Felix Langfeldt
Co-Founder & Technical Director at Celery - Online Payroll & HRM
Willemstad, Curaçao
Summary
👤
SeniorFelix Langfeldt is a seasoned application developer and entrepreneurial technical leader with 17 years of hands-on experience building network-enabled, standards-based software. As Co-Founder and Technical Director of Celery and owner of Neverwoods in Curaçao, he designs and delivers robust multi-tier web applications for payroll, HRM, banking and insurance clients across the Caribbean. He combines deep expertise in interaction design and internet/multimedia technologies with a strong sense of quality and user experience. Felix favors pragmatic, cutting-edge solutions that remain maintainable and secure in production. Based on long-term local market focus, he brings rare regional product experience for enterprise-grade online services. Colleagues describe him as someone who pairs technical craftsmanship with entrepreneurial drive to turn complex requirements into polished, reliable systems.
17 years of coding experience
Dutch, English, German
Stackoverflow
26reputation
44reached
2answers
0questions
Github Skills (44)
validform10
validation10
php10
xhtml10
strict10
filesystem9
javascript9
knife9
fusionauth9
vms8
abstraction8
nette8
xero-api8
api-client7
xero7
Programming languages (6)
Github contributions (5)
flangfeldt/validformbuilder
Jul 2017 - May 2023
ValidForm Builder. Easy and safe XHTML 1.0 strict forms with validation!
Contributions:2 PRs, 47 pushes, 5 branches in 5 years 10 months
validationrulexhtmlphpjavascript
celery-payroll/HTML_Template_IT
Mar 2016 - Mar 2025
Contributions:4 releases, 1 review, 2 PRs in 9 years 1 month
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