Outcome-driven
I optimise for working software and business results, not ceremony or resume-driven tech choices.
// About
Senior backend engineering, on your terms
Sinmux is the independent practice of a senior software engineer based in the Netherlands.
Sinmux is the backend engineering practice of a senior software engineer based in the Netherlands. The focus is simple: design and build server-side systems that are correct, observable and fast, and that keep working under real-world load.
After years building and operating production backends, I now take on contract, project and freelance work for teams that need an experienced pair of hands on the hard parts: API design, data modelling, performance, and cloud infrastructure.
Pragmatic, communicative and outcome-driven. I plug into your team or run a piece of work independently, whatever fits.
10+ yrs
Backend experience
NL
Based, remote-friendly
EN / NL
Working languages
How I work
Communicative
Clear written updates, honest estimates, and early flags when something looks risky.
Pragmatic
The simplest design that meets the requirement and can evolve, documented so the team can own it.
Quality-minded
Tested, observable, secure-by-default code that holds up under real production load.