Macknights
A bilingual website, plus custom software for orders, backorders and stock.
Douwe van der Meij · Haarlem
Grow without getting stuck
Your business is evolving. Your systems should too. I build software that fits your process and grows with you, without locking you in.
Sound familiar?
Your business grows, your tools do not
Manual work: checking, correcting, double entry. Focus on correctness.
What I do
For companies that won't settle for duct tape
Service
Custom software
Custom web applications in no time, designed to grow with you.
- Delivered fast, built to scale
- Model-driven development with Fractal Forge
- Python, SvelteKit, clean architecture
I build software that fits your process, not the other way around.
More about custom softwareHow I work
Show, don't tell
25+ years in software
1 day to the first demo
24 h to a reply to your message
100% your code and your servers
Recent work
Work →What we delivered
Timmertechnieken
A new website, email and help with IT questions for a joinery.
FemCare Health
A new website for a women's health clinic, followed later by a web shop with ERP services.
Heaten
From a startup of 5 to a team of 65 people, involved since 2021.
Flipstream
Fractional CTO and hands-on at a SaaS platform that processes large volumes of data every day.
Fabrique
A CMS connected to a ticketing system for museums, and a testable web shop.
FBI Digital
Project management and architecture for a SaaS client, and a continuity analysis.
HFC EDO
Website, email and newsletters for the Haarlem football club sponsored by Karibu Online.
Testimonials
What my clients say
Douwe gives us the architectural clarity to grow with confidence
To support Flipstream's growth, Douwe provides us with both strategic advice and hands-on software development. His clear architectural sketches and vision for sustainable software help us professionalize our platform and prepare for the next phase.
Clients 
Companies I help and have helped
About
Douwe van der Meij
With 25+ years of software engineering experience, I've helped companies from startups to enterprises build systems that actually work.
I believe in small steps, working software, and solving the real problem. Not the one vendors try to sell you.
Do you have any bottlenecks?
Let's have a conversation about your challenges. Book a free 30-minute call.
Book a call