Jeanro KRUPA

Helping builders find customers · GTM @ Hunter.io

Chamagnieu, Auvergne-Rhône-Alpes, France9.7k followers

Hunter.io

ex-Ruby on rails jobs

ex-Le Wagon

Father of 👦, 👶, 🦮 and happy hubby . I ❤️ Ruby, build BtoB stuff online, meet ruby devs and other product builders.
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I work on a lot of stuff: 💎 I'm the cofounder of RubyOnRailsJobs a Job board and developer directory dedicated to Ruby. 📡 Techlens a API to finds leads by the technology they use 🕷️ I launched ai scraping tool with AI 👨‍🏫 teacher at Le Wagon + 10 failed projects

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GTM Index

HUNTER.IOJOB
1. GTM Eng
  9M
STORERADAR.IOJOB
1. Founder
  10M
YOOPLAJOB
1. Ruby On Rails Full Stack D…
  6Y 1M
RUBY ON RAILS JOBSJOB
1. Co-Founder
  4Y 1M
LE WAGONJOB
1. Driver & Teacher
  5Y 3M
KOMIN.IOJOB
1. Ruby on Rails Eng
  2Y 8M
OQORO EX MON BEL APPARTJOB
1. Ruby on Rails Fullstack Eng
  8M
KP-SKILLSJOB
1. Co-founder
  3Y 8M
LE WAGONSCHOOL
1. FullStack Web Developper,…
  11M
HARVARD BUSINESS SCHOOL ONLINESCHOOL
1. Leading with Finance, Fina…
  11M
____JOB
1. Sales Mgr
  2Y 7M
AXOA - VINS ET SANTÉJOB
1. Founder
  2Y 3M
ECOLE NATIONALE D'INGÉNIEURS DE SAINT-ETIENNESCHOOL
1. Diplôme d'ingénieur, Ingén…
  5Y 11M

Job: Hunter.io — GTM engineer · 2026-01 – present · 7 mo — SEO, pSEO, GEO, Free tools, ChatGPT/Claude/MCP apps, Chrome extension, Gsheet add on
Job: StoreRadar.io — Founder · 2025-12 – present · 8 mo — A CSV of 2.5M Shopify stores, 1.9M email for $149
Job: yoopla — Ruby On Rails Full Stack Developer · 2020-09 – present · 5y 11mo — I worked on many projects as freelance or Indie Hacker by night or weekends - techlens.app : Find leads by the technology they use - rankfirst.so : LLM SEO audit tool - Magnalead: Turn you Linkedin Network into leads - Datascrape.ai: AI Scrapping tool - Suspend'us (Freelance): 🇨🇭 Fullstack dev - Template-in (Perso): A chrome extension to centralize templates to enhance productivity (24€ MRR => ☠️) - RubyOnRailsJobs: Job board dedicated to ruby devs (~ 1000€ MRR 🐥) - Yoopla recruitment (Perso): An open marketplace to refer talented people, to amazing jobs... and get paid when they are recruited! (0€ MRR => ☠️) - Yoopla ATS (Perso): A CRM & ATS dedicated to freelance recruiters (50€ MRR…
Job: Ruby on rails jobs — Co-Founder · 2022-06 – 2026-07 · 4y 1mo — Job board and developers directory dedicated to the best framework, Ruby on Rails We provide recruitment services to +30 amazing ruby companies.
Job: Le Wagon — Driver & Teacher · 2020-09 – 2025-12 · 5y 3mo — - Driver le Wagon lyon - Teacher Ruby
Job: Komin.io — Ruby on Rails Engineer · 2023-01 – 2025-09 · 2y 8mo — Komin.io est un SaaS permettant la création, diffusion et partage des connaissances en entreprise.
Job: OQORO ex Mon Bel Appart — Ruby on Rails Fullstack Engineer · 2022-05 – 2023-01 · 8 mo
Job: KP-Skills — Co-founder · 2019-04 – 2022-12 · 3y 8mo — Head Hunting Company
Job: ____ — Sales Manager · 2017-05 – 2019-12 · 2y 7mo — Started new Business Unit for Ansys Channel Partner. From scratch to 1.2M. Company sold.
Job: AXOA - Vins et santé — Founder · 2015-01 – 2017-04 · 2y 3mo — - Brand acquisition for marketing solutions to increase winemaker branding. - 300 K€ CA, 70% Margin - x 2.3 Buy out
Job: Go To Market Engineering — Ruby On Rails Full Stack Developer · unknown – present
Job: Mike Ollefs — Ruby On Rails Full Stack Developer · unknown – present
Job: No-company. (Self-employed.) — Sales Manager · unknown – present
Job: No-company. (Self-employed.) — Founder · unknown – present
Job: Go To Market Engineering — Sales Manager · unknown – present
Job: Mike Ollefs — Sales Manager · unknown – present
Job: Mike Ollefs — Founder · unknown – present
Job: No-company. (Self-employed.) — Ruby On Rails Full Stack Developer · unknown – present
Job: Go To Market Engineering — Founder · unknown – present
School: Le Wagon — FullStack Web Developper, Computer Programming, Programmation / développeur informatique, général · 2020 – 2020
School: Ecole nationale d'Ingénieurs de Saint-Etienne — Diplôme d'ingénieur, Ingénierie mécanique · 2008 – 2013
School: Harvard Business School Online — Leading with Finance, Finance, général · 2020 – 2020

Skills

sqlSaaS DevelopmentFrançaisEntrepreneuriatRuby on RailsDéveloppement webDéveloppement commercialIngénierieRecrutementStratégieAnglaiswebflowZohoGitGestion de la relation client (CRM)InDesignRubyJavaScriptcsshtml

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Jeanro KRUPA

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