We are looking for a Senior Fullstack Engineer with deep expertise in React/TypeScript to join a diverse, product‑minded team that values collaboration, impact, and continuous learning.
We're a distributed engineering team working across Europe (within +/- 1 hour of CET); topi is headquartered in Berlin. Engineers are expected to be comfortable navigating the entire stack (both Frontend and Backend).
In this role, you won't just be "flipping a switch" on the frontend; Your center of gravity is the React/TypeScript frontend , UI architecture, state, performance, polish, but you'll move into the Go backend whenever the feature requires it. This is not a frontend‑only role: there will be regular backend work, and a clear interest in growing into our Go stack is essential. This is a role for an engineer who lives in the frontend but enjoys reaching across the stack. Build, scale, and maintain modern web applications where the heavy lifting sits in our React/TypeScript frontend, with the willingness to ship in Go on the backend whenever a feature calls for it.
Bridge the Gap:
Design and implement frontend architectures that integrate seamlessly with clean Go APIs, and contribute to those APIs when the feature requires it.
Architect for Scale: Maintain high standards for code quality and performance across the entire stack, from frontend component libraries to backend microservices.
Work closely with Product and Design to turn ambiguous requirements into polished features.
Agentic Engineering Mindset: You treat AI coding agents (Claude Code, Codex, and the like) as real collaborators, not autocomplete. You own every line that ships under your name, whether you typed it or an agent did. Experience: at least 6+ years of professional software engineering experience in a production environment.
The Frontend: Deep fluency in React/TypeScript. Redux Toolkit, Styled Components, Storybook) and you care deeply about quality, ensuring your features are backed by solid testing frame
📌 Senior Full Stack Engineer (Madrid)
🏢 Topi
📍 Madrid
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