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Senior AI Engineer
American Express. Design, build, and ship LLM-powered and agentic product features that change how customers manage their finances.
Core Competencies
Role fitCore Competencies
Use this summary to align your resume positioning with the role.
Demonstrates expertise in designing and implementing LLM-powered systems and agentic AI features, with a strong focus on production-grade reliability, customer outcomes, and compliance in regulated environments. Proficient in modern development workflows and cloud infrastructure, ensuring high-quality, scalable solutions.
Highest-signal resume keywords
LLM DevelopmentAgentic AI SystemsProduction-Grade RAG PipelinesCloud Infrastructure (AWS/GCP)Software Engineering (5+ Years)
ATS Keywords
Tailor your resumeApplicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard Skills
PythonGoTypeScriptAPIsData PipelinesKubernetesRESTGRPCKafkaSchema Validation
Soft Skills
Strong Sense of OwnershipCustomer OrientationComfort with Ambiguity
Tools & Technologies
LLM ServicesAgent Orchestration FrameworksEvaluation and Monitoring ToolingVector StorageState Management
Industry Keywords
FintechRegulated IndustriesAI-Powered SystemsAgentic PatternsOpen-Source Contributions
Tech Stack
Tools & technologiesAWSCloudGoogle Cloud PlatformGRPCKafkaKubernetesPythonTypeScriptGo
About the role
Key responsibilities & impact- Design, build, and ship LLM-powered and agentic product features that change how customers manage their finances.
- Build agentic AI systems that reason over context, invoke tools, take real actions, and recover gracefully from failure.
- Architect and implement production-grade RAG pipelines over sensitive financial data, with strict requirements for correctness, auditability, and safety.
- Contribute to shared AI infrastructure, including LLM services, agent orchestration frameworks, and evaluation and monitoring tooling, that scales agentic development across Amex Technology.
- Own production systems, including reliability, latency, cost, and failure modes.
- Work closely with product and design partners, focusing on customer outcomes.
- Use technologies including Python, Go, TypeScript, AWS and/or GCP, Kubernetes, REST, gRPC, Kafka, LLMs, agent orchestration, retrieval-augmented generation, vector storage, evaluation, schema validation, and state management.
Requirements
What you’ll need- 5+ years of software engineering experience, including meaningful production experience with LLMs or applied ML systems.
- A track record of shipping AI-powered or agentic systems that real users depend on.
- Strong engineering fundamentals across backend systems, APIs, data pipelines, and cloud infrastructure.
- Hands-on experience with modern LLM tooling and agentic patterns and architectures.
- Fluency with AI-assisted and agentic development workflows.
- Strong sense of ownership and sound technical judgment.
- Comfort operating with ambiguity and turning it into shipped reliable product.
- A strong product mindset and customer orientation.
- Employment eligibility to work with American Express in the UK is required; the company will not pursue visa sponsorship for these positions.
- Preferred: Experience building agentic systems in fintech or other regulated industries.
- Preferred: Experience as a founding engineer or early technical contributor in high-growth environments.
- Preferred: Demonstrated ability to ship technically complex systems in regulated contexts that customers actively rely on.
- Preferred: Meaningful open-source contributions, particularly in AI or developer tooling.
Benefits
Comp & perks- Competitive base salaries
- Bonus incentives
- Support for financial well-being and retirement
- Comprehensive medical, dental, vision, life insurance, and disability benefits (depending on location)
- Flexible working model with hybrid, onsite or virtual arrangements depending on role and business need
- Generous paid parental leave policies (depending on your location)
- Free access to global on-site wellness centers staffed with nurses and doctors (depending on location)
- Free and confidential counseling support through our Healthy Minds program
- Career development and training opportunities