Gabriel Taveira

Fractional CTO · Engineering Leader

Ribeirão Preto, Brazil · Remote with US teams

gabrielstaveira@gmail.com | gabrieltaveira.dev | linkedin.com/in/gabrieltaveira | github.com/GSTJ

Full portfolio · Download PDF

Summary

Engineering leader and independent consultant with 9+ years in product companies. I work on architecture, teams, hiring and delivery, and at my largest, 56 people reported up to me. Recently: Coinbase's app infrastructure, D-ID's app built from zero, and Curvinha, my own product.

Experience

Fractional CTO & Engineering Consultant2025 to Present

Independent

  • Architecture reviews and large migrations for product companies. Client details under NDA.
  • Interim engineering lead while clients hire: rituals, code review standards and the hiring loop.
  • AI work: reinforcement learning (RL) training environments and evaluations for AI models.

Senior Software EngineerMar 2024 to Dec 2025

Coinbase · G2i

  • Helped with the app's large migrations on Consumer App Infra: React Native's new architecture, React Compiler, Expo Prebuild and the design system.
  • Supported app releases and raised test coverage on team-owned files from 25% to 45%.

Lead Mobile EngineerSep 2023 to Feb 2025

D-ID · A.Team

  • Built the company's new core product, its mobile app, from zero with React Native and Expo.
  • 4.6 stars from 3.4K App Store ratings. Golden Kitty 2023 on Product Hunt, Best UX 2023 at A.Team.

Senior Software EngineerOct 2022 to Dec 2023

Kustomer · Meta

  • Built the open-source design system and SDKs for developers integrating with Kustomer's APIs.

Senior Software EngineerApr 2022 to Sep 2023

Groundswell · X-Team

  • Raised test coverage from 30% to 80%+ with MSW and made the Discover page 200% faster.
  • Founded the Mobile Engineering Biweekly forum.

Software Engineer IIISep 2020 to Apr 2022

Zé Delivery · AB InBev

  • Rebuilt the Browse module and shipped deep-link handling that lifted campaign conversion.
  • Co-wrote Mozeic, the in-house design system (177k+ npm downloads), and interviewed engineering candidates.

Mobile EngineerOct 2019 to Sep 2020

Alfred Delivery

  • As the only engineer, led the migration from Ionic to React Native for an app serving 90+ franchises.

Software EngineerApr 2017 to Oct 2019

Micro Import Group

  • Built a real-time repair-status tracker and internal dashboards for an Apple Service Provider.

Projects & Open Source

Curvinha2026 to Present

Founder · curvinha.app

Native iPhone app (SwiftUI, RoomPlan, RealityKit): scan a room, get a furnished plan with real products and the shopping list. On the App Store since Oct 2026.

Pegada2023 to Present

Founder · github.com/GSTJ/pegada

Dog dating app for iOS and Android, built with Expo and React Native. #2 Product of the Day on Product Hunt, open source since 2025.

Open source2022 to Present

Maintainer · github.com/GSTJ

magic-modal, eslint-plugin-safe-jsx, react-native-code-push-plugin and more: 338k+ npm downloads and 714 GitHub stars.

Skills

  • Leadership: Engineering management, Technical hiring, Mentoring, Roadmaps, Remote teams
  • Engineering: App architecture, Migrations, Design systems, Testing, CI/CD, Developer experience
  • Stack: TypeScript, React, React Native, Expo, Next.js, Node.js, Swift, SwiftUI
  • AI: RL training environments, Model evaluation, AI agents
  • Languages: English, Portuguese (native)

Talks

  • Eficiência com IA, The Brooklyn Brothers, São Paulo2024
  • Shipping Mozeic at Zé Delivery, TDC · Design Systems, São Paulo2024
  • Forming a Tech Lead, three days at a time, Assemble · Rocketseat, Remote2023

Awards

  • Global Legal Hackathon SP, 1st place2020
  • Mão na Cevada, 1st place2019