Senior Backend/Fullstack Developer with Node.js and TypeScript

You will join the development of an advanced digital twin platform for the energy transition, designed to unify energy and climate-related data into a single, comprehensive solution. The platform supports stakeholders involved in energy transformation by providing data-driven insights and decision-making tools. It addresses key challenges such as CO₂ balancing, renewable energy expansion, power grid planning, and municipal heating strategies. Built on a modular and scalable architecture, the solution enables complex analytics and supports real-time insights in a rapidly evolving energy sector.

• 5 years of experience in backend development
• Strong commercial experience with TypeScript and Node.js
• Experience designing and developing scalable backend services and microservices
• Experience with DevOps (AWS, Azure)
• Solid knowledge of PostgreSQL and database design for scalable, high-performance systems
• Good understanding of Docker and Kubernetes
• Experience designing and developing REST and/or gRPC APIs
• Strong communication and problem-solving skills
• Very good command of English

Nice to have:

• Experience using AI tools in day-to-day workflow
• Experience with Golang, Angular, Svelte
• Fluent German

• Design, develop, and maintain scalable backend services using TypeScript/Node.js as the primary technology stack
• Build and optimize PostgreSQL data models and queries
• Develop and maintain APIs using gRPC and REST
• Containerize applications with Docker and manage deployments on Kubernetes (AWS)
• Ensure system scalability, performance, and reliability
• Collaborate with frontend (Angular) and backend (NestJS) teams
• Participate in agile ceremonies, code reviews, and continuous improvement initiatives