Software Developer, Digital Engineering

Join Polarium Energy Solutions AB in Stockholm as a Software Developer, contributing to innovative energy storage solutions globally.

Stockholm, Sweden  UTC+01:00   On-site   Full Time   251-500   23 days ago

Since our inception in 2015, Polarium has been at the forefront of transforming the energy industry. Our commitment to innovation has led us to unlock the vast potential of energy storage systems, providing a range of intelligent and digital services. We take pride in our ability to meet challenges head-on, which fuels our creation of next-generation premium energy storage products. These products are deployed globally, functioning efficiently across all continents and climates. As a result, we not only power businesses but also optimize energy usage and significantly reduce carbon dioxide emissions, steering us toward a cleaner, sustainable energy future.

At Polarium, change begins with our people. We are committed to fostering a diverse and inclusive workplace that encapsulates creativity, innovation, and more accurately reflects our diverse customer base across the globe. We champion a positive work-life balance, believing it to be the key to effective teamwork and a fulfilling career journey.

We design, develop, and manufacture state-of-the-art energy storage solutions using cutting-edge lithium-ion technology. Our goal is ambitious yet simple: engineer systems that not only store energy but also optimize its use as we transition to more efficient and renewable energy sources worldwide. By joining us, you will collaborate with top-tier engineers, scientists, and developers, all dedicated to paving the way for significant advancements in battery energy storage and optimization systems.

Role Overview

As a Software Developer at Polarium, you will engage in full-cycle software development, from concept to deployment, creating high-quality software that enhances our energy storage solutions. This position allows you to influence both the technological and strategic direction of our services and applications.

We are seeking developers with expertise in both front-end and back-end development.


  • Develop and maintain end-to-end services and applications.
  • Design and implement backend systems, APIs, and comprehensive applications.
  • Create modular design blocks for reuse across various projects.
  • Collaborate on system specifications, architecture, and process enhancements.
  • Develop integrated solutions that encompass either or both front-end and back-end technologies.
  • Provide support and guidance to third-party developers to ensure compliance with our high standards.
  • Engage in preliminary studies for innovative projects and technologies.

Qualifications and experience

  • At least 3 years of experience in software development roles.
  • Proficiency in backend development using Python or similar languages.
  • Proficiency in frontend development, preferably with React.js.
  • Experience with cloud service development, ideally on AWS.
  • Proficient in Git and common workflows on GitLab.
  • Higher education degree in Computer Science or a related field.
  • Excellent command of English, with strong communication skills.
  • Willingness to travel occasionally.

We offer

  • Bonus system
  • Maximized wellness contribution
  • Five extra flexibility days
  • Pension and health insurance

Kindly submit your application through the provided apply button in the advertisement on our careers page, as we are unable to accept any applications via email in compliance with the GDPR regulations.

We look forward to receiving your application!

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About the role

May 02, 2024

Full Time


Oct 30, 2024


Stockholm, Sweden

Mid-Senior level


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