Software Engineer Elixir for Virtual Power Plant (f/m/d)


Berlin, BE, DE

Stellen-ID:  3877

At the earliest date possible we are looking for support for our #teamsonnen

Clean and affordable energy for all is one of the greatest challenges of our time. Sonnen has been committed to this mission since 2010 and is now represented in Europe, the USA and Australia with over 1,000 team members globally. In Germany, our offices are located in the beautiful Wildpoldsried (Allgäu) and the vibrating heart of Berlin Kreuzberg.

At sonnen, we are building the energy system of the future. To this end, we are developing new technologies and business models that have not existed before. Whether intelligent power storage, virtual power plants or digital services - we set the trends of a new energy world. That means, among other things, the inexpensive production and storage of renewable energy and the intelligent networking of producers and consumers. sonnen thereby gives people around the world the opportunity to become independent of fossil fuels and conventional energy supplier.

We are growing steadily and are looking for people who want to join us in our vision of clean and affordable energy for all while making a positive impact on climate change.

Our Virtual Power Plant is a one-of-a-kind platform to provide grid services with sonnenBatterie-systems. By connecting household batteries to our VPP, sonnen allows its customers to participate in ancillary services such as frequency control and demand response, further enabling the renewable energy revolution.


What you will do to help drive energy transition:


  • Contribute to our distributed Virtual Power Plant
  • Design solutions for data ingestion, real-time processing, and persistence
  • Improve the scalability and fault-tolerance of our systems
  • Implement protocols, backend services and client features


What you will need for that journey:


  • Experience with Elixir/Erlang or motivation to learn it. We hire at all experience levels.
  • Experience with another functional programming language (e.g. Clojure, OCaml, Haskell, or Scala), Python or Rust are a plus.
  • Interest in running distributed systems reliable at scale.
  • A solid knowledge of (distributed) databases.
  • Being comfortable with Linux / Unix.
  • Familiarity with Virtualization and Containarization.
  • Fluency in English. German is a plus.

What you can expect at sonnen:

  • An atmosphere of openness, tolerance and mutual respect, where innovation is expected and encouraged
  • The option of working full- or part-time for every position
  • 30-32 days annual vacation with increasing team membership
  • Leasing of company (e-)bikes with up to 40% discount
  • Flexible working hours and option working mobile
  • Mental health and wellbeing offering for you and your family members
  • Free German, English as well as online yoga and body art courses
  • Soft drinks, fruits and cereals in our offices
  • Use of sports memberships (EGYM Wellpass, only €29.75/month) and discounts for other services and products 
  • Employee discount on our electricity tariff
  • Regular team and company events
  • We love dogs! You too? Feel free to bring your fellow friend to our offices


You feel we are a match? Apply now and help us to shape the energy transition together. We look forward to welcoming you to #teamsonnen!

sonnen - energy is yours!

Stellensegment: Linux, Unix, Virtualization, Developer, Technology