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

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 WithBackend: 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 For4–6 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 HaveFamiliarity 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