Software Engineer Elixir (m/w/d)
sonnen
Company Overview
Sonnen GmbH, a subsidiary of Shell
Wildpoldsried, Bavaria, Germany
2010
Over 700 employees worldwide (as of 2020) (source: wikipedia.org). Revenue data is not publicly available as the company is private.
What They Do
Sonnen GmbH is a leading company in the field of intelligent lithium iron phosphate (LiFePO4) home storage systems that are safe and sustainable. The products are designed to store excess energy from photovoltaic systems and promote energy independence for users. Key products include the modular sonnenBatterie, available in various sizes, as well as solutions like sonnenCommunity, which allows users to share renewable energy (source: sonnengroup.com). Sonnen has evolved from a battery manufacturer to an energy provider and operates one of the largest virtual power plants in the world, based on home storage systems.
Projects & Track Record
Notable projects by Sonnen include the sonnenCommunity, which connected over 50,000 households by 2020, enabling them to share renewable energy in a decentralized manner. By 2020, over 90,000 sonnenBatterien had been installed worldwide, allowing households to act as "small power plants" (source: sonnengroup.com). The production facilities in San Jose, California, and Atlanta, Georgia, support the U.S. markets and research and development. Sonnen has also partnered with companies like ES Solar and Haas Home Technologies to offer integrated solar battery solutions.
Recent Developments
In the past two years, there have been no major announcements or acquisitions; however, the acquisition by Shell in 2019 was confirmed in July 2023 (source: kfw.de). Sonnen continues to have over 90,000 installations and offers a standard 10-year warranty on its products. The ten-year anniversary celebration in 2020 highlighted the company's achievements, including connecting over 50,000 households and reaching a workforce of 700.
Working There
Sonnen offers a variety of roles in engineering, manufacturing, sales, and energy supply. The workforce has grown from 200 to over 700, indicating increasing demand in technical and expansion-oriented departments (source: wikipedia.org). The company culture fosters innovation and a decentralized team that operates in the rural environment of Bavaria while also acting globally. The headquarters is located in Wildpoldsried, where the core production of 1,000 units per month takes place.
Contact
Last updated on 2025-12-26 | Report an issue
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.
Join sonnen as a Junior Software Engineer in Cairo, Egypt!
Are you a recent university graduate with experience in any functional programming language and a keen interest in learning Elixir? Sonnen is actively seeking ambitious Software Engineers like you to join our cutting-edge IoT cloud platform team in Cairo, Egypt. This entry-level position is ideal for fresh graduates with a Bachelor’s degree in Computer Science from Cairo University or nearby institutions, eager to dive into the world of sustainable energy solutions.
What We Offer
- Elixir Training: Transition your functional programming skills to Elixir with our comprehensive on-the-job training.
- Career Growth: Enhance your technical abilities in a role that evolves with your expertise in energy management technologies.
- Innovative Environment: Become part of our global IoT cloud platform team that manages an extensive network of batteries, EV chargers, and heat pumps worldwide.
Role Focus
- Technological Advancement: You’ll concentrate on advancing energy management through intelligent control of adaptable loads such as EV chargers and heat pumps / ACs.
- Collaborative Teamwork: Collaborate with experienced software engineers, architects, and requirements engineers in our dynamic cloud platform division.
- Impact on Sustainability: Help develop sustainable energy management solutions that are integral to the global shift towards renewable electricity.
Ideal Candidate
- Functional Programming Experience: Proficient in any functional programming language or Ruby with a strong desire to master Elixir.
- Solid Coding Fundamentals: Commitment to robust coding practices and a collaborative approach to innovation.
- Future Vision: Motivated to impact the future of the energy landscape with pioneering solutions.
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About the role
September 1, 2025
Full Time
Company
January 2, 2026
On-site
- Cairo, Egypt
Entry-level
UTC+02:00
Apply now
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