Theo E
Back End Engineer at CitizenPlane
France
Summary
👤
Senior🎓
Top SchoolTheo E is a senior Back-End Engineer based in France with 8 years of hands-on experience building and operating production-grade services. He has driven migrations from JavaScript/Node.js to TypeScript and from TypeScript to Go, improving type safety, performance, and maintainability across multiple startups. Theo excels at bringing structure to loosely organized teams—mentoring juniors, introducing testing and code review practices, and writing RFCs to align engineering with product needs. His work spans API design, routing and logistics optimization, and operational tooling, with measurable impacts on KPIs and delivery efficiency. Comfortable across full-stack concerns from driver-facing web apps to core backend systems, he pairs pragmatic engineering with a product-minded focus. A former entrepreneur and 42 Paris alumnus, he combines startup grit with disciplined software craftsmanship.
8 years of coding experience
9 years of employment as a software developer
Architecte du numérique Programmation / développeur, Architecte du numérique Programmation / développeur at 42 Paris
French, English, SpanishProgramming languages (4)
Github contributions (5)
vinceduong/42_Lem-in
Oct 2018 - Oct 2018
Contributions:81 commits, 67 pushes, 1 branch in 17 days
thescriv/42
Oct 2019 - Jan 2025
Contributions:12 pushes, 1 branch in 5 years 3 months
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