Senior Fullstack Developer optimizing heating systems for a green-tech startup in Berlin. Collaborating with cross-functional teams to drive the energy transition and reduce emissions.
Responsibilities
Collaborate with your team to understand underlying problems and requirements.
Translate requirements into viable, pragmatic software designs.
Contribute to team planning by helping define tasks, priorities, and timelines.
Write software — implement end-to-end, from database models to frontend.
Requirements
Solid educational background — ideally a degree in Computer Science or a related field.
5+ years of professional experience in software development.
Strong experience across frontend and backend — especially with TypeScript, Next.js, and SQL.
Familiarity with Python, Nest.js, or systems engineering is a plus.
Ability to write high-quality, production-ready code and concise, well-designed APIs.
Strong communication and collaboration skills; able to take responsibility and work closely with other engineers.
Independent, structured working style.
Fluent in English.
Benefits
Employee perks such as Urban Sports Club or Become1 membership.
Flexible working hours and remote work — continue working from home after the pandemic.
Continuous learning through on-the-job challenges, an open feedback culture, and supported professional development.
Real impact — contribute directly to the energy transition and help fight climate change every day.
Team appreciation — regular team events are an essential part of our culture.
Work with one of the best teams Berlin has to offer — and possibly beyond.
Job title
Senior Fullstack Developer, Optimization Team – Green-Tech
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