Senior Full-Stack Engineer – TypeScript, React, Node (German-speaking)

Responsibilities

• You are responsible for both the frontend and backend of our platform.
• You build the UI that our users see every day, and the services that process millions of generation jobs in the background.
• Architecture and implementation of our frontend using React, Next.js – state management, performance, component system.
• Backend services with Node.js and Nest.js – APIs, authentication, job queues, webhooks.
• Data model and performance of our PostgreSQL database.
• Containerization and deployment via Docker and Kubernetes.
• Integration of the ML/agent pipelines from our AI engineers into the platform UX.
• Code reviews and close collaboration with the founding team on architectural decisions.

Requirements

• Several years of professional experience as a full‑stack engineer with product responsibility in production.
• Deep knowledge of TypeScript, React/Next.js, and Node.js/Nest.js.
• Experience with PostgreSQL, including query optimization.
• Confident with Docker; basic understanding of Kubernetes.
• German C2 and English C1.
• Builder mentality: you deliver production software, not just prototypes.
• Plus: hands‑on experience with Claude Code, Codex, or Cursor in day‑to‑day work.
• Experience developing custom commands, sub‑agents, or MCP servers.
• Experience with event‑driven architectures and queues (BullMQ, Temporal, SQS).
• Background in B2B SaaS or creative tooling.
• Experience with Stripe, Auth0, Clerk, or similar.