Senior Software Engineer - Backend

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Why Lifesum? 

Here at Lifesum, action speaks louder than words, and it's our passion that brings us all together to a force to be reckoned with! We support each other and trust that everyone is a master of their field and that you will suggest, champion, and lead when you join us. 

We constantly strive to be an employer that provides equal opportunities and be a workplace where each individual can contribute and realize their professional potential. By working actively with embracing our diversity, we can enrich every discussion and decision at Lifesum and bring our purpose to life. It's a great journey we have started together, and work actively with.  Our goal is to make sure we are an inclusive workplace for all, and that everyone who works at Lifesum feels good about working here. 

What we do at Lifesum

We are improving lives through better eating, and we are doing this through software that is highly personalized for our user's needs. By tapping into mobile sensor technology and combining it with a passion for design and applied psychology, we create a delightful user experience to help people reach their goals! 

Including more than 20 nationalities, we enjoy a vibrant mix of cultures, world views, and working styles, and it's these different perspectives that make sure we're solving the right problems. With over 50 million registered users worldwide, we need to grow our amazing teams with more brilliant people to keep up with the demand! 

About the role

We are looking to take a step up with our platform and move towards Microservices and event-driven architecture. To ensure that this is done as well as possible we are looking for two Senior Software Engineers to join our Backend team. In this position, you will have great opportunities to work together with your colleagues and build something truly amazing. You will be a big part of technical discussions and decision-making to ensure that we build something that lasts for the long run. 

Responsibilities and what you will do 

The Platform team is responsible for the development and maintenance of the Lifesum backend as well as integrations with third-party systems and partners. They are building REST APIs for web and mobile teams and make sure that we have a solid platform that works 24/7. As a Senior Software Engineer in the Backend team you will: 

  • Write and review high-quality code with the unit- and integration tests as well as working with legacy code and improve it without big bang rewrites
  • Implement well documented REST APIs for our Android, iOS, and Web teams
  • Drive the best engineering practices within your team and share your knowledge to level up other team members
  • Collaborate with other engineers, product managers, QA to identify and tackle challenging problems in our platform

Are you the one we're looking for?  

To be successful in this position we believe that you have 

  • 8+ years of experience in software development, preferably in backend development
  • Worked with Legacy code and improved it without big bang rewrites
  • Expertise in Python. If you have experience in one or more backend languages such as  Golang, java, c# or similar it's a plus
  • Have built a multitude of REST APIs and maintained multiple versions of mobile clients

We would love it if you have experience in building distributed systems and microservices as well as have worked with one or more of the major cloud providers such as AWS, GCP, or Azure that is a huge plus. If you on top of this have experience with Test-Driven development, Integration testing as well as have worked with Docker and containerization, don’t hesitate to apply because we really want to talk to you. 

If you think this sounds exciting, we'd love to hear from you and get to know you. Send us your resume right away, tell us why you are interested in this particular position and why Lifesum feels like the right place for you. Everyone is welcome; please apply.

Additional information

  • Remote status

    Flexible remote

Or, know someone who would be a perfect fit? Let them know!


Valhallavägen 117H
115 31 Stockholm Directions View page

Do you want to join our mission?

Our Lifesum family comes from all parts of the globe and we’ve come together in Stockholm and Los Angeles. We’re more than 25 nationalities that are working together with a joint mission to make an impact in people’s lives by making it easier to live a healthier life!

Already working at Lifesum?

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