Djulian Ouatla

Mobile-first form platform for construction sites: 10,000+ forms filed, measurably improving on-site safety reporting. • Offline-first: documents and drafts captured with no signal, synced on reconnect • Custom templating engine, ops teams create new form types without a developer • Direct-on-PDF editing workflow, removing comms/marketing's dependency on engineering Stack: React Native, Expo, Next.js, Express, MongoDB, TypeScript, self-hosted CI/CD

Flatshare and roommate-matching app. ~15,000 users, 150 DAU.

Mobile app studio. I own engineering: architecture, delivery, and the team. • 10+ production apps shipped for clients across fintech, media, construction and consumer • 50K+ users across delivered products; • Built and led the dev team — hiring, code review, agile delivery against fixed client timelines • Full-stack ownership when the client has no backend: React Native, NestJS, MongoDB, AWS, self-hosted CI/CD Selected clients: Groupe ETPO · Les Echos–Le Parisien · Coinhouse · Atlantic Financial Group · Meuf · ÜTI

Rebuilt a 20,000-user social app off a broken Firebase MVP onto production AWS infrastructure, in four months. • Full rewrite: React Native client, NestJS backend, Next.js admin, AWS infra with CI/CD • Shipped in-app messaging and a 60fps animated feed • Led a small dev team: established code review, ran sprint delivery Stack: React Native, Expo, NestJS, MongoDB, AWS, TypeScript

Developed a mobile application for managing investment portfolios of structured financial products. Tech stack: React Native, Expo, TypeScript, Custom Animations

Modernised the internal tool for editorial delivery and scheduling. Stack: React Native, TypeScript

Client engagement via Neiso. Unified Coinhouse's internal UI component library across its apps and raised test coverage.

Developed and maintained a microservices-based platform, handling both backend (Node.js, PostgreSQL, AWS) and frontend (Vue.js, Redux) Project's Highlights: - Built automated reporting system generating daily/weekly/monthly performance reports - Optimized service performance and established inter-service communication architecture - Created data visualization dashboards using Tableau and SQL/MongoDB queries Tech stack: Node.js, PostgreSQL, Vue.js, Redux, AWS, GitLab CI/CD, MongoDB