Summary
Joshua Jansen is a Lead Ruby on Rails developer based in Rotterdam with 12 years of professional experience building production-grade Rails applications since 2007. He combines deep hands-on engineering with entrepreneurial experience as founder/co-founder of multiple ventures (Eruby, TwoLabs, ITflows), giving him a pragmatic product-focused perspective on architecture and delivery. At Firmhouse he leads Rails development, shaping scalable back-end systems and mentoring teams while remaining actively involved in code and implementation. His background in Informatica and long-running commitment to the Rails ecosystem make him adept at translating business needs into maintainable, testable systems. Notably, Joshua’s career shows a pattern of founding small companies and then scaling technical platforms within a larger product organization, reflecting both startup grit and operational discipline.
12 years of coding experience
12 years of employment as a software developer
Bachelor, Informatica, Bachelor, Informatica at Haagse Hogeschool/TH Rijswijk
Dutch, English