Senior mobile engineer — Cartagena, Colombia · UTC−5
I'm Gabriel González — a senior mobile & full-stack engineer with 6+ years in React Native and TypeScript. I lead greenfield builds and AI-driven development workflows for fintech, e-commerce and health-tech teams, from architecture to the store listing. Four of the apps below are live right now — tap the dock to check.
Live listings — icons pulled from the stores at build time.
Proof of work
Store links are the proof. Each card notes the AI level of the engagement — my own 0–3 scale, from fully manual delivery to AI-driven development leadership.
Techunting · 1-800-Flowers.com
Mar 2026 — Present · Senior Full Stack React Native Engineer
Leading the AI-driven development initiative for the retail app — architecting mobile features with Zustand and React Navigation while raising team velocity with Codex-assisted workflows.
Lean Tech · Edible Arrangements
Mar 2025 — Jul 2025 · Senior Full Stack React Native Engineer
Led the greenfield build of the e-commerce app with React Native + Expo, Zustand and TanStack Query — mobile transactions grew 25% within three months of launch.
Sezzle · Buy now, pay later
Jul 2024 — Feb 2025 · Full Stack React Native Engineer
Worked on a BNPL app used by millions across the US and Canada — centralized state with Redux/Zustand and reworked the Shop and product-detail experience, lifting repeat purchases 15%.
Mahisoft · Auction.com · RESI Buyer
Dec 2021 — Feb 2023 · Android Engineer
Migrated the legacy real-estate marketplace codebase to Kotlin and integrated GraphQL, improving API response performance by roughly 30%.
Background
Earlier roles, side ventures and the groundwork behind the store links.
Carta Latina (self-employed)
TCG marketplace MVP from ideation to 10K+ users. Next.js, Turborepo, Supabase, GitHub Actions.
Mahisoft · SylvanRoad
Sole mobile engineer on a contractor-management app (React Native + NestJS + PostgreSQL). 99% contractor adoption through offline-first design.
Ivent
Led the team behind a social events app with 10K+ users; migrated Firebase to AWS Serverless.
EPAM Systems
Retail sector — Domain-Driven Design applied to mobile workflows.
Gaio Studios
Doctor Pro healthcare app (Flutter + Firebase) — cut manual data entry by 40%.
Toolbox
MSc in Computer Engineering (Universidad del Norte, cum laude) · Anthropic “Claude Code in Action” · Apollo GraphQL Developer · IELTS 8.0.