Cloomba
2026 Web
for Cloomba
Events & ticketing — RSVPs, tickets, on-site check-in and a shared photo wall. Web platform plus native iOS and Android apps.
TanStack Start Node.js Express PostgreSQL Firebase Swift Kotlin Cloudflare
Hi, I'm Serge 👋
I build web, mobile & fintech products — end to end.
I'm a full-stack engineer with 10+ years shipping web, mobile and fintech products — from core banking apps for European banks to my own startups. I move fast, learn faster, and care about getting real things in front of real users.
- Backend
- Frontend
- Mobile
- Web Design
- Databases
- Security
- AI tooling
- UX/UI
- Problem-solving
Selected work
A few recent things. See all on the projects page.
Temaron
2026 Mobile
for Temaron
iOS and Android apps for tourists in Italy — audio guides, videos, descriptions, cross-navigation, QR-code scanning and deep-linking.
Swift SwiftUI Kotlin Jetpack Compose
World Castles
2025 Web
for WhiteTown
Migrated a ~9,000-page site from Next.js to Astro — all pages generated at build time (~30s full build), no SSR, no runtime generation. Just plain, fast HTML.
Astro Cloudflare
Localize.to
2020 Web
for LocalizeTo
Localization service to simplify and automate translating apps and websites. Sole developer across everything — backend, frontend, API, and SDKs for iOS/Android/React.
Swift Kotlin React React Native Node.js PHP MySQL