Senior Fullstack Engineer — AI Platform (Hybrid London)
Summary
Senior Fullstack Engineer at an AI startup in London, owning features end-to-end from ideation to production and improving AI agent capabilities. Core stack is Python/FastAPI on the backend and TypeScript/React on the frontend, plus data integration, in a hybrid role (4 days/week in office).
Capsa AI in London is hiring a Senior Fullstack Engineer to own end-to-end features across the stack. This role offers a hybrid work pattern (in-person 4 days/week) and a high-growth startup environment with multi-technology responsibilities including Python, FastAPI, TS/React, and data integration.
You will own projects from ideation to production, improve the agent capabilities, and maintain high code quality to sustain velocity in a fast-paced startup.