I designed, built, and shipped a complete fitness and wellness platform, from product design through production release. It includes an iOS and Android app, a NestJS and PostgreSQL backend, a React admin CMS, and a Next.js web funnel.
On the platform, I built a meal-plan scaling engine that adapts authored plans to users’ calorie and macro targets. I also developed real-time coaching chat, mobile health integrations, and an on-device feature that cleans up voice-dictated journal entries in English and Ukrainian.
Previously, I maintained a profit-analytics app for e-commerce sellers and carried it through React Native’s New Architecture migration. At Tomnium, I co-founded the team and contributed across products in retail, fintech, and other domains, including a guest-spot platform and a white-label loyalty app.
