You're building a business.
I help you build the product.
App, SaaS, platform: whether you're vibecoding it yourself or looking for someone to build it, I'll guide you from idea to launch.
Three ways to work with me
AI App Audit
Your product scored /100
Consulting & advisory
Product development
What I've built
Products built with founders, from first brief to first user.
Rentissime
Real estate rental profitability simulator. Net yield calculation, tax regime comparison and property portfolio management.
10 au 16 février · 14 repas
J'ai privilégié des repas rapides en semaine pour ton rythme.
Planning validé à 100%
JUMA
Family meal planning and grocery management mobile app. AI-powered automatic planning, smart shopping lists and food budget.
Reepost.it
Marketplace for content creators. Integrated Stripe payments and automated commission system.
What my clients say
Entrepreneurs from very different sectors. What doesn't change: understanding their real challenges.
Hello Julia, Je me permet de t'écrire pour te remercier du travail que tu as fait pour nous chez Rentissime. On a vraiment apprécié tes conseils techniques, le fait que tu t'adaptes en trouvant des solutions mêlant dev…
When your project needs more than a solo builder
AJ Ventures is my builder collective. We handle the full development of your product: scoping, architecture, development, deployment.
IT Lawyer. Then developer. Then founder.
With an IT law background, I left everything to learn to code at École 42. Today I build products with founders who want to go from idea to reality.
IT Lawyer
Digital law, SaaS contracts, intellectual property
École 42
Dev training, starting from zero in tech
Founder
AJ Ventures: audit, development and founder support
Connected to founders, here and internationally
I don't just code. I spend time with people who build, listen to their real problems and work alongside them. Online, at events, internationally.
Vivatech 2026 Ambassador program. At the heart of tech innovation in Paris.
Meeting founders and entrepreneurs from all backgrounds in Paris.
Partners in Congo, Senegal and Benin. A builder network across continents.
Online presence
