freehire launches on Product Hunt on 26 August.

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Senior Backend/Fullstack Developer with Node.js and TypeScript

Summary

Builds and scales a climate-data platform using Node.js/TypeScript, PostgreSQL, and cloud DevOps to provide real-time energy-transition insights.

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.

Tech stack:

  • TypeScript & Node.js (core technologies)
  • PostgreSQL
  • DevOps (AWS+Azure)


  • 5 years of experience in backend development
  • Strong commercial experience with TypeScript and Node.js (key requirement)
  • 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:

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

See also