At American Express, we know that with the right backing, people and businesses have the power to progress in incredible ways. Whether we’re supporting our customers’ financial confidence to move ahead, taking commerce to new heights, or encouraging people to explore the world, our colleagues are constantly striving to uphold our powerful backing promise to our customers and each other every day. 
 
These beliefs have been our North Star for 170 years as our business transformed – from helping evacuate travelers during World Wars, to ensuring the safety of our customers’ funds during the Great Depression in the U.S., to creating the Shop Small® movement to help small businesses recover from the Financial Crisis, to providing aid to communities impacted by many natural disasters and so much more.  
 
For generations, the key to our success has been the determination and resilience of our American Express colleagues. Now, as a globally integrated payments company, we work together to provide customers with access to products, insights and world-class experiences that enrich lives and build business success. Join us and let’s lead the way together. 
 
Check out the recent awards we’re proud of: 
•	Human Rights Campaign Corporate Equality Index Score of 100% - 2021
•	FORTUNE 100 Best Companies to Work For - 2021
•	FORTUNE 100 Best Companies to Work For - 2020
•	FORTUNE World’s Most Admired Companies - 2020
•	FORTUNE 100 Best Workplaces for Women – 2020
•	FORTUNE 100 Best Workplaces for Diversity - 2019
 
Learn more about us at: 
https://www.americanexpress.com/
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https://twitter.com/americanexpress
https://www.youtube.com/user/AmericanExpress

See our community guidelines at: https://about.americanexpress.com/Community-Guidelines/

If you have a customer service issue or question, please visit www.americanexpress.com/contactus

express

Software Engineering Intern

Senior Software Engineer - Java - Global Advertising and Brand Marketing

At American Express, our culture is built on a 175-year history of innovation, shared values and Leadership Behaviors, and an unwavering commitment to back our customers, communities, and colleagues. From delivering differentiated products to providing world-class customer service, we operate with a strong risk mindset, ensuring we continue to uphold our brand promise of trust, security, and service. As part of Team Amex, you'll experience this powerful backing with comprehensive support for your holistic well-being and many opportunities to learn new skills, develop as a leader, and grow your career. Here, your voice and ideas matter, your work makes an impact, and together, you will help us define the future of American Express. How will you make an impact in this role? Joining Amex Tech means discovering and shaping your contribution to something big. Here, you can work alongside talented tech teams and build a unique career with the Powerful Backing of American Express. With a range of opportunities to work with the latest technologies, and a commitment to back the broader engineering community through open source, our mission is to power your success. Because Amex Tech is powered by our technology, our culture, and our colleagues. We are looking for an experienced and highly motivated Staff Engineer to join our dynamic, self-led engineering team. In this role, you will provide technical leadership across multiple teams and domains, influencing architecture, mentoring engineers, and ensuring the delivery of scalable, high-quality systems that power our real-time expense management platform. This is a high-impact role suited for individuals who thrive on cross-functional collaboration, are comfortable with ambiguity, and can drive technical excellence at scale.

Staff-Software Engineer - Global Commercial Services

At American Express, our culture is built on a 175-year history of innovation, shared values and Leadership Behaviors, and an unwavering commitment to back our customers, communities, and colleagues. From delivering differentiated products to providing world-class customer service, we operate with a strong risk mindset, ensuring we continue to uphold our brand promise of trust, security, and service. As part of Team Amex, you'll experience this powerful backing with comprehensive support for your holistic well-being and many opportunities to learn new skills, develop as a leader, and grow your career. Here, your voice and ideas matter, your work makes an impact, and together, you will help us define the future of American Express. Joining Amex Tech means discovering and shaping your contribution to something big. Here, you can work alongside talented tech teams and build a unique career with the Powerful Backing of American Express. With a range of opportunities to work with the latest technologies, and a commitment to back the broader engineering community through open source, our mission is to power your success. Because Amex Tech is powered by our technology, our culture, and our colleagues. The Technology organization enables and accelerates the company’s growth strategies, delivering global capabilities and services in support of Amex’s customers and colleagues, while maintaining 24/7 servicing and availability to ensure an uninterrupted, high-quality customer experience. Technology provides the foundation for everything we do in the company while driving differentiation through building and leveraging innovative technology and data insights. At American Express, AI is reshaping the future of commerce and redefining the experiences our commercial customers and card members expect. Within Amex Technology, we are building platforms, products, and governance that enable agentic AI systems to operate responsibly and at scale across the enterprise. Our focus is on agentic AI development: designing intelligent, adaptive systems that can plan, reason, and act across complex workflows with appropriate levels of autonomy. These systems power autonomous workflows, decision support, and customer-facing experiences—while meeting the high standards for security, explainability, reliability, and compliance required in financial services. We partner closely with product, design, and business teams to deliver agentic capabilities that reduce operational friction, improve decision-making, and transform how customers interact, transact, and grow. The Role: As a Senior Staff Software Engineer – Agentic AI, you will operate as a senior individual contributor within Amex Technology, helping define how agentic AI systems are designed, built, and operated across the company. You will work at the intersection of agentic system architecture and hands-on execution: designing core frameworks, writing production code, reviewing critical designs, and guiding teams through complex technical decisions. This role does not include people management; your impact comes from technical leadership, sound judgment, and the ability to turn ambiguity into reliable, scalable agentic systems. You will work closely with Product and UX partners to shape a shared vision for agentic AI experiences. While product teams own prioritization, Staff engineers are expected to actively influence what gets built and how agentic systems come together across teams. This is an individual contributor, hands-on, deeply technical role with broad architectural ownership and high organizational impact; however, as the team grows, you will take on increasing responsibility for technical leadership and people development within the agentic AI space. Mentoring, developing and managing direct reports may be in scope for some of our opportunities. What You’ll Do: * Drive technical direction for agentic AI initiatives, influencing architecture patterns, autonomy boundaries, and system design. * Design, build, and operate production-grade agentic AI systems used across multiple products. * Own and evolve shared agentic AI capabilities, including: * Agent frameworks and orchestration layers * Planning, tool use, and memory strategies * Retrieval and grounding (RAG) pipelines * LLM infrastructure, inference, and model gateways * Evaluation, observability, and safety tooling for autonomous systems * Lead technical design reviews and help teams navigate tradeoffs involving autonomy, safety, reliability, scalability, and cost. * Partner across teams to deliver complex, cross-cutting agentic AI initiatives from concept to production. * Evaluate emerging models, techniques, and agentic patterns and translate them into practical, enterprise-ready improvements. * Mentor senior engineers and raise the technical bar for agentic AI development through example and influence. Technical Environment: We don’t hire to a narrow checklist, but candidates should be comfortable operating in a modern, enterprise-scale engineering environment with a strong emphasis on agentic AI. Core engineering stack: * Languages: Python, Go, TypeScript * APIs and RPC: REST, gRPC (and in some areas tRPC) * Cloud and infrastructure: AWS and/or GCP, Kubernetes * Distributed systems: event-driven architectures, including Kafka * Orchestration Frameworks: LangGraph, LangChain, AirFlow, etc Agentic AI and ML: * Integration of commercial and open-source LLMs into agentic workflows * Agent and orchestration frameworks such as LangChain, LlamaIndex, Semantic Kernel, or CrewAI, with strong judgment about when to use frameworks versus building lighter-weight primitives * Model-level work using PyTorch and the Hugging Face ecosystem (embeddings, fine-tuning, inference tooling), with some exposure to TensorFlow * Strong schema, validation, and state management practices using tools such as Pydantic (Python) and Zod (TypeScript) Across all systems, we emphasize evaluation, observability, safety, and reliability, reflecting the responsibility of deploying autonomous AI in a regulated, customer-facing environment. What We’re Looking For: * 12+ years of experience building large-scale distributed systems + strong experience with LLM systems, agentic workflows or advanced ML infrastructure * Proven ownership of complex, cross-cutting agentic systems spanning multiple teams or products. * Strong engineering fundamentals across backend systems, APIs, data pipelines, and cloud infrastructure. * Deep experience across the agentic AI stack, including planning, tool use, memory, and evaluation. * Fluency with AI-assisted and agentic development workflows. * Comfort operating in ambiguous problem spaces and translating them into shipped, reliable autonomous systems. * Ability to influence technical direction and align teams without formal authority. * Experience in workflow engines, async processing, queues, and streaming systems. Preferred Qualifications: * Experience building agentic systems in fintech or other regulated industries. * Experience as a founding engineer or early technical leader in AI-driven products. * Demonstrated success delivering technically complex autonomous systems that customers actively rely on. * Meaningful contributions to open-source AI or agentic frameworks. * Familiarity with fine-tuning, model optimization and inference pipelines is a plus.

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