I’m a software developer who enjoys building thoughtful products with clean UX, solid architecture, and just enough polish to make them feel great to use.
- Rep — a local-first workout tracking app with sync, social features, and native charts
- Written — a privacy-focused journaling app with encryption, local-first storage, and on-device AI
- Dash — a running app MVP with native map and GPS features built in Swift
- INVT — an event platform with QR invites, ticketing, and Stripe marketplace payments
- Frontend: React, Next.js, React Native, TypeScript, Tailwind, shadcn/ui
- Mobile: Expo, native modules, Swift
- Data & Sync: Supabase, PostgreSQL, WatermelonDB, Dexie
- UX & Motion: Motion, subtle animations, interaction-focused UI
- Other: Stripe, Web Push, local-first patterns
- Portfolio: simonmanzler.com
- LinkedIn: linkedin.com/in/simonmanzler
- Email: simanzler@gmail.com
If something here interests you, feel free to reach out.


