Jeanro Krupa
Growth Engineer at StoreRadar.io
Chamagnieu, Auvergne-Rhône-Alpes, France
Summary
👤
Senior🎓
Top SchoolJeanro Krupa is a Growth Engineer and serial founder with nine years of hands-on experience building B2B Ruby on Rails products, from job boards and lead-finding APIs to AI-powered scraping tools. Based in Lyon, he co-founded RubyOnRailsJobs, teaches RoR at Le Wagon, and currently drives growth at Hunter.io while launching new ventures like StoreRadar.io. His background blends technical full‑stack work, product-led growth, and sales—having built businesses that scaled to six-figure revenues and also learned from numerous small failures. Notably, he repeatedly turns developer community insight into products (e.g., a niche RoR job directory and techlens.app), combining pragmatic engineering with founder instincts and an educator’s knack for mentorship.
9 years of coding experience
11 years of employment as a software developer
FullStack Web Developper Computer Programming Programmation / développeur informatique général, FullStack Web Developper Computer Programming Programmation / développeur informatique général at Le WagonLeading with Finance Finance général, Leading with Finance Finance général at Harvard Business School OnlineDiplôme d'ingénieur Ingénierie mécanique, Diplôme d'ingénieur Ingénierie mécanique at Centrale Lyon ENISE
French, English
Github Skills (5)
rich-text-editor5
text-editor5
wysiwyg5
javascript5
editor3
Programming languages (3)
Github contributions (5)
jromainkrupa/Ibreath
Aug 2020 - Jan 2021
Contributions:97 commits, 59 PRs, 57 pushes in 5 months
jromainkrupa/digital-jungle
Apr 2021 - Aug 2021
Contributions:7 PRs, 266 pushes, 8 branches in 4 months
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