Senior Full Stack Engineer

Vanguard is on a mission to work for the long-term financial wellbeing of their clients. As a Senior Full Stack Engineer, you will drive innovation by building scalable full stack solutions across modern web applications, GraphQL enabled APIs, and AWS hosted services to enhance retirement goal planning and personalized financial guidance.

Responsibilities:

• Design, build, and own end‑to‑end full stack solutions supporting Financial Well‑Being and retirement planning experiences at scale
• Develop modern, participant facing web applications alongside scalable backend services architected for cloud and distributed environments
• Translate product vision and complex financial requirements into well architected, secure, and maintainable technical solutions
• Lead technical design and implementation, balancing usability, performance, scalability, and long‑term sustainability
• Integrate with internal platforms and third‑party systems to enable account aggregation, data enrichment, and personalized financial guidance
• Design and deliver AI-enabled features, including conversational and decision support experiences (e.g., AI-powered chat)
• Apply Retrieval‑Augmented Generation (RAG) and related patterns to connect AI capabilities with trusted data sources, APIs, and knowledge bases
• Implement appropriate AI governance and controls, including prompt and data management, access controls, auditability, and alignment with enterprise security, privacy, and responsible AI policies
• Establish monitoring and observability for both traditional and AI‑enabled services to ensure reliability, performance, and continuous improvement
• Own services and features end‑to‑end from design and development through production support and continuous improvement
• Leverage AI‑assisted development tools (e.g., Claude Code, GitHub Copilot) and modern engineering practices to accelerate delivery, improve code quality, and reduce repetitive work
• Partner closely with product managers, designers, and engineers to deliver intuitive, high‑quality experiences with strong UI craftsmanship
• Contribute to a strong engineering culture through mentoring, design, and code reviews, and raising the overall technical bar