Available for new projects

Software that works for you, not the other way around.

Reliable web platforms and cross-platform mobile applications. I solve complex technical challenges so you can focus on your business.

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Services

Reliable software solutions for your business.

Web applications

Custom websites and platforms built for performance. I focus on reliability, speed, and making sure your site works perfectly on all devices.

Mobile applications

High-quality apps for iPhone and Android. I build efficient applications that provide a great experience for your users.

Support & maintenance

I help maintain and improve your existing software. I fix bugs, speed up slow systems, and keep everything running securely.

Technical standards.

Software development based on engineering principles. Prioritizing security, maintainability, and system integrity.

Scalability & security

Secure architecture designed to handle increased load while maintaining data integrity and system resilience.

Maintainability

Strict adherence to coding standards facilitates future updates and reduces technical debt.

Performance

Code optimized for execution speed and resource efficiency, improving user experience and search ranking.

Selected work

Real-world solutions solving real business problems.

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Client feedback

Direct feedback from international clients on reliability, speed, and technical expertise.

"Sjoerd is professional, competent and accommodating. I felt as though I was in safe hands with someone who is passionate about what they do. It wasn't just about the work but the designing of how to execute the work which allowed us both to go at a steady pace."

Valerie

United Kingdom

Android app development

"After speaking to several different developers, we were lucky enough to find Sjoerd. He was incredibly responsive and did a brilliant job of understanding our needs. He recognised certain set up issues that were causing us problems and solved them quickly and effectively."

Michael

Japan

Repeat client • maintenance

"The developer fixed complex payment bugs and did a phenomenal job. Just a very stellar developer!! Thanks for the great communication and the great work you do!"

Francisco

United States

Web applications

Ready to upgrade your digital presence?

Whether you need a new app, a high-performance website, or maintenance for existing software—let's build it right.

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