Firmware Developer
Energize your career.
We believe an inclusive work environment is what will boost our employees’ success. An open mindset is what charges our innovation and creativity. We believe that there’s always one more thing to learn, one new thing to invent, and one more product to develop to make energy systems around the world greener and more efficient. Come join our team and get the opportunity to engineer the future!
About the job
Polarium is excited to welcome a Firmware Developer to be part of our product development firmware team, being accountable for firmware deliverables for R&D products and maintaining embedded firmware for Polarium’s products and systems. The position is based in Stockholm or Sundsvall, and you will directly contribute to the direction and strategies of the Firmware team.
Responsibilities:
- Develop embedded FW with focus on batteries, power systems and connected solutions
- Participate in product development projects
- Develop modularized design blocks with re-use capabilities
- Support internal and external stakeholders with expertise within the area
We are looking for a self-motivated, detail-oriented person with a capability to see the whole picture. You have excellent technical skills and constantly seek new knowledge within your area of expertise. You have experience from firmware development or similar. We also believe you have hands-on experience from agile development and enjoy working in fast growing company.
Qualification and experience:
- Experience from C and C++
- Experience from developing functional safety critical FW
- Experience using agile applications such as Jira, GIT, SVN and test suites
- Bachelor or Master in relevant area
- Fluent in English, both spoken and written
- Swedish work permit
What’s in it for you?
We offer a challenging position in an open, friendly international environment where we help each other to develop and create value. Your work will have a true impact on Polarium’s future success. We also offer a competitive bonus system and a high wellness contribution.
We’ve enabled endless energy since 2015.
Our frontier tech in energy storage systems has reached all over the world and transformed the renewable energy industry. We’re one of Europe’s fastest growing companies with 700+ employees located in over 4 continents and counting. Our valuable diversity, creativity and top-class engineering is the code we use to unlock the most complex sustainability problems in energy.
Plug into Polarium.
- Department
- Research & Development
- Locations
- Stockholm
- Remote status
- Hybrid Remote
- Employment type
- Full-time

Stockholm
Multi-cultural Workplace with an Entrepreneurial Spirit
We are a fast-growing multicultural company, headquartered in Stockholm, with employees and customers all over the world. Our employees are our number one asset. We have an open and dynamic culture where everybody can make a difference and contribute to the success of the company.
About Polarium
Since 2015, we’ve grown to more than 750 employees worldwide. We have doubled our sales every year. Our strategy is simply to offer the products that best solve our customers' challenges. This is possible thanks to our patented cutting-edge technology developed at our head office in Kista.
Firmware Developer
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