Leiden digital agency designing and building websites, web apps, integrations and AI features
Tektonikos
Haarlem-based developer of custom websites, Django platforms and business software for companies
About Tektonikos
Tektonikos designs and builds custom websites and business software from Haarlem in the Netherlands. The work is presented in the first person, which suggests a one-person practice. It focuses on robust back-end systems that connect websites and cloud software.
What Tektonikos offers
- Django platforms — complex back-end systems, built mainly with Django on Ubuntu or Debian servers.
- Custom software — bespoke applications, APIs and integrations with payment, e-mail and content services.
- Server work — architecture and deployment on Ubuntu and Debian.
- Front-end work — JavaScript, CSS and React, with PHP used when a project calls for it.
- Optimisation — speed work, SEO and A/B testing.
Who it works with
The developer says the client list is kept small, made up of organisations that value long-term quality over short-term savings. Client quotes on the site come from marketing and data businesses and a baby-products company.
Key facts
- Based in: Haarlem, Netherlands
- Main stack: Python, Django, Postgres, MySQL
- Also uses: Laravel, Symfony, WordPress, Node.js
Profile written by TrustList from the business's own published information, Oct 2026.
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