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Martin Pintos

Software Engineer building high-impact mobile and web experiences with React Native & React

Buenos Aires, Argentina

About

Software Engineer specializing in React Native, React, and TypeScript across the full development lifecycle — from architecture and implementation to testing and app store delivery. I care about clean code, user experience, and making engineering teams better through mentorship and knowledge sharing.

Work experience

  • React Native Developer

    Engineer and optimize core features for a market-leading fintech app used by 4M+ users across 6 countries, maintaining a 4.7-star store rating. Act as technical liaison between engineering and product, translating requirements into delivery plans and surfacing blockers early.

    Mentor team members and drive knowledge sharing through documentation and KT sessions. Maintain 90%+ unit test coverage with Jest and React Native Testing Library, stabilizing releases and reducing production defects.

    • React Native
    • TypeScript
    • Redux
    • Jest
    • AWS
  • Mobile Software Engineer

    Architected and launched a high-performance React Native app that scaled to 80,000+ downloads with a 4.4-star rating. Led delivery of 10+ full-cycle web and mobile projects, maintaining a 100% on-time delivery rate.

    Reduced development time 30% by building a modular design system with Storybook and Tailwind CSS. Improved app stability 40% through automated testing with Jest, RNTL, and Detox. Managed end-to-end App Store and Play Store submissions.

    • React Native
    • Storybook
    • Jest
    • Detox
    • AWS
    • Firebase
  • React Native Developer

    Developed a cross-platform MVP from scratch using Expo and Redux, enabling the company to secure early-stage user validation within 4 months.

    Integrated Adyen payments and Google Maps for secure transactions and real-time location features. Implemented Firebase push notifications, analytics, and AWS sync to increase daily user engagement.

    • React Native
    • Redux
    • Firebase
    • TypeScript
    • Expo
    • Adyen
  • Software Developer Trainee

    Built an AI-powered virtual assistant using IBM Watson, integrated into web and mobile platforms to automate customer support. Established an automated testing suite using JUnit and TestProject, integrated into Jenkins and GitLab CI/CD pipelines.

    Engineered REST APIs in Java Spring for efficient data management. Developed custom Jira dashboards providing leadership with real-time project health insights.

    • Java
    • JUnit
    • Angular
    • IBM Watson
    • Jenkins
    • CI/CD

Education

  • University of London

    Bachelor of Science in Computer Science (Machine Learning & AI)

  • AHK Argentina

    Associate Degree in IT Systems

Certifications

  • AWS Certified Cloud Practitioner

    Amazon Web Services (AWS)

Skills

  • React Native
  • React
  • TypeScript
  • Next.js
  • JavaScript
  • Redux
  • Node.js
  • Expo
  • Jest
  • Tailwind CSS
  • AWS
  • Firebase
  • GraphQL
  • Docker
  • Storybook
  • Git

Projects

  • Web app to browse anime and manga information with search, filtering, and detailed pages

    • Next.js
    • Chakra UI
    • Jikan API
  • This site — a minimalist, i18n-ready portfolio built to showcase experience and projects

    • Next.js
    • Tailwind CSS
    • NextUI

Created by me using Next.js, Tailwind CSS, and Next UI, with deployment by Vercel. It features Lucide icons and the Mulish font. Code is open source on GitHub.