Build an app or major feature
Turn a product idea or specification into a polished mobile experience with the backend support it needs.
I build and improve mobile apps end to end.
Hi, I'm Fernando 🇲🇽
I help founders and teams build, improve, and ship mobile products, from the app experience and AI features to the backend, payments, integrations, and admin tools.
Top 3% on Upwork · 5.0★ rating · 6+ years building products
Recent Projects
Shipped products showing how I work across mobile, backend, integrations, and production delivery.
Speak Lock
Native iOS app that uses Screen Time controls and AI-scored speaking exercises to interrupt distracting app use.
Anti
A conversational expense app built across native iOS, AI workflows, home-screen widgets, and backend services.
ParkZen
Production mobile platform serving 125k+ users, with payments, live parking data, App Clips, and external integrations.
What I help with
Practical, production-ready help for new products and existing codebases.
Add AI features
Add chat, scoring, summaries, parsing, recommendations, and custom AI workflows.
Fix or extend an existing product
Understand an existing codebase, resolve weak flows, add features, improve reliability, and prepare it for production.
Connect and ship the system
Integrate APIs, authentication, payments, databases, admin tools, CI/CD, and app-store releases.
Have an app idea or product that needs work?
Tell me what you’re building, what stage it’s in, and what you need help with. I’ll help you figure out the cleanest path to ship it.
Top 3% on Upwork · $100k+ earned · 100% Job Success
