Jack C.

I turn sketches into App Store–ready products that delight users and scale without drama. - 3 years leading Android & iOS development for a venture‑backed SaaS startup (7‑person team). Took both apps from zero to public beta (2,000+ users, 98% crash‑free sessions) through to launch. - Business‑savvy builder: mix product sense, UX empathy, and code craft. I translate goals into pixel‑perfect, high‑performant front ends. - Workflow: lean, test‑driven, CI/CD (Fastlane, GitHub Actions), async‑friendly comms, ship‑small‑learn‑fast mindset. Languages:  TypeScript / JavaScript · Python · Ruby · SQL Frameworks:  React · React Native · Expo Cloud & DevOps:  Firebase · AWS (EC2, RDS, Lambda, S3) Integrations:  Stripe · Firebase · OAuth What you can expect ✅ Clean, maintainable code (ESLint + Prettier, layered architecture) ✅ Performance budgets hit: 60 fps mobile ✅ Friendly, proactive communication and thorough documentation Availability: 15–20 hrs/week | Time zone: EST (flexible overlap worldwide) Let’s talk about how I can accelerate your roadmap and ship that next feature faster, leaner, cleaner.