Fullstack Engineer
Summary
Fullstack engineer at a small senior London team building an AI-driven platform for investment teams end-to-end: data-heavy React/TypeScript UIs, Python (FastAPI/Django) REST APIs, multi-tenant PostgreSQL, real-time WebSockets, auth, and LLM-powered features on AWS in a regulated financial context.
In this role, you design and build the product end-to-end, from database to UI, for an AI-driven platform serving investment teams. You work in a small, senior London team with direct leadership access to deliver secure, multi-tenant features and trusted AI-enabled capabilities. You’ll shape data-heavy interfaces, REST APIs and real-time interactions, while ensuring auditability and compliance. This is a hands-on, impact-focused opportunity to influence product direction in a regulated financial context.
Pay / Benefits- competitive compensation
- close collaboration with leadership
- impactful work for leading financial services firms
- collaborative culture
- central London office
- Build data-heavy interfaces in TypeScript and React with role-based access
- Design services and REST APIs in Python (FastAPI/Django) with OpenAPI contracts
- Model data in PostgreSQL including multi-tenant isolation
- Develop event-driven and real-time features via WebSockets
- Implement SSO, OTP, session/JWT auth; integrate with Microsoft 365 and CRMs
- Collaborate with AI/ML team to ship LLM-powered features with provenance and approval flows
- Operate on AWS with CI/CD, observability, and SOC 2 / UK GDPR awareness
- 5+ years of software engineering with full-stack ownership
- Strong TypeScript, React, Python and PostgreSQL
- Auth and access control experience in multi-tenant B2B products
- AWS, CI/CD and containers
- Track record of setting technical direction and leading architecture decisions
- Daily use of AI coding tools and a thoughtful view on their value
- strong ownership and leadership
- cross-functional collaboration
- analytical thinking
- TypeScript
- React
- Python