Full-time

Frontend developer

Siip is growing and is therefore looking for a Frontend Developer (Flutter & React / Next.js). Are you the experienced frontend developer who will expand our frontend team? Your focus will be on mobile and web. Together, we build scalable, secure, and reliable software that makes an impact. Interested? Siip would love to meet you!
Deur pand Eekwal 16
Siip is growing and is therefore looking for a Frontend Developer (Flutter & React / Next.js). Are you the experienced frontend developer who will expand our frontend team? Your focus will be on mobile and web. Together, we build scalable, secure, and reliable software that makes an impact. Interested? Siip would love to meet you!
May 30, 2026

March 2026 | Siip Group | Zwolle | Full-time

Siip Group is active in the field of identity wallets across multiple sectors, including football, entertainment, education, transport & logistics, and gaming. To expand our frontend team, we are looking for an experienced Frontend Developer with a focus on mobile and web.  

At Siip Group, we believe in building scalable, secure, and reliable software that makes an impact.
Will you make a significant contribution to products focused on digital identity and security?  


What will you do?

  • Developing high-quality mobile apps with Flutter
  • Building and maintaining web applications with React & Next.js
  • Translating UI/UX designs into scalable frontend solutions
  • Collaborating with backend developers, product owners, and designers
  • Contributing to architecture and performance

What you bring

  • At least 3–5 years of experience as a Frontend Developer
  • Proven experience with Flutter (mobile apps)
  • Strong knowledge of React and Next.js
  • You are familiar with modern frontend principles and apply them, such as state management and API integrations
  • Experience with Git and agile methodologies
  • A proactive mindset and an eye for quality

Nice to have

  • Experience with identity, security, privacy, and/or wallet-like applications
  • Knowledge of CI/CD or testing (unit / e2e)
  • Experience with Design systems

What we offer

  • Projects with social impact.
  • From a position within an informal and professional team at Siip Group in Zwolle. However, hybrid work is also possible.
  • Challenging projects with significant responsibility and room for personal initiative.
  • Plenty of opportunities for personal and professional development.
  • An open, informal culture with direct communication, where quality, development, and collaboration are important.

Our Values


At Siip Group, our values are not just empty words; they guide how we work (together).

That's why we highly value: 

  • Ownership – you take responsibility and make a difference. 
  • Transparency– we communicate honestly and transparently, both internally and with clients. 
  • Flexibility – we adapt to changes and always seek the best solution. 
  • Autonomy – you are given the freedom to shape your work in your own way, utilizing and further developing your talent. 

About Siip Group

Siip Group is an innovative company that provides digital solutions linking rights to a real person, such as access to a concert or a football match. What sets us apart is that we do this with respect for privacy and by giving you control over your own data.   

In recent years, we have formed lasting partnerships with (inter)national clients from various sectors. Together, we work on scalable, digital, and high-quality solutions for diverse applications. 

We do this from a central location in the Zwolle region, specifically from our distinctive and modernized building in Zwolle's city center. Our location is easily and quickly accessible from the A28 and Zwolle Station.  

Interested? Siip would love to meet you!

Send us an email