Mingo Hagen
CTO And Owner at E-Line Websolutions BV
Amsterdam, North Holland, Netherlands
Summary
🤩
Rockstar🎓
Top SchoolMingo Hagen is a seasoned web developer and founder with 11+ years of professional experience and roots in building creative tools since the Macintosh Classic era. As owner and technical lead at E-Line Websolutions and previous CTO roles, he blends hands-on engineering in TypeScript, ColdFusion/CFML, APIs, TDD and SQL with pragmatic technical leadership in small, fast-moving teams. He co-founded companies, scaled a web shop from its early days, and contributed to notable open-source work such as the cfdocs project that improves CFML documentation and responsive front-end behavior. Based in Amsterdam, he pairs production software work with hands-on volunteer tech roles in circus productions, bringing a practical, tactile perspective to solving technical problems. Known for owning both infrastructure and UX details, he favors durable, testable systems that serve real users.
11 years of coding experience
11 years of employment as a software developer
Not that important.
Dutch, English
Github Skills (6)
html10
css10
cfml10
coldfusion10
responsive-design9
javascript8
Programming languages (8)
Github contributions (5)
foundeo/cfdocs
Aug 2015 - Apr 2021
Repository for the cfdocs.org site.
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:46 commits, 26 PRs, 23 comments in 5 years 9 months
Contributions summary:Mingo contributed to the cfdocs.org website by addressing various issues and implementing improvements. They fixed markdown link rendering problems, added deprecated and cleanup functionalities to the htmlEditFormat, and optimized the homepage by making it responsive to different screen sizes. They also integrated Google code-prettify and updated the theme, demonstrating expertise in front-end and potentially back-end web development.
cfmlcoldfusion
mjhagen/framework-zero
Aug 2015 - Apr 2020
Contributions:12 pushes, 1 branch in 4 years 9 months
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