Summary
Daniël Zwijnenburg is a pragmatic freelance Elixir, Ruby and JavaScript developer with 11 years of experience building tested, maintainable web applications and automations. He combines deep Rails and Ruby expertise with modern Elixir/Phoenix work, a strong front-end background (React, Backbone, jQuery) and practical server automation (Ansible, AWS, Rackspace). A certified Scrum Master who lives XP practices, he emphasizes TDD, pair programming and continuous delivery to keep code simple and reliable. Daniël has held roles from developer to CTO and co-founder, bringing both hands-on implementation skills and product-minded leadership. He routinely shares knowledge through internal training and cross-team collaboration, which has helped him move teams from manual ops to automated deployments. Based in the Netherlands, he’s known for clear, continuously tested code and a preference for pragmatic tooling choices that scale.
11 years of coding experience
8 years of employment as a software developer
Bachelor of Science Interactive Media, Bachelor of Science Interactive Media at Amsterdam University of Applied Sciences