Louis ROMAIN

Designed and implemented a fully browser-based distributed web infrastructure that turns user browsers into secure peer-to-peer compute and storage nodes via WebRTC.

• Shaped a resilient peer-to-peer architecture with fine-grained security boundaries.
• Delivered a progressive enhancement strategy so the network scales with each connected user.

Modular ERP platform streamlining client projects, HR, and compliance workflows for Junior-Enterprises.

• Led the design and implementation with Next.js, Postgres, and Drizzle ORM to unify collaboration across teams.
• Implemented secure, role-based automation to enhance collaboration and compliance tracking.

Bootstrapped a direct-to-consumer watch brand, co-designing limited-run timepieces with international manufacturers while crafting the full digital customer journey in-house.

• Generated €60k revenue with more than €80 average order value by optimizing acquisition funnels and retention flows.
• Grew an Instagram community to 6k followers through storytelling, product photography, and influencer partnerships.

+2 more achievements inside

AI-powered SaaS that centralises mileage allowances, calendar sync, and compliant accounting exports for consulting firms.

• Built a secure multi-tenant workflow that reconciles calendars, expenses, and tax rates into ready-to-file mileage reports.
• Automated PDF exports, audit logging, and compliance checks to reduce manual bookkeeping overhead for SMEs.