Available to hire
I’m Carlos Portela, a Senior React Native Team Lead with 10+ years of hands-on mobile development experience, delivering high-quality cross-platform apps for enterprises and startups. I specialize in React Native (Expo & CLI), TypeScript, Redux, ES6, iOS (Swift/Objective-C), Android, and modern DevOps practices.
I excel at leading distributed engineering teams, owning architecture end-to-end (mobile + backend), rescuing failing projects and rebuilding them successfully, designing offline-first mobile architectures with background sync, mentoring developers, and shipping 4-5+ production React Native apps on iOS & Android.
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Language
English
Fluent
Italian
Advanced
Spanish; Castilian
Advanced
Work Experience
Lead React Native Engineer at BoatyDo
January 1, 2025 - PresentLeading development of a React Native app for yacht maintenance and task automation. Architected offline-first data layer with background synchronization and media capture. Designed modular state management with Redux Toolkit. Introducing CI/CD, automated testing, and code quality standards. Guiding junior developers and defining best practices.
Senior React Native Engineer at BoatCard
July 1, 2023 - January 1, 2025Built a production React Native app for the boating community. Implemented full MySQL-backed Python/Flask API; later introduced Rust modules for performance. Delivered stable iOS/Android builds, OTA updates, push notifications, and analytics. Improved load time by optimizing bundle structure and caching strategies.
React Native Lead at SB
August 1, 2022 - May 1, 2023Took over a failing project, re-architected from scratch, and delivered MVP on time. Implemented Node.js backend, secure auth, and state-managed React Native client. Built experimental SwiftUI components (Bluetooth scanning). Led architecture decisions and coordinated with product owners and designers.
Senior Mobile Engineer at Cargill
March 1, 2022 - April 1, 2023Built a mission-critical React Native app for field maintenance technicians. Fully offline-capable, syncing to SAP backend. Used Redux Toolkit, Axios middleware, and advanced caching patterns. Multi-year cooperation across concurrent projects.
Lead Engineer at Yoke
March 1, 2022 - September 30, 2022Architected a React Native KIOSK application for retail and hospitality. Led coordination with UI/UX, backend, and hardware vendors. Delivered optimized builds for rugged Android devices.
Senior RN Engineer at Quartzy
January 1, 2019 - December 31, 2022Bootstrapped a new RN app, setup architecture, i18n, Redux, QR features.
Senior RN Engineer at Ryze Money
January 1, 2019 - December 31, 2022Lead mobile dev for crypto/FinTech app (Plaid, APEX, PrimeTrust, Socure).
RN Engineer at SOLTECH
January 1, 2019 - December 31, 2022Social network app (Mastodon/Federated), SwiftUI bridges.
Lead RN Developer at TruckStops
January 1, 2019 - December 31, 2022Lead RN dev + offshore team lead; virtual payments app.
RN Engineer at Entertainment Partners
January 1, 2019 - December 31, 2022Technical deep-dives & documentation handoff.
RN Engineer at DHS COVID-19
January 1, 2020 - December 31, 2021RN proximity alerts, BT detection, health scoring.
RN Engineer at Rodeos
January 1, 2020 - December 31, 2021Expo app for event booking/payments with Stripe.
RN Engineer at Dribe
January 1, 2019 - December 31, 2021iOS/Android leasing subscription app (MobX).
RN Engineer at Univision
January 1, 2019 - December 31, 2021Streaming video app, closed-captioning, mapping UI.
RN Engineer at Shofur
January 1, 2019 - December 31, 2021Expo apps + complex animation/geo image server.
RN Engineer at GoDaddy
January 1, 2019 - December 31, 2021Customer-facing RN app, calendar engine.
Education
B.S. in Electrical Engineering + Minor in Computer Science at Florida International University
January 11, 2030 - January 15, 2026Qualifications
FCC Amateur Extra
January 11, 2030 - January 15, 2026Industry Experience
Software & Internet, Professional Services, Media & Entertainment
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
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