brrianalexis

1. beloFeb 2026 - Present
   Frontend & Mobile LeadCrypto fintech app · 3M+ users onboarded across LATAM

   • Own mobile and web technical direction: architecture, standards and code review culture
   • Own the CI/CD and release process on EAS, shipping to production multiple times a week
   • Maintain 80%+ unit test coverage with Jest and Testing Library
   • Lead a cross-functional squad (frontend and backend) with product and design, scoping and shipping features end-to-end
2. beloJul 2022 - Feb 2026
   Senior Frontend DeveloperCrypto fintech app · 3M+ users onboarded across LATAM

   • Key contributor to the Flutter to React Native/Expo migration, porting the app's screens and flows and shipping to the entire user base
   • Built core features across every vertical of the app (crypto buy, sell and send flows, onboarding and KYC, retention and personalization) with TypeScript, Zustand, TanStack Query and MobX
   • Mentored engineers through code reviews and pairing as the frontend team grew from 2 to 6
   • Led frontend within a cross-functional squad and contributed to backend services (Node.js, Fastify)
3. DigiventuresNov 2020 - Jul 2022
   Full-Stack JS Developer

   • Worked on a CMS admin platform using Next.js, Redux & Sass
   • Developed API endpoints in Next.js with Express.js, using Passport & MongoDB for auth
   • Implemented CI/CD with CircleCI for AWS EC2 deployments
4. AccentureSep 2019 - Nov 2020
   Full-Stack JS Developer

   • Built a SPA from scratch using React, Redux & Material-UI
   • Worked with serverless architecture using TypeScript & AWS (Lambda, S3, SecretsManager, API Gateway & DynamoDB)
   • Set up deployment pipelines using Azure DevOps & Octopus

More by brrianalexis

• proyect.appMovie planner for Argentine cinemas with double-feature builder, digital wallet, and push notificationsView
• stremio partySynchronized watch parties on Stremio with real-time playback sync and voice chatView
• readme displayDynamic widgets to show off your Last.fm and Letterboxd stats in your readmeView
• jasmine-domCustom Jasmine matchers to test the state of the DOMCode

Information

Developer

Brian Alexis Michel

Mobile

React Native, Expo, EAS

Frontend

TypeScript, React, Next.js, TailwindCSS

Backend

Node.js, Fastify, Bun, MongoDB, PostgreSQL

Testing

Jest, Testing Library, Cypress

Languages

Spanish (native) · English (professional working proficiency)

Contact

LinkedInGitHub