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At TechBiz Global , we are providing recruitment service to our TOP clients from our portfolio. We are currently looking for a Business Development Executive to join one of our clients ' team. If you're looking for an exciting opportunity to grow in a innovative environment, this could be the perfect fit for you. About the Role You will take ownership of our backend architecture, work closely with the frontend team on API integration, and help migrate legacy C#/.NET code to a modern Node.js stack. This is a long-term engagement with room to grow as the platform scales. 3+ years of backend development experience Strong proficiency in NestJS and TypeScript Solid understanding of RESTful API design and Clean Architecture Experience with PostgreSQL and ORM tools (TypeORM or Prisma) Familiarity with Docker and containerized deployments Fluent written and spoken English (for technical documentation and async communication) Core Requirements Design and build scalable backend architecture using NestJS and TypeScript Database design and optimization with PostgreSQL + TypeORM / Prisma Implement RESTful APIs, JWT authentication, CQRS, and Clean Architecture principles Integrate Firebase Auth and push notifications Set up and manage MinIO / AWS S3 file storage Containerization and deployment management using Docker Collaborate with frontend team on API integration Migrate legacy C#/.NET codebase to Node.js Write unit and integration tests; participate in code reviews Tech Stack Backend: Node.js , NestJS, TypeScript, TypeORM / Prisma Database: PostgreSQL, Redis DevOps: Docker, Docker Compose, CI/CD (GitHub Actions / GitLab CI) Cloud: Firebase, MinIO / AWS S3 Testing: Jest, Supertest Version Control: Git, GitHub / GitLab Nice to Have Ability to read and understand C#/.NET code Experience with DDD, Microservices, GraphQL, or Event-driven architecture Redis caching experience i18n / multi-language system implementation Legacy codebase refactoring experience What We Offer - Long-term collaboration with a growing startup - Work with modern technologies and best engineering practices - Dynamic and innovative technical team - Performance-based salary growth - Future equity potential Find Jobs in Germany on Arbeitnow
