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.NET developer with focus on backend

If you have solid knowledge and experience in the field of security as well as a strong driving force and willingness to continue to develop, this is the place to be!
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We are growing! We are looking for an experienced .NET developer with a great interest in cyber security to our development team.

The Truesec Security Team

The Truesec expert team has a strong drive to deliver top-notch solutions to our customers. You will work together with ambitious colleagues, who are at the forefront of new technology development. Through our shared passion and expertise, we influence and make an impact of the development in the IT sector. Both on a regional and international level. An important mission, that we are extremely proud of!

Together, the team develops advanced hacking and security tools, effective methods and performs consultancy assignments. We work with government agencies, organizations and leading companies.

About Truesec

Truesec is an IT security company with world-leading expertise in cybersecurity, secure infrastructure and development. We have since 2005 built a team consisting of the foremost experts in each area. Over time, we have created a strong reputation internationally and today we have assignments all over the world.  Be part of our journey to make an impact on the IT industry, challenge and develop ourselves as individuals, and work together for a safer world. Do you want to join in?

Grow your career and passion

As a .NET developer at Truesec, you will be part of a unique group of security specialists. We offer great opportunities to develop but also encourage own initiatives. If you have solid knowledge and experience in the field of security as well as a strong driving force and willingness to continue to develop, this is the place to be!

Technical Skills

  • Long-term experience as a developer in .NET / C#
  • High interest in quality, performance and availability requirements
  • High interest in IT security (and want to learn even more)
  • Work with Kanban or equivalent
  • University degree, university education in computer science, computer science or equivalent
  • Legal and unpunished, we work with SUA-rated assignments and perform regular checks on our staff

Main task

Have a decisive role in our continued expansion in secure development and regional in Malmö, Stockholm or Karlskrona.

Other merits

  • Applications in crypto / security
  • .NET Framework / .NET Core
  • JavaScript / React
  • Microsoft Azure
  • Docker
  • Microservices architecture

Do you want to make a difference?

The role “.NET Developer” is based in Malmö, Stockholm or Karlskrona.


Responsible for this recruitment is Stefan Hagman, CEO. If you have questions send him an email or give him a call +46 709 18 30 25. 

Where can you find us?

Our office in Stockholm is centrally located at Oxtorgsgränd 2. The nearest subway station is Hötorget. The office in Malmö is centrally located on Torgatan 4 near Gustav Adolfs Torg and you can find our office in Karlskrona on Drottninggatan 54.


We usually respond within three days

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

Torggatan 4
211 40 Malmö Directions View page


Oxtorgsgränd 2
111 57 Stockholm Directions hello@truesec.se +46 8 10 00 10 View page


Drottninggatan 54
371 33 Karlskrona Directions View page

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