Backend Engineer – (Nest.js / Node.js) - Berlin Based

Your mission

What You'll Do

• Build and maintain robust backend features and APIs using Nest.js and TypeScript
• Collaborate with product and engineering leads to implement scalable backend services
• Write unit and integration tests, improve test coverage, and support automation best practices
• Contribute to API documentation, schema design, and cross-service contracts
• Own features end‑to‑end—from design and implementation to deployment and monitoring
• Participate in code reviews, pair programming, and team knowledge sharing

Tech Stack You'll Work With

• Backend: Nest.js, Node.js, TypeScript, PostgreSQL, Prisma, Redis
• Frontend: Next.js
• Infrastructure: AWS (EBS, ElastiCache, S3), Docker
• Tools: GitHub, Postman, LLM APIs

Your profile

What We're Looking For

• 4–6 years of backend development experience, including strong experience in Node.js/Nest.js
• Proven ability to build and scale real‑world APIs in production environments
• Experience working at startups or in fast‑paced, iterative teams. Strong understanding of SQL (PostgreSQL), REST API standards, and backend architecture
• Passion for coding complex features and solving product or data‑related challenges
• Ability to write clean, modular, and well‑tested code
• Comfortable working independently and collaboratively across teams
• A builder mindset: you enjoy seeing your code run in production and impact customers

Nice to Have

• Familiarity with message queues (e.g., Kafka, SNS/SQS)
• Prior work on logistics, SaaS, or real‑time tracking systems
• Exposure to Prisma ORM, WebSockets, or event‑driven patterns
• Experience working with LLM‑powered services or backend integrations

Why us?

Impact: You'll work on high‑ownership backend features that directly impact our customers.
Growth: Learn from a deeply technical and experienced teammates.
Culture: Flat, collaborative team where your voice is heard and experimentation is encouraged.
Flexibility: Remote‑friendly role with a high‑trust, async work style.