Development & Testing






This is what you'll work on





Building and testing user-friendly applications, we make sure ideas turn into impactful solutions. We help clients achieve their business goals – delivering excellence every step of the way.  


Through

  • agile, tailored software development 

  • quality assurance and performance testing 
  • and user-friendly applications

we transform challenges into lasting success.







Would you love to be part of this team as

>> UX/UI Designer?
If user experience, design and keeping up with the latest trends are your jam – you might be the right fit. You’ll collaborate with other teams to deliver solutions that meet our standards – and exceed our clients' expectations.

>> Software Developer?
If writing clean code, solving complex problems and working in a team spark your energy – this might be your thing. You’ll collaborate across teams to build reliable, scalable software that truly makes a difference for our clients.

>> Software Architect?
If you love seeing the big picture and shaping solid technical foundations – this could be the role for you. You’ll work closely with teams to design scalable, future-ready solutions that align with our vision and exceed client needs.

>> a Tester?
You know a bug when you see one. With your attention to detail, identifying and documenting defects and imperfections is a breeze. Join this team if you love staying in the loop on the latest software development life cycles, too. That’s who we’re looking for.



Take a look at our latest standout hiring campaign 



Mysteria is Sopra Steria’s latest Development & Testing hiring campaign

This multi-level challenge is designed for developers and creative minds who love solving 

puzzles and thinking outside the box. It’s not just a test of skill; it’s a glimpse into the 

kind of curious and ambitious minds that thrive here.

If this is your kind of challenge, look no further!




Whitepaper Cover
Whitepaper

Mysteria Masters: how to think and work like a developer

"Mysteria Masters: how to think and work like a developer" reveals the mindset behind effective development work, inspired by the logic and curiosity at the heart of our Mysteria game. Through insights from five Sopra Steria experts, it shows how clear thinking, shared responsibility and solid engineering habits shape real projects and reliable results. Step into the world behind Mysteria and explore what it truly means to think like a developer.

Meet the Mysteria Masters


What do our colleagues think?


Amandine Van Grunderbeeck, Full Stack Developer