Thiago H.

12+ years building software for JPMorgan Chase, Cisco, Avaya, and Ford. 12,400+ hours on Upwork alone. AI-augmented engineer running parallel agents with Claude Code and Codex. Production-grade output at a pace that would normally require a team. Built ML-powered palm biometrics kiosk apps for Keyo (Series A, $30M+ raised, thousands of devices deployed, backed by Netflix co-founder), deployed at JPMorgan Chase. Shipped AI-driven identity verification SDKs at Journey.ai (Gartner Cool Vendor, Zero Knowledge Network, multi-modal biometrics with 99.9999% accuracy) used by Cisco Webex and Avaya, and on prototypes for unreleased Ford partnerships. Worked on an AI teaching assistant active in 125+ UK classrooms, 40,000+ questions answered by AI. Led the development of the POV Disposable Camera Android app (3M+ users, 4.9 stars). AI feature integration (OpenAI, Anthropic, Azure), web applications (Next.js, TypeScript), full-stack products with Firebase, Supabase, and Cloud Functions, Kotlin Multiplatform apps, app refactoring and modernization, native Android and AndroidTV apps (Kotlin, Jetpack Compose), IoT and kiosk applications, and video streaming solutions (ExoPlayer, HLS). Software engineer building mobile apps, web apps, and backend systems. Engineering Manager and CTO experience. Delivering multiple times faster than traditional development without sacrificing code quality or architecture. "Excellent development manager. Writes clean code, good eye for design, successfully managing a team of mobile developers. A core manager in our organisation." - Chris Cooper, CEO at NeoMatrix "Takes initiative and drives the product forward, not only through technical skills but understanding the what and the why of what we're building." - Todd Zusman, Director of Engineering at Journey.ai "Strong technical skills, excellent communication, a true team player and great manager. Architect of a complex cross-platform project. We'd happily work with him again." - Cayetana Polanco, CPO at Keyo "A rare find and very dedicated engineer, team lead and manager. Thiago always delivers." - Al Calendario, Director of Integration at Keyo "Accomplished all tasks very well, sometimes beyond expectations. In command of the Android API, managed tasks with little supervision, keen interest in the business purposes of the app." - Stephen Hosking, CEO at NoPowerTXT "Communication is impeccable, incredibly reliable, very detail-oriented. The kind of leader who grows through adversity and never loses sight of the people." - Lynda Yang, SHRM-SCP at Untitled Shows Kotlin, Java, TypeScript, Python Jetpack Compose, MVVM/MVI, Hilt, Room, Retrofit, Coroutines, ExoPlayer Kotlin Multiplatform Firebase (Firestore, Cloud Functions, RTDB), Node.js, Next.js Claude Code, Codex, OpenAI API, Anthropic API, Azure AI GitHub Actions CI/CD, automated code review, multi-worktree workflows PostHog, Crashlytics, Sentry Check the portfolio below and send a message. Happy to discuss your project.