Senior Full Stack Developer React/FastAPI/Django (Frontend-Affinity) (m/f/d)

• Drive frontend improvements – not just fixing bugs but proactively elevating UX and visual quality on a regular cadence.
• Build and own complex full-stack features in our accounting platform.
• Use Claude Code, Cursor, or similar AI engineering tools as your primary development workflow – we are a senior team where everyone writes high-quality code at a high pace, and this is only possible through the use of the latest coding tools. You'll get access to all the subscriptions you need to work efficiently.
• Adapt and extend our Python/FastAPI & Django backend where needed (CRUD-level changes and beyond).
• Contribute to code quality and architecture decisions in a small senior team.

Qualifications

• Professional experience in software development with a proven track record of owning and delivering complex projects.
• Expertise in React to build high-quality, accessible, and production-ready user interfaces.
• A sharp eye for design that ensures layouts and components are implemented with pixel-perfect accuracy.
• Hands-on skill with AI-assisted engineering using tools like Cursor, Claude Code, Codex, or GitHub Copilot. You have already built real things with those tools.
• The ability to work across the stack by independently navigating and extending a Python/FastAPI backend.
• A systems-thinking mindset to map out full features, edge cases, and failure modes before writing any code.
• Fluency in English, while any knowledge of German is a welcome bonus.

Nice To Have

Background in agentic AI systems or LLM-powered products.

Familiarity with B2B fintech, PostgreSQL, or German accounting standards like DATEV.

‍

We welcome applications from people of all backgrounds, genders, and identities.

‍

If you're interested, please send us your CV via [email protected]

We are excited to hear from you!

‍