Senior React Native engineer with 7+ years of experience building production mobile apps for fintech, digital payments and crypto wallets, using React Native, Expo and JavaScript.
From 2023 to 2026 at Cobru S.A.S. I built and maintained Cobru’s mobile app and about five white-label wallet apps for clients, including Coloca and Bittpi. I led mobile front-end work through code reviews and technical guidance, and ran technical meetings with 8+ client companies integrating with Cobru’s payment-gateway API. Earlier, through Trixel, I contributed to the first version of the Bitcoin wallet for the Government of El Salvador (Athena Bitcoin).
I shipped urgent fixes weekly with EAS Update (OTA), managed Expo EAS builds and App Store / Google Play releases, and set up GitHub Actions quality gates (ESLint, dependency-vulnerability checks) that blocked merges until issues were fixed. I also handled front-end and mobile information-security incidents.
Personal projects include Centauri, an AI-powered expense tracker (React Native/Expo with a Node.js, Express and PostgreSQL API), plus wallet and e-commerce apps.
Based in Barranquilla, Colombia (UTC-5). Open to remote roles. English B2.
