Backend/Fullstack Developer

Kraków / Zabierzów, Poland

The right candidate will have the opportunity to work across the charging infrastructure stack - from the DC charging controlling software, through integrations with external partners, to our own backend and cloud solutions.


  • Developing applications controlling our chargers - connecting to backend systems and managing the charging sessions
  • Building and extending integrations with 3rd party companies using the open eMobility standards (e.g. OCPP 1.6/2.0)
  • Designing and building backend systems for the management, monitoring and control of chargers
  • Developing side-modules working with our systems - e.g. payments
  • Coordinating your work and timelines with people responsible for other parts of the system (electrical, electronic, UI)
  • [If interested] building the UI for both chargers and our backend systems (we can provide UX knowledge and expertise)


  • Technical or higher technical education related to software development (or equivalent)
  • Experience working with production-ready systems
  • Good knowledge of programming in Python (FastAPI/asyncio/dataclass)
  • Experience working in Linux environments
  • Knowledge of network & communication protocols (ZeroMQ, WebSocket, SSL)
  • Hands-on experience working with databases
  • Ability to work with technical documentation

Nice to have:

  • Knowledge of OCPP (and general eMobility infrastructure and ecosystem)
  • Experience with web technologies
  • Familiarity with cloud environments

We offer:

  • Opportunities to learn new skills and expand your knowledge working with experts in the area
  • Full-time employment (employment contract / mandate contract / b2b)
  • Work in a dynamic, ambitious and rapidly growing technology company, together with an international team from renowned institutes and companies, e.g. CERN, Facebook
  • The opportunity to actively participate in building the Company
  • Participation in the product development process from concept to production
  • Work in the rapidly growing electromobility sector with high market potential

If you are interested, please send your CV to in the title by entering the reference number of the job offer.

Please include the clause in the CV: "I consent to the processing of my personal data for the purposes of the recruitment process in accordance with the Act of August 29, 1997 on the protection of personal data (consolidated text: Journal of Laws of 2002 No. 101, item . 926. as amended). "