact of an established partner. Backed by strong funding and proven by global deployment, we’re solving some of the most interesting and complex challenges in the industry. Join us and help redefine what’s possible as we shape the future of mobility.The Opportunity The Updater team is responsible for the successful deployment of firmware, vehicle applications, and vehicle configurations to the vehicle. The Updater is a key component in delivering a successful software-defined vehicle solution — it's how new features, fixes, and configurations actually reach the car after it leaves the factory. Join us to help build the system that keeps vehicles improving over their entire lifetime.&nbsp; In this role, you will participate in the design and implementation of the updater software running on the vehicle. You will contribute to defining the updater interfaces between the cloud and the vehicle, as well as the update agents that handle different types of target assets. You will report directly to the Engineering Manager of Vehicle Development Responsibilities Design, develop, and maintain embedded C++ software for vehicle-side asset update systems, including update orchestration, campaign management, and software distribution Implement and integrate communication interfaces for coordination between vehicle services Collaborate with cloud platform teams to integrate end-to-end for campaign delivery, status reporting, and asset inventory management Write unit tests and integration tests to ensure update reliability and safety across diverse vehicle configurations Participate in code reviews and contribute to a culture of software quality and continuous improvement Debug and resolve complex cross-layer issues spanning OS, middleware, and application software Create and maintain technical documentation for designs, interfaces, and processes Required Qualifications Bachelor's degree or higher in Computer Science, Computer Engineering, Electrical Engineering, or a related field 5+ years of professional experience in embedded software development or 3+ years of experience with MS or higher degree. Strong proficiency in modern C++ Experience with embedded Linux or RTOS-based systems Understanding of concurrency, memory management, and performance optimization in resource-constrained environments Familiarity with inter-process or inter-service communication (RPC frameworks, message passing, pub/sub patterns) Strong debugging and problem-solving skills at the system level Preferred Qualifications Experience with OTA update systems, firmware update mechanisms, or software distribution for embedded devices Familiarity with automotive communication protocols (SOME/IP, CAN, UDS, MQTT) Knowledge of AUTOSAR (Classic or Adaptive) Experience with build systems such as Bazel or CMake &nbsp; Sunnyvale HQ Benefits &amp; Perks Offered: Health care plan (Medical, Dental &amp; Vision) Flexible and Dependent Care Expense program Retirement plan (401k) Life Insurance (Basic, Voluntary &amp; AD&amp;D) Unlimited paid time off per year, 14+ paid holidays Hybrid office work arrangement Complimentary lunches, snacks, and beverages during on-site working days Wellness benefit allowance Phone &amp; Internet reimbursement Computer Accessory Allowance &nbsp;The posted salary range is a general guideline and represents a good faith estimate of what Sonatus ("Company") could reasonably expect to pay for a base salary for this position. The pay offered to a selected candidate will be determined based on factors such as (but not limited to) the scope and responsibilities of the position, the qualifications of the selected candidate, departmental budget availability, geographic location and external market pay for comparable jobs. The Company reserves the right to modify this range in the future, as needed, as market conditions change.Base Salary Pay Range$153,000&mdash;$193,500 USD&nbsp; &nbsp;

Senior Automotive Embedded Software Engineer

At Sonatus, we’re driving the transformation to AI-enabled software-defined vehicles. Traditional automotive software methods can’t keep pace with consumer expectations shaped by the mobile industry—where features evolve rapidly, update seamlessly, and improve continuously. That’s why leading OEMs trust Sonatus to accelerate this shift. Our technology is already in production across more than 6 million vehicles on the road today and rapidly expanding. Headquartered in Sunnyvale, CA, with 250+ employees worldwide, Sonatus combines the agility of a fast-growing company with the scale and impact of an established partner. Backed by strong funding and proven by global deployment, we’re solving some of the most interesting and complex challenges in the industry. Join us and help redefine what’s possible as we shape the future of mobility.Role Summary: Sonatus is a leader in providing technologies and software to global OEMs to build software-defined vehicles. We are looking for a highly motivated Staff Software Engineer to join our fast-growing team. As part of a cross-functional team responsible for the full software development life cycle (SDLC), you will have the opportunity to work on cutting-edge in-vehicle software from conception through commercial deployment. This role reports to the Director of Engineering, Vehicle Development. Responsibilities: Design and implement highly complex, resource-efficient, reliable, and safety-critical in-vehicle software from requirements through production and commercial deployment. Collaborate closely with peer engineers and cross-functional teams (QA, DevOps, system architects, product managers, project managers, hardware) to translate requirements into robust software components. Help coordinate day-to-day execution across the team, identifying blockers early and keeping work moving in alignment with project schedules. Participate in architecture discussions and contribute to design decisions with well-reasoned, clearly communicated input. Provide technical guidance and mentorship to engineers, fostering a collaborative, high-quality engineering culture. Write clean, maintainable, well-documented code; maintain unit and integration tests. Analyze and enhance the efficiency, stability, and scalability of system resource usage. Participate in QA test plan reviews and collaborate with QA in debugging sessions. Contribute to and maintain technical documentation, including design docs and technical specifications. Requirements: Bachelor's degree in Computer Science, Electrical Engineering, Software Engineering, or a related field. 7+ years of software development experience. Expert-level proficiency in C/C++ (C++11 or later); strong grasp of data structures, algorithms, and OS fundamentals. Proficient in Python or other scripting languages. Proven experience as a tech lead or in a senior individual contributor role with demonstrated influence on team direction and code quality. Significant experience in systems design involving multi-threading and concurrency. Hands-on experience with inter-process communication (IPC) and middleware technologies (e.g., gRPC, protobuf, vSomeIP, shared memory). Experience with C++ build toolchains such as CMake or Bazel. Strong written and verbal communication skills, with the ability to work collaboratively across functions and influence without authority. Nice to have: MS/PhD in Computer Science, Engineering, or a related field. Experience building edge AI products. Experience with embedded operating systems (RTOS, Embedded Linux, Android) Familiarity with automotive and communication protocols such as CAN, CAN-FD, Ethernet (TCP/IP), SOME/IP, and Unified Diagnostics Services (UDS). Good understanding of hardware devices such as MCUs, CPUs, HPCs, and network switches. Experience with automotive software standards and product development (e.g., AUTOSAR Classic/Adaptive, ISO 26262, MISRA). Familiarity with ASPICE processes and automotive software development lifecycle practices. Experience with requirements management tools (e.g., Jama). Experience in project management and agile development methodologies. Sunnyvale HQ Benefits &amp; Perks Offered: Health care plan (Medical, Dental &amp; Vision) Flexible and Dependent Care Expense program Retirement plan (401k) Life Insurance (Basic, Voluntary &amp; AD&amp;D) Unlimited paid time off per year, 14+ paid holidays Hybrid office work arrangement Complimentary lunches, snacks, and beverages during on-site working days Wellness benefit allowance Phone &amp; Internet reimbursement Computer Accessory Allowance &nbsp;The posted salary range is a general guideline and represents a good faith estimate of what Sonatus ("Company") could reasonably expect to pay for a base salary for this position. The pay offered to a selected candidate will be determined based on factors such as (but not limited to) the scope and responsibilities of the position, the qualifications of the selected candidate, departmental budget availability, geographic location and external market pay for comparable jobs. The Company reserves the right to modify this range in the future, as needed, as market conditions change.Base Salary Pay Range$168,500&mdash;$232,000 USD&nbsp; &nbsp;

Staff Software Engineer, Vehicle Applications

<div class="content-intro">At Sonatus, we’re driving the transformation to AI-enabled software-defined vehicles. Traditional automotive software methods can’t keep pace with consumer expectations shaped by the mobile industry—where features evolve rapidly, update seamlessly, and improve continuously. That’s why leading OEMs trust Sonatus to accelerate this shift. Our technology is already in production across more than 8 million vehicles on the road today and rapidly expanding.
Headquartered in Sunnyvale, CA, with 250+ employees worldwide, Sonatus combines the agility of a fast-growing company with the scale and impact of an established partner. Backed by strong funding and proven by global deployment, we’re solving some of the most interesting and complex challenges in the industry. Join us and help redefine what’s possible as we shape the future of mobility.</div><h2>About the Role</h2>
At Sonatus, we are redefining the future of Software-Defined Vehicles (SDV) through agility and innovation. To achieve this, we operate as Mission-Driven Squads, where each team takes full end-to-end ownership of a specific module to deliver production-ready software with speed and precision.
We are looking for a&nbsp;Software Engineer - Customer Integration&nbsp;to join one of our squads (e.g., Secure Network, Data Hub) as a core member. In this role, you will go beyond traditional coding; you will act as a Full-Cycle Engineer who ensures the quality and reliability of the features you build.
This position is ideal for an experienced C/C++ developer who is passionate about delivering excellence. By leveraging AI tools like GitHub Copilot and Claude, you will drive the entire engineering lifecycle—from implementation to verification—safeguarding the integrity of our software for millions of vehicles on the road.
&nbsp;
<h2>Duties and Responsibilities</h2>
1. Squad Mission Contribution
<ul>
<li>Work under the guidance of the Squad Lead to execute the full engineering lifecycle—from Implementation to Verification.</li>
<li>Switch roles flexibly based on the squad’s goals (e.g., focusing on feature development in one sprint, and shifting to verification tasks in the next) to ensure the mission is accomplished.</li>
</ul>
2. Cross-Functional Engineering (Hybrid Dev &amp; QA)
<ul>
<li>Development: Design and develop high-quality C/C++ embedded software based on customer requirements.</li>
<li>Verification: Design Python-based test cases and build automation frameworks to verify both your own code and the squad’s deliverables.</li>
<li>Documentation: Treat documentation as code. Create and maintain detailed technical documentation—including APIs, dependencies, and integration guides—to ensure the software is accessible, maintainable, and seamlessly integrated by customers.</li>
<li>Review: Participate in Code Reviews not just for logic, but with a focus on Testability and Safety, ensuring the code is robust before it merges.</li>
</ul>
3. Quality Ownership
<ul>
<li>Champion a culture of total ownership. You define "Done" not merely by implementation, but by delivering software that is Production-Ready and rigorously validated.</li>
<li>Actively troubleshoot and resolve build/test failures in the CI/CD pipeline as if they were your own code errors.</li>
</ul>
4. AI-Augmented Workflow
<ul>
<li>Leverage AI tools such as GitHub Copilot and Claude to maximize productivity.</li>
<li>Use AI to lower the barrier for cross-functional tasks (e.g., generating test scenarios for complex logic, or debugging unfamiliar code), allowing you to focus on high-value engineering challenges.</li>
</ul>
5. Customer Support
<ul>
<li>On-site Support: Support major test events with partners on-site (domestic/international), troubleshooting integration issues directly in vehicle or test bench environments to ensure successful deployment.</li>
<li>Technical Communication: Serve as a primary technical contact for integration issues, translating complex engineering concepts into clear guidance for customer engineering teams.</li>
</ul>
&nbsp;
<h2>Qualifications and Experience</h2>
[Foundation: Development Skills]
<ul>
<li>Core Language: Proficiency in C/C++ programming (strong understanding of pointers, memory management, and data structures).</li>
<li>OS Environment: Solid experience in development and debugging within a Linux environment.</li>
</ul>
[Key Differentiator: QA Capability &amp; Mindset]
<ul>
<li>Scripting: Experience using Python for writing test scripts or automating engineering tasks.</li>
<li>Testing Willingness: A flexible attitude with a strong belief that "Testing is Engineering." You are willing to balance your time between Dev and QA tasks (even up to 50:50) depending on the squad's needs.</li>
<li>Critical Thinking: Ability to look beyond the "Happy Path" and critically ask, "Is this truly safe for the user?"</li>
</ul>
<h2>&nbsp;</h2>
<h2>Preferred Knowledge and Experience</h2>
[Automotive Standards &amp; Quality]
<ul>
<li>Standards &amp; Audit: Experience in automotive design reviews and audit processes based on standards such as ISO 26262 (Functional Safety), Automotive SPICE (ASPICE), or ASIL.</li>
<li>Code Quality Analysis: Experience adhering to MISRA C/C++ coding standards and using static analysis tools such as Coverity, Polyspace, or similar products to manage code quality.</li>
</ul>
[Collaboration &amp; Tools]
<ul>
<li>Collaboration: Experience working in Cross-functional Squads or Agile/Scrum environments.</li>
<li>Tools: Proficiency with Jira/Confluence and Git-based workflows (Branching, Pull Requests).</li>
<li>Frameworks: Experience with Unit/Integration test frameworks (e.g., PyTest, GoogleTest).</li>
<li>Network Protocols: Deep understanding of automotive communication protocols (Ethernet, CAN, SOME/IP).</li>
<li>Adaptability: Eagerness to learn and adopt new technologies and AI tools to enhance workflow efficiency.</li>
</ul>
&nbsp;
<h2>Benefits &amp; Perks</h2>
Benefits Offered:
<ul>
<li>Competitive compensation and equity program</li>
<li>Support 4 social insurance plans</li>
<li>Family leave (Maternity, Paternity)</li>
<li>Hybrid office work-arrangement/flexibility</li>
</ul>
Perk Offerings:
<ul>
<li>Complimentary lunch/dinner, snacks and beverages during on-site working days</li>
<li>Wellness benefit allowances (towards gym membership and fitness programs)</li>
<li>Phone &amp; Internet reimbursement</li>
<li>Computer Accessory Allowance</li>
<li>Annual Appreciation Gift</li>
<li>Annual Health Checkup</li>
<li>Support English class</li>
</ul>
Employee Engagement Offerings:
<ul>
<li>Departmental team building and outings</li>
<li>Employee Referral Program</li>
<li>Culture/Employee Satisfaction Surveys - Feedback matters!</li>
<li>Innovative Award Program (annual)</li>
</ul>
&nbsp;
Sonatus is a fast-paced and innovative company and is seeking team members who are passionate about making a difference. If you are ready to take your career to the next level, we highly encourage you to apply.<div class="content-conclusion"><div>&nbsp;</div>
&nbsp;</div>

Software Engineer - Customer Integration

<div class="content-intro">At Sonatus, we’re driving the transformation to AI-enabled software-defined vehicles. Traditional automotive software methods can’t keep pace with consumer expectations shaped by the mobile industry—where features evolve rapidly, update seamlessly, and improve continuously. That’s why leading OEMs trust Sonatus to accelerate this shift. Our technology is already in production across more than 8 million vehicles on the road today and rapidly expanding.
Headquartered in Sunnyvale, CA, with 250+ employees worldwide, Sonatus combines the agility of a fast-growing company with the scale and impact of an established partner. Backed by strong funding and proven by global deployment, we’re solving some of the most interesting and complex challenges in the industry. Join us and help redefine what’s possible as we shape the future of mobility.</div><h2>About the Role</h2>
Mission-Driven Innovation: At Sonatus, we are redefining the future of Software-Defined Vehicles (SDV) through agility and innovation. We operate as Mission-Driven Squads, where each team takes full end-to-end ownership of a specific module to deliver production-ready software with speed and precision.
Full-Stack Networking Ownership: This role is built around in-vehicle network (IVN) engineering—spanning the full technical stack: Physical &amp; Data Link connectivity (Automotive Ethernet, TSN), Hardware Abstraction &amp; Firmware (EHAL, Switch Firmware), Application &amp; Diagnostic Protocols (SOME/IP, DoIP/UDS), and System-level Network Security (Linux Network Stack Hardening &amp; Traffic Control). You'll own the network path from implementation through verification, ensuring reliable, high-performance in-vehicle communication in real production vehicles.
Two Paths to Join: Who We're Looking For
<ul>
<li>Experienced Network Engineers: We prioritize candidates with established in-vehicle network expertise who can take immediate ownership of switch firmware, EHAL, and network security, serving as the technical contact for customers and OEM architects.</li>
<li>Embedded Software Specialists: We also highly welcome strong embedded software engineers with a solid foundation in Ethernet and networking who are eager to specialize. You will be supported by your squad to grow into this deep expertise, contributing to production-level development and verification from day one.</li>
</ul>
Bridge Between Worlds: In both cases, you will serve as a key technical bridge between development and real-world deployment, resolving critical issues and ensuring high-performance, reliable in-vehicle communication—from implementation all the way to verification.
&nbsp;
<h2>Duties and Responsibilities</h2>
1. Squad Mission Contribution
<ul>
<li>Work under the guidance of the Squad Lead to execute the full engineering lifecycle—from Implementation to Verification.</li>
<li>Switch roles flexibly based on the squad's goals (e.g., focusing on feature development in one sprint, and shifting to verification tasks in the next) to ensure the mission is accomplished.</li>
</ul>
2. In-Vehicle Network Engineering
<ul>
<li>Development: Design and develop high-performance C/C++ embedded software; this involves developing the Ethernet Hardware Abstraction Layer (EHAL) and implementing switch and Ethernet driver/control logic for Automotive Ethernet networks.</li>
<li>Network Design: Define and maintain the in-vehicle network design—topology, VLAN/QoS, and the communication matrix—and bring up new ECUs and switches on the network.</li>
<li>Configuration &amp; Security: Configure and harden the in-vehicle network for secure, high-performance communication across Automotive Ethernet and connected buses (CAN/CAN-FD).</li>
<li>Verification: Diagnose network integration issues through packet and protocol analysis, and validate network performance (latency, jitter, bandwidth) against defined requirements.</li>
<li>Integration Ownership: Serve as the technical owner of in-vehicle network integration, working closely with OEM network architects and customer engineering teams.</li>
</ul>
3. Quality Ownership
<ul>
<li>QA Ownership: Champion a culture of total ownership. You define "Done" not merely by implementation, but by delivering software that is Production-Ready and rigorously validated.</li>
<li>Maintain CI/CD pipeline: Actively troubleshoot and resolve build/test failures in the CI/CD pipeline as if they were your own code errors.</li>
<li>Test Automation: Design Python-based test cases and build automation frameworks to verify both your own code and the squad's deliverables.</li>
<li>Documentation: Treat documentation as code. Create and maintain detailed technical documentation—including APIs, dependencies, and integration guides—so the software is accessible, maintainable, and seamlessly integrated by customers.</li>
<li>Peer Review: Participate in Code Reviews not just for logic, but with a focus on Testability and Safety, ensuring the code is robust before it merges.</li>
</ul>
4. AI-Augmented Workflow
<ul>
<li>Leverage AI tools such as GitHub Copilot and Claude to maximize productivity.</li>
<li>Use AI to lower the barrier for cross-functional tasks (e.g., generating test scenarios for complex logic, or debugging unfamiliar code), allowing you to focus on high-value engineering challenges.</li>
</ul>
5. Customer Support
<ul>
<li>On-site Support: Support major test events with partners on-site, utilizing packet analysis and diagnostic tools (e.g., Wireshark, Vector CANoe, traffic generators, and PHY/physical-layer analyzers) to troubleshoot and resolve complex network performance, timing, and connectivity issues across Automotive Ethernet, TSN, and gateway paths (CAN/CAN-FD, LIN) within vehicle or test bench environments.</li>
<li>Technical Communication: Serve as a primary technical contact for integration issues, providing deep-dive analysis on network configurations, switch/VLAN and firewall setups, service and diagnostic protocol behavior (SOME/IP, DoIP/UDS), and security mechanisms (MACsec, SecOC), and troubleshooting network-related anomalies to provide clear guidance for customer engineering teams.</li>
</ul>
<h2>Qualifications and Experience</h2>
[Foundation: Development Skills]
<ul>
<li>Experience: 3+ years of experience in embedded software development or engineering.</li>
<li>Core Language: Proficiency in C/C++ programming (strong understanding of pointers, memory management, and data structures).</li>
<li>OS Environment: Solid experience in development and debugging within a Linux environment.</li>
<li>Network interest: Genuine interest in in-vehicle networking, and a working understanding of TCP/IP and Ethernet fundamentals.</li>
</ul>
&nbsp;
[The role, two tracks — we welcome candidates on either path]
Track A — Experienced In-Vehicle Network Engineer
You already bring deep, hands-on networking expertise, such as:
<ul>
<li>Automotive Ethernet: Deep expertise in 100/1000BASE-T1 (and 10BASE-T1S for zonal architectures) and in-vehicle network architectures.</li>
<li>Network Switch Control &amp; EHAL: Hands-on development of the Ethernet Hardware Abstraction Layer (EHAL) and switch driver/control logic, including the Linux DSA switch framework and PHY/MAC bring-up.</li>
<li>TSN &amp; Time Sync: Time-Sensitive Networking—gPTP/802.1AS time synchronization, Time-Aware Shaper (802.1Qbv), Credit-Based Shaper (802.1Qav), and frame preemption (802.1Qbu).</li>
<li>Service &amp; Diagnostic Protocols: SOME/IP and SOME/IP-SD (service discovery), and diagnostics over IP—DoIP (ISO 13400) and UDS (ISO 14229).</li>
<li>Gateway &amp; Legacy Buses: Routing and gateway design between CAN/CAN-FD, LIN, and Automotive Ethernet.</li>
<li>Network Security &amp; Configuration: Proficiency in the Linux network stack (iptables/netfilter, tc/qdisc, firewalls, VLAN management), plus automotive security mechanisms such as MACsec (802.1AE) and Secure Onboard Communication (SecOC).</li>
<li>Troubleshooting &amp; Tools: Packet tracing and protocol analysis with Wireshark/tcpdump, Vector CANoe/CANalyzer</li>
</ul>
Track B — Embedded Engineer Growing into a Network Specialist
You have a strong embedded/firmware foundation and are eager to build the expertise above. We're looking for evidence you can get there fast:
<ul>
<li>Solid embedded C/C++ and Linux fundamentals (see Foundation above).</li>
<li>Some exposure to networking—course work, side projects, or prior tasks involving Ethernet, TCP/IP, sockets, or network drivers.</li>
<li>A clear motivation to specialize in automotive networking (Automotive Ethernet, TSN, SOME/IP, network security) and a demonstrated ability to learn complex, low-level systems quickly.</li>
</ul>
&nbsp;
[Key Differentiator: QA Capability &amp; Mindset]
<ul>
<li>Scripting: Experience using Python for writing test scripts or automating engineering tasks.</li>
<li>Testing Willingness: A flexible attitude with a strong belief that "Testing is Engineering." You are willing to balance your time between Dev and QA tasks (even up to 50:50) depending on the squad's needs.</li>
<li>Critical Thinking: Ability to look beyond the "Happy Path" and critically ask, "Is this truly safe for the user?"</li>
</ul>
&nbsp;
<h2>Preferred Knowledge and Experience</h2>
[Automotive Standards &amp; Quality]
<ul>
<li>Standards &amp; Audit: Experience in automotive design reviews and audit processes based on standards such as ISO 26262 (Functional Safety), Automotive SPICE (ASPICE), or ASIL.</li>
<li>Code Quality Analysis: Experience adhering to MISRA C/C++ coding standards and using static analysis tools such as Coverity, Polyspace, or similar products to manage code quality.</li>
</ul>
[Collaboration &amp; Tools]
<ul>
<li>Collaboration: Experience working in Cross-functional Squads or Agile/Scrum environments.</li>
<li>Tools: Proficiency with Jira/Confluence and Git-based workflows (Branching, Pull Requests).</li>
<li>Frameworks: Experience with Unit/Integration test frameworks (e.g., PyTest, GoogleTest).</li>
<li>Network Protocols: Deep understanding of automotive communication protocols (Ethernet, CAN, SOME/IP).</li>
<li>Adaptability: Eagerness to learn and adopt new technologies and AI tools to enhance workflow efficiency.</li>
</ul>
&nbsp;
<h2>Benefits &amp; Perks</h2>
Benefits Offered:
<ul>
<li>Competitive compensation and equity program</li>
<li>Support 4 social insurance plans</li>
<li>Family leave (Maternity, Paternity)</li>
<li>Hybrid office work-arrangement/flexibility</li>
</ul>
Perk Offerings:
<ul>
<li>Complimentary lunch/dinner, snacks and beverages during on-site working days</li>
<li>Wellness benefit allowances (towards gym membership and fitness programs)</li>
<li>Phone &amp; Internet reimbursement</li>
<li>Computer Accessory Allowance</li>
<li>Annual Appreciation Gift</li>
<li>Annual Health Checkup</li>
<li>Support English class</li>
</ul>
Employee Engagement Offerings:
<ul>
<li>Departmental team building and outings</li>
<li>Employee Referral Program</li>
<li>Culture/Employee Satisfaction Surveys - Feedback matters!</li>
<li>Innovative Award Program (annual)</li>
</ul>
&nbsp;
Sonatus is a fast-paced and innovative company and is seeking team members who are passionate about making a difference. If you are ready to take your career to the next level, we highly encourage you to apply.<div class="content-conclusion"><div>&nbsp;</div>
&nbsp;</div>

Software Engineer - Customer Integration (Network)

Join a high-performing team at Sonatus that’s redefining what cars can do in the era of Software-Defined Vehicles (SDV). At Sonatus, we’re driving the transformation to AI-enabled software-defined vehicles. Traditional automotive software methods can’t keep pace with consumer expectations shaped by the mobile industry—where features evolve rapidly, update seamlessly, and improve continuously. That’s why leading OEMs trust Sonatus to accelerate this shift. Our technology is already in production across more than 5 million vehicles on the road today and rapidly expanding. Headquartered in Sunnyvale, CA, with 250+ employees worldwide, Sonatus combines the agility of a fast-growing company with the scale and impact of an established partner. Backed by strong funding and proven by global deployment, we’re solving some of the most interesting and complex challenges in the industry. Join us and help redefine what’s possible as we shape the future of mobility.Sonatus is seeking a highly motivated AI Engineer, New Graduate to join our team and help us accelerate software innovations for next-generation AI driven software-defined vehicles. We are passionate about putting our customers first and creating products that solve real-world problems.&nbsp; Applications will be open until Monday, March 16th and interviews could start immediately after the submission of an application. This a temporary role that runs for approximately 12 weeks&nbsp;with a projected start date in early June. Please note that we are only considering candidates who graduated in Spring 2026 and are local to the Bay Area, as this role follows a hybrid schedule with three in‑office days per week. Duties and Responsibilities Based on project priorities, the engineer may work in one or more areas, including but not limited to: Evaluate and compare state of art researches, technologies and solutions Evaluate and compare open-source tools and technologies Explore optimal approaches to various problems Implement and evaluate solutions to specific problems Qualifications and Experience Must have graduated in Spring 2026 with a BS, MS, or PhD degree in any fields related to science, applied science, or engineering Strong software development fundamentals, hands on coding skills, and ability to use AI coding tools effectively Results-driven with a positive can-do attitude and excellent problem-solving skills Excellent verbal and written communication skills, with the ability to collaborate effectively with cross-functional teams Must be local to the bay area, or willing to relocate, and come into office 3 days/week (Monday, Tuesday and Thursday) &nbsp; Sonatus Perks include: Complimentary lunches, snacks and beverages during on-site working days Hybrid office work arrangement Computer accessory allowance 15 paid holidays The posted salary range is a general guideline and represents a good faith estimate of what Sonatus ("Company") could reasonably expect to pay for a base salary for this position. The pay offered to a selected candidate will be determined based on factors such as (but not limited to) the scope and responsibilities of the position, the qualifications of the selected candidate, departmental budget availability, geographic location and external market pay for comparable jobs. The Company reserves the right to modify this range in the future, as needed, as market conditions change.Pay range for this role$20&mdash;$30 USDTo all recruitment agencies: Sonatus, Inc. ("Sonatus") does not accept unsolicited agency resumes. Please do not forward resumes to our careers alias or other Sonatus' employees. Sonatus is not responsible for any fees associated with unsolicited activities. &nbsp;

AI Engineer, New Graduate

Join a high-performing team at Sonatus that’s redefining what cars can do in the era of Software-Defined Vehicles (SDV). At Sonatus, we’re driving the transformation to AI-enabled software-defined vehicles. Traditional automotive software methods can’t keep pace with consumer expectations shaped by the mobile industry—where features evolve rapidly, update seamlessly, and improve continuously. That’s why leading OEMs trust Sonatus to accelerate this shift. Our technology is already in production across more than 5 million vehicles on the road today and rapidly expanding. Headquartered in Sunnyvale, CA, with 250+ employees worldwide, Sonatus combines the agility of a fast-growing company with the scale and impact of an established partner. Backed by strong funding and proven by global deployment, we’re solving some of the most interesting and complex challenges in the industry. Join us and help redefine what’s possible as we shape the future of mobility.We are looking for an enthusiastic and talented Frontend Engineer for Intern position who is eager to learn and grow in the field of web development. In this role, you will be responsible for implementing user-facing features, working with modern frontend technologies, and contributing to the overall development of web applications. Interviews could start immediately after the submission of an application. This role has a duration of 10 weeks with flexible start and end date.&nbsp; Please note that we are only considering candidates who graduated in Spring 2026 and are local to the Bay Area, as this role follows a hybrid schedule with three in‑office days per week. Key Responsibilities: Assist in developing and maintaining responsive, user-friendly, and accessible web applications. Write clean, well-documented, and efficient code following best practices and industry standards. Collaborate with the design team to implement pixel-perfect UI designs. Participate in code reviews, troubleshooting, and debugging to ensure high-quality software. Work closely with backend engineers to integrate frontend components with APIs and other services. Stay up-to-date with emerging frontend technologies and trends. Requirements: Must have graduated in Spring 2026 with a BS, MS, or PhD degree in any fields related to science, applied science, or engineering Basic knowledge of HTML5, CSS3, and JavaScript/TypeScript. Familiarity with frontend frameworks like React, Angular, or Vue.js. Basic experience with version control tools (Git). A keen eye for detail and a passion for building great user interfaces. Good communication skills and a willingness to learn from more experienced team members. Must be local to the bay area, or willing to relocate, and come into office 3 days/week (Monday, Tuesday and Thursday) Nice to Have: Familiarity with CSS preprocessors (SASS, LESS). Basic knowledge of state management tools (Redux, Vuex, etc.). Experience with testing frameworks (Jest, Mocha, Cypress, etc.). Knowledge of Agile/Scrum methodologies. &nbsp; Sonatus Perks include: Complimentary lunches, snacks and beverages during on-site working days Hybrid office work arrangement Computer accessory allowance 15 paid holidays The posted pay per hour range is a general guideline and represents a good faith estimate of what Sonatus ("Company") could reasonably expect to pay per hour for this position. The pay offered to a selected candidate will be determined based on factors such as (but not limited to) the scope and responsibilities of the position, the qualifications of the selected candidate, departmental budget availability, geographic location and external market pay for comparable jobs. The Company reserves the right to modify this range in the future, as needed, as market conditions change.Pay per Hour$20&mdash;$30 USDTo all recruitment agencies: Sonatus, Inc. ("Sonatus") does not accept unsolicited agency resumes. Please do not forward resumes to our careers alias or other Sonatus' employees. Sonatus is not responsible for any fees associated with unsolicited activities. &nbsp;

Frontend Engineer, New Graduate

Join a high-performing team at Sonatus that’s redefining what cars can do in the era of Software-Defined Vehicles (SDV). At Sonatus, we’re driving the transformation to AI-enabled software-defined vehicles. Traditional automotive software methods can’t keep pace with consumer expectations shaped by the mobile industry—where features evolve rapidly, update seamlessly, and improve continuously. That’s why leading OEMs trust Sonatus to accelerate this shift. Our technology is already in production across more than 5 million vehicles on the road today and rapidly expanding. Headquartered in Sunnyvale, CA, with 250+ employees worldwide, Sonatus combines the agility of a fast-growing company with the scale and impact of an established partner. Backed by strong funding and proven by global deployment, we’re solving some of the most interesting and complex challenges in the industry. Join us and help redefine what’s possible as we shape the future of mobility.As our Hardware Prototyping &amp; Lab Lead, you will be the cornerstone of the physical engineering environment where the future of Software-Defined Vehicles (SDV) comes to life. While Sonatus is a software-first company, our breakthrough technology requires a world-class hardware foundation to bridge the gap between code and the road. You won't just be managing a lab; you’ll be a critical enabler for our engineering teams, ensuring they have the infrastructure, prototypes, and technical support needed to deploy AI-enabled software into vehicles worldwide. This role offers the unique opportunity to blend administrative leadership with deep hands-on technical execution, managing the transition of high-precision diagnostic tools and gateways from prototype to specialized, low-volume production. Given the highly collaborative and physical nature of our engineering labs, this role is 100% onsite at our Sunnyvale headquarters. You will report directly to our Senior Manager of Hardware Engineering. Highlights &amp; Learning Opportunities: Scale the Future of SDV: Play a hands-on role in supporting prototypes that are redefining automotive architecture and rapid feature evolution. Multi-Disciplinary Impact: Bridge the gap between hardware, software, and QA by collaborating across teams to solve complex integration challenges. Lead Lab Innovation: Take full ownership of procurement and lab infrastructure, evolving our Sunnyvale headquarters into a state-of-the-art hardware development hub. Deepen Technical Mastery: Enhance your expertise in failure analysis, custom harness design, and automation-integrated testing within a Linux-based environment. Roles &amp; Responsibilities Lab Administration &amp; Operations: End-to-End Lab Management: Oversee the organization, inventory, and lifecycle management of all lab equipment, electronic components, and consumable supplies. Infrastructure Excellence: Lead the procurement, installation, and optimization of lab infrastructure to meet evolving engineering needs. Compliance &amp; Maintenance: Coordinate the rigorous calibration, maintenance, and repair schedules for specialized test equipment. Operational Support: Manage the Engineering Hardware Lab Jira ticketing system to prioritize and resolve technical requests efficiently. Prototype Development &amp; Specialized Production: Low-Volume Production Support: Execute programming for critical devices (CPLDs, Flash, EEPROMs) and perform mechanical integration for specialized system builds. Harness Architecture &amp; Design: Translate system-level block diagrams into detailed wiring schematics and harness drawings, including connector selection, pin-out definitions, and wire gauge calculations for power and high-speed data. Functional Validation: Perform comprehensive functional testing and mechanical integration for early-stage prototypes and low-volume production units. Root Cause Analysis: Conduct deep-dive debugging and failure analysis on non-functional units to drive design and manufacturing improvements. Custom Interconnects: Design and fabricate custom cable harnesses and specialized wiring solutions for vehicle integration and diagnostic testing. Automation Synergy: Utilize and interpret code/scripts from QA automation to streamline testing processes within a Linux-based environment. Cross-Functional Collaboration: Engineering Partnership: Act as a key technical collaborator for hardware, software, and QA engineers on complex development tasks. Environment Stewardship: Ensure a safe, orderly, and highly productive hardware lab environment that reflects Sonatus’ high standards. Requirements Proven Expertise: Extensive experience in hardware lab management and technical support, ideally within a fast-paced R&amp;D or development environment. Harness Design Expertise: Proven experience using CAD or specialized wiring tools (e.g., RapidHarness, Visio, or AutoCAD Electrical) to design complex automotive or aerospace cable assemblies. Technical Literacy: Advanced ability to read and interpret complex schematics and high-density PCB layouts. Hands-on Debugging: Expert-level proficiency in electronic test and debug using DMMs, oscilloscopes, and regulated power supplies. Networking Fundamentals: Solid understanding of basic networking concepts, including LANs, subnets, TCP/IP, and automotive interconnect standards (1000baseT1 &amp; CAN). Software Fluency: Familiarity with coding concepts and the ability to navigate Linux environments and read basic scripts. Physical Capability: Ability to lift and move equipment up to 25 pounds. &nbsp; Benefits Offered: Competitive compensation and equity program Health care plan (Medical, Dental &amp; Vision) Flexible and Dependent Care Expense program Retirement plan (401k) Life Insurance (Basic, Voluntary &amp; AD&amp;D) Unlimited paid time off per year, 15 paid holidays Hybrid office work arrangement/flexibility Perk Offerings include: Complimentary lunches, snacks, and beverages during on-site working days Wellness benefit allowances (towards gym membership and fitness programs) Internet reimbursement Computer Accessory Allowance Employee Engagement Offerings: Departmental team building and outings Employee Referral Program Culture/Employee Satisfaction Surveys - Feedback matters! The posted salary range is a general guideline and represents a good faith estimate of what Sonatus ("Company") could reasonably expect to pay for a base salary for this position. The pay offered to a selected candidate will be determined based on factors such as (but not limited to) the scope and responsibilities of the position, the qualifications of the selected candidate, departmental budget availability, geographic location and external market pay for comparable jobs. The Company reserves the right to modify this range in the future, as needed, as market conditions change.Base Salary Pay Range$141,000&mdash;$180,000 USDTo all recruitment agencies: Sonatus, Inc. ("Sonatus") does not accept unsolicited agency resumes. Please do not forward resumes to our careers alias or other Sonatus' employees. Sonatus is not responsible for any fees associated with unsolicited activities. &nbsp;

Hardware Prototyping & Lab Lead

Join a high-performing team at Sonatus that’s redefining what cars can do in the era of Software-Defined Vehicles (SDV). At Sonatus, we’re driving the transformation to AI-enabled software-defined vehicles. Traditional automotive software methods can’t keep pace with consumer expectations shaped by the mobile industry—where features evolve rapidly, update seamlessly, and improve continuously. That’s why leading OEMs trust Sonatus to accelerate this shift. Our technology is already in production across more than 5 million vehicles on the road today and rapidly expanding. Headquartered in Sunnyvale, CA, with 250+ employees worldwide, Sonatus combines the agility of a fast-growing company with the scale and impact of an established partner. Backed by strong funding and proven by global deployment, we’re solving some of the most interesting and complex challenges in the industry. Join us and help redefine what’s possible as we shape the future of mobility.As the Manufacturing &amp; Logistics Manager, you will lead the transition from innovative design to specialized production for Sonatus’ groundbreaking Software-Defined Vehicle (SDV) technologies. You will serve as the essential link between our engineering teams and global Contract Manufacturers (CMs), ensuring that our hardware—including sophisticated vehicle gateways and diagnostic tools—meets the uncompromising quality and reliability standards required by leading OEMs. This role offers a unique opportunity for a generalist to manage the complete product lifecycle within a specialized, low-volume environment.&nbsp; You will have the opportunity to build world-class manufacturing flows, master the complexities of international shipping and global logistics, and play a pivotal role in the future of AI-enabled mobility. You will report to our Senior Manager of Hardware Engineering. Roles &amp; Responsibilities Manage the end-to-end purchasing of all BOM components, including vendor selection and PO issuance to ensure 100% material availability for low-volume production runs. Take ownership of the end-to-end logistics process, managing international shipping, customs documentation, and delivery to global OEM customers. Act as the primary link between engineering and CMs, ensuring hardware platforms meet quality and reliability standards for professional vehicle diagnostic tools. Take ownership of gross margin objectives, managing COGS and manufacturing efficiency to drive hardware profitability. Drive continuous improvement of Key Process Indicators (KPIs) focused on automotive-grade quality and on-time delivery. Define and document manufacturing flows and SOPs specifically for specialized, low-volume automotive electronics environments. Support hands-on implementation of ERP/MRP and PLM systems to ensure seamless data flow from design to global delivery. Provide final approval for technical manufacturing approaches, ensuring all processes meet safety, quality, and regulatory requirements. Requirements Minimum 10 years of progressive experience in manufacturing operations or supply chain management within high-reliability hardware sectors. Proven experience in global component purchasing, with the ability to navigate long-lead-time electronics markets for complex assemblies. Strong understanding of international logistics, including Incoterms, customs compliance, and shipping high-value electronics globally. Extensive track record managing CMs through the NPI (New Product Introduction) phase and into low-to-medium volume production. Hands-on experience implementing or optimizing ERP/MRP and PLM platforms to manage engineering changes and global supply chain data. Superior ability to collaborate across cross-functional teams (Engineering, Sales, Finance) and manage vendor relationships under pressure. Commitment to being 100% onsite at the Sunnyvale, CA headquarters to provide direct oversight of hardware operations and laboratory collaboration. &nbsp; Benefits Offered: Competitive compensation and equity program Health care plan (Medical, Dental &amp; Vision) Flexible and Dependent Care Expense program Retirement plan (401k) Life Insurance (Basic, Voluntary &amp; AD&amp;D) Unlimited paid time off per year, 15 paid holidays Hybrid office work arrangement/flexibility Perk Offerings include: Complimentary lunches, snacks, and beverages during on-site working days Wellness benefit allowances (towards gym membership and fitness programs) Internet reimbursement Computer Accessory Allowance Employee Engagement Offerings: Departmental team building and outings Employee Referral Program Culture/Employee Satisfaction Surveys - Feedback matters! The posted salary range is a general guideline and represents a good faith estimate of what Sonatus ("Company") could reasonably expect to pay for a base salary for this position. The pay offered to a selected candidate will be determined based on factors such as (but not limited to) the scope and responsibilities of the position, the qualifications of the selected candidate, departmental budget availability, geographic location and external market pay for comparable jobs. The Company reserves the right to modify this range in the future, as needed, as market conditions change.Base Salary Pay Range$175,000&mdash;$225,000 USDTo all recruitment agencies: Sonatus, Inc. ("Sonatus") does not accept unsolicited agency resumes. Please do not forward resumes to our careers alias or other Sonatus' employees. Sonatus is not responsible for any fees associated with unsolicited activities. &nbsp;

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