to your IT

Data traffic only works with a solid and reliable backend. Agreed? Then count on us for your backend development. Our wide expertise enables tailored solutions, complemented by extensive JAVA consulting and training.

Only a solid partner can build a reliable backend.

More and more companies are choosing C4J for their development. And you can’t blame them: throughout the years, we have proven our worth with state-of-the-art web, mobile and cloud applications. True to Bewire’s way of working, we come up with solutions that are tailored to each client’s specific wishes. Moreover, we complement our wide expertise with extensive JAVA consulting and training. The result: reliable solutions that enable smooth and safe data traffic, time and time again.

You can always count on C4J.

Though C4J focuses on backend development, we also offer broad solutions from a 360° perspective, backed by the knowledge in the whole Bewire group. We can also bring in dedicated specialists for your frontend development, for instance. Furthermore, we make sure you get going with the right software development tools. And we foresee Cloud services that perfectly match your organization’s needs. Whichever solution you need, count on C4J.

C4J - Roeland, happy developer
C4J - Backend code
C4J - Stephanie, happy recruiter
C4J - Office space


Not a techie? Contact us

Coaching on the job

  • Training on the job
  • Coaching of internal employees & external parties
  • Setting up workshop sessions for better knowledge transfer


  • Working in fixed price, time material or project mode
  • Strengthening of an existing team in terms of manpower
  • Adding expert knowledge to an existing team
  • Project Management using market standards


  • Map future architecture to current one
  • Use proven methodologies depending on your projects

Proof of concept

  • Build a small, well scoped application
  • Proof that the technology works
  • Show our expertise


NodeJS Consultant

Houd je ervan om webapplicaties te maken die ondersteuning bieden aan miljoenen gebruikers en biljoenen transacties? Wil je graag werken in een snel veranderende omgeving waarbij jouw technische bagage dagelijks wordt aangevuld met nieuwe kennis? Welkom!


Java Backend Consultant

Ben jij het meesterbrein achter eenvoudige oplossingen voor complexe problemen? Voldoen deze zowel aan de eisen van de klant als die van gebruiker? Werk je graag in een grootschalige, open source omgeving? Ben je een goeroe voor junior developers? Welkom!