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Polarium Solna Heltid

Full-Stack Developer

About the job

About the job

We are looking for a Full-Stack Developer to join our Digital Engineering Team. This entails becoming part of a small, dynamic, and fast-paced tech team. As a Full Stack Developer in our team, you will get the opportunity to work with high impact projects within the energy storage domain. The code you implement will be released to hardware and clients throughout the world in a continuous and agile manner.

The Digital Team is responsible for our connected platform, building solutions for energy optimization, asset management, anti-theft, field service and more.

We work with a modern technology stack running in AWS that includes Kubernetes, PostgreSQL, RabbitMQ, AWS IoT, Terraform, GitLab and more.

The position is based at the Polarium HQ in Stockholm, with hybrid remote work possibilities.


  • Define and develop back-end and front-end applications for our digital platform
  • Build solutions with quality, security, usability, and scalability in mind
  • Developing modularized design blocks with re-use capabilities
  • Participate in architectural discussions, process improvements, and define ways of working.
  • Support internal and external stakeholders with expertise within the area

Who are you?

  • You are passionate and pragmatic with a genuine technical interest
  • You are detail-oriented, and you see the whole picture
  • You have a minimum of 3 years’ experience from similar positions
  • Knowledge from agile development
  • You are a team player

Qualifications and experience:

  • Strong backend skillset using python or similar
  • Strong frontend skillset using react.js or similar
  • Experience in developing services in the cloud, preferably AWS
  • Know how to use git and workflows common with GitLab
  • Excellent communication skills, fluent in English, both spoken and written
  • Bonus if you have experience developing mobile applications using react native or similar

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, as We Are One. Your work and mind-set will have a true impact on Polarium’s future success, and we encourage you to Take Charge.

Every day we encourage you to excel, as We think big for a smarter and more sustainable future – let’s do it together!

We offer

  • Generous bonus system
  • Maximized wellness contribution
  • Exercise with our own Wellness Manager during working hours
  • Five extra flexibility days
  • Pension and health insurance
Om företaget
Building a Sustainable Future Together

We are a Swedish company dedicated to providing the best-performing, safe, and sustainable energy storage solutions built on lithium-ion technology. Today, our market-leading solutions are in use on all continents and in all climate zones. We ensure that the flow of energy never stops, while enabling our customers to reduce their energy costs and carbon footprint. 

Do you share our vision for a smart and sustainable future? Join our team!

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