Based in Brazil
Rafa Adolfo — iOS Tech Lead & Product Builder

Hey, I'm
rafa.

17 years crafting software; 8 years deep in iOS. I build polished mobile products and integrate practical, on-device AI workflows that users actually feel.

From shipping consumer apps with Apple Vision OCR, Siri App Intents, and pixel-art companions to leading enterprise mobile architecture at ThoughtWorks and advising Autio.

Get in Touch Book a Call Explore Apps ↓
Latest Thinking
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// 7 min

Making My Apps Siri-Native Before Apple Tells Everyone To

Apple is building an agentic OS where Siri reaches into apps. I shipped App Intents for both my iOS apps before WWDC — here's what I learned and why it matters.

ios siri app-intents swift indie-dev
// 5 min

Building Delivery Automations Into a Package Tracker With App Intents

I wired Packybara's delivery detection to Shortcuts event triggers. Now 'when my package arrives, send a text' is a real automation. Here's the technical story.

ios siri app-intents automation indie-dev
// 5 min

Scan Tracking Codes With Your Camera: Building OCR Into a Package Tracker

Brazilian tracking codes are everywhere — printed slips, WhatsApp screenshots, marketplace emails. I built camera-based OCR into Packybara so users never have to type one again.

ios vision ocr swift indie-dev
Flagship Products · 0-to-1 Indie Studio

Consumer apps designed, architected, and shipped end-to-end — pairing native iOS craft with playful pixel-art companions.

All Products →
Packybara app icon 8-BIT
App Store · iOS & Android

Packybara

A Brazilian package tracking app with a pixel-art capybara companion, Apple Vision OCR scanning, and Siri App Intents.

  • › Siri-native via App Intents & Shortcuts with sub-second CoreData cache reads
  • › On-device Apple Vision OCR extracts tracking codes from shipping labels & screenshots
  • › 64x64 pixel-art capybara state machine reacting to Correios, Shopee & AliExpress events
Swift SwiftUI CoreData Vision App Intents
Product → Case Study → App Store ↗
CapyCast app icon 8-BIT
Live on App Store

CapyCast

A calm, privacy-first pixel-art weather app with a programmatic capybara mascot that reacts to live WeatherKit conditions.

  • › Programmatic 2D pixel-art rendering engine with 7 dynamic pastel weather themes
  • › Powered by Apple WeatherKit with 3-hour local TTL caching and zero tracking
  • › Full VoiceOver accessibility, haptic micro-interactions, and contextual capybara wisdom
Swift SwiftUI WeatherKit Jetpack Compose Kotlin
Product → Case Study → App Store ↗
MarketCapy app icon
Archived · 0-to-1 Beta

MarketCapy

A sarcastic daily market digest powered by a capybara. AI-generated roasts of crypto and stock market news with live price streams.

  • › Shipped full-stack iOS app + AI backend from scratch to beta in 8 weeks
  • › On-demand LLM market roasts & 24-hour movement summaries via serverless functions
  • › Real-time WebSocket price tiles, interactive charts, and Home Screen WidgetKit support
Swift SwiftUI Supabase Perplexity AI Firebase
Product → Case Study →
Engineering Leadership & Architecture

High-scale iOS systems, hardware integrations, and AI-augmented team leadership.

All Experience →
Mobile Tech Lead Current · Tech Lead

ThoughtWorks (Agriscience Client)

Mobile Tech Lead — leading the mobile engineering team for a global agriscience enterprise, owning platform architecture and AI workflow adoption.

  • › Own end-to-end iOS/mobile architecture and technical strategy across cross-functional squads
  • › Pioneered AI-augmented engineering workflows (custom agents, context checklists, PR automation)
Swift · SwiftUI · Mobile Architecture · AI Workflows →
Senior iOS Engineer Millions of Users

ThoughtWorks (Fitness Startup Client)

Senior iOS Engineer — shipped core workout and hardware-integration features on a flagship fitness iOS app serving millions of subscribers.

  • › Engineered features for a flagship fitness app serving millions of active daily subscribers
  • › Built and maintained real-time workout streaming and physical hardware (bike/tread) integrations
Swift · SwiftUI · UIKit · Real-time Streaming →
Senior iOS & Advisor 4.8★ App Store · Advisor

Autio

Senior iOS Engineer, now Technical Advisor — led SwiftUI modernization, CarPlay & MapKit performance, and Netflix partnership features for a 4.8★ GPS audio app.

  • › Architected Clean Architecture SwiftUI modules and built custom Netflix partnership overlays
  • › Optimized MapKit rendering performance and maintained hands-free CarPlay audio playback
Swift · SwiftUI · UIKit · CarPlay →
Sole iOS Engineer 0-to-1 Fintech MVP

SmartValor

Sole iOS Engineer — architected and shipped a 0-to-1 crypto-exchange mobile MVP to the App Store for a Swiss fintech platform.

  • › Owned 100% of iOS engineering: SwiftUI + MVVM architecture, GraphQL/REST, and App Store release
  • › Integrated regulated Swiss KYC verification flows and automated GitHub Actions CI/CD security gates
Swift · SwiftUI · MVVM · GraphQL →