Jeanro KRUPA

Co-Founder

Lyon, France13 yrs experience

Most Likely To SwitchAI Enabled

Key Highlights

Co-founder of RubyOnRailsJobs, a dedicated job board.
Launched innovative AI scraping tool, Datascrape.ai.
Experienced in teaching Ruby and web development.

Stackforce AI infers this person is a SaaS-focused Full Stack Developer with entrepreneurial experience.

Contact

Skills

Core Skills

Ruby On RailsFull Stack Development

Other Skills

AIAnglaisDéveloppement commercialDéveloppement webEntrepreneuriatFrançaisGestion de la relation client (CRM)Gestion de projetsGitInDesignIngénierieJavaScriptRecrutementRubySQL

About

Father of 👦, 👶, 🦮 and happy hubby . I ❤️ Ruby, build thing online meet Indie Hackers and other product builders. I work on a lot of stuff: 💎 I'm the cofounder of RubyOnRailsJobs a Job board and developer directory dedicated to Ruby. 🕷️ I launched Datascrape.ai pay once scraping tool with AI 🐶 currently building Rankfirst.so (you will see soon) 👨‍🏫 teacher at Le Wagon + 12 failed projects 😅 💻 I’m currently working at Komin.io as Fullstack Developer to build a SaaS to help employees share their knowledge across their organisation. Feel free to reach out to

Experience

Komin.io

Ruby on Rails Engineer

Jan 2023 – Sep 2025 · 2 yrs 8 mos · Paris, Île-de-France, France · Remote

Komin.io est un SaaS permettant la création, diffusion et partage des connaissances en entreprise.

Ruby on rails jobs

Co-Founder

Jun 2022 – Present · 3 yrs 9 mos · France

Job board and developers directory dedicated to the best framework, Ruby on Rails
We provide recruitment services to +30 amazing ruby companies.

Oqoro ex mon bel appart

Ruby on Rails Fullstack Engineer

May 2022 – Jan 2023 · 8 mos · Lyon, Auvergne-Rhône-Alpes, France

Ruby on RailsJavaScriptGitRubySQLFull Stack Development

Yoopla

Ruby On Rails Full Stack Developer

Sep 2020 – Present · 5 yrs 6 mos · Lyon, Auvergne-Rhône-Alpes, France

I worked on many projects as freelance or Indie Hacker by night or weekends
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 => ☠️)
Yoopla X (Perso): Chrome extension to import directly a candidate from Linkedin into Yoopla ATS
Hunter.io (Freelance): Front & Back I18n 🦊
Panache Sport (Freelance): Market place for sport events
Oenoplace (Freelance): Wine market place & 2nd hand Wine estimation
DItesco (Freelance): Ruby Teacher
EM Lyon (Freelance): Teacher HTML, CSS, Product Design
ESDES (Freelance): Teacher HTML, CSS, Product Design
Le Wagon (Freelance): Teacher Ruby