Jose is available for hire
Hire JoseJose Eduardo Vaugier Ramirez
Verified Expert in Engineering
Engineering Lead and Full-stack Developer
Mexico City, Mexico
Toptal member since April 22, 2025
Bio
Jose Eduardo is a full-stack engineering lead and founding engineer with a track record of building and launching scalable, user-focused products. He is passionate about hands-on coding, shaping a technical strategy, and building strong, collaborative teams that grow alongside the company. A great lead and a team player, Jose Eduardo will be a great addition to any team.
Portfolio
Playbook
React, React Native, Expo, Git, Node.js, EAS, REST, Webpack, HTML, CSS, JSX...
Bitso
React Native, React, CSS, HTML, PHP, Java, Git, Jira, JavaScript
Grupo AliadaMX, S.A.P.I. de C.V
React Native, React, GraphQL, REST, Flow, Jira, Webpack, React Apollo...
Experience
- HTML - 18 years
- CSS - 18 years
- Node.js - 12 years
- Git - 10 years
- React - 10 years
- React Native - 8 years
- TypeScript - 4 years
- Expo - 4 years
Availability
Full-time
Preferred Environment
MacOS, Visual Studio Code (VS Code), Linux, TypeScript
The most amazing...
...thing I've done was lead cross-platform app development at Playbook, serving hundreds of thousands of users from a single React Native codebase.
Work Experience
Lead Front-end Engineer
2021 - 2024
Playbook
- Spearheaded the front-end team for almost four years, managing and participating in developing and maintaining Playbook's website, mobile website, and iOS app.
- Created a deployment pipeline that automated releases and app store publications using GitHub actions, Expo Application Services (EAS), and custom scripts to improve efficiency and reduce manual work.
- Played a key role in interviewing and hiring for all positions on the front-end team, ensuring a strong and capable group of developers.
- Worked extensively with modern technologies, including but not limited to TypeScript, React Native, and Expo, to deliver high-quality user experiences across platforms that maintain a single codebase.
Technologies: React, React Native, Expo, Git, Node.js, EAS, REST, Webpack, HTML, CSS, JSX, Pivotal Tracker, JavaScript
Senior Front-end Engineer
2018 - 2020
Bitso
- Led the migration from a legacy PHP platform to a modern React SPA with real-time WebSocket integration, improving performance and user experience for over four million users.
- Scaled the front-end team from myself to over 10 engineers, establishing best practices, doing code reviews, mentoring developers, and driving technical direction.
- Designed and implemented a scalable front-end architecture using React, React Native, Redux, and REST APIs, optimized for high-traffic, real-time trading environments.
- Helped create a trading platform capable of supporting thousands of active users and updates per second, ensuring stability during high-volatility market surges.
Technologies: React Native, React, CSS, HTML, PHP, Java, Git, Jira, JavaScript
Senior Front-end Engineer
2016 - 2018
Grupo AliadaMX, S.A.P.I. de C.V
- Developed and maintained web and mobile applications using React, React Native, Ruby, and GraphQL.
- Built and launched mobile apps with React Native, enabling cross-platform functionality and streamlining the user experience.
- Contributed to the development of real-time service management features, enhancing operational efficiency and client satisfaction.
Technologies: React Native, React, GraphQL, REST, Flow, Jira, Webpack, React Apollo, React Redux, Ruby, Ruby on Rails 4
Co-founder & CTO
2015 - 2016
Barcito
- Designed and developed Barcito's entire tech stack, including a React Native-based and web app, as well as a Node.js/Express back end.
- Integrated real-time inventory and order tracking systems, ensuring timely deliveries and enhancing customer satisfaction.
- Implemented multiple payment solutions, supporting online credit card transactions and equipping delivery personnel with portable terminals for in-person payments, enhancing customer convenience and expanding payment flexibility.
Technologies: React, React Native, JavaScript, Webpack, HTML, CSS, Node.js, Express.js
Experience
Playbook App
https://helloplaybook.comA financial planning app designed to help high-income earners optimize their savings and investments through tax-advantaged strategies. The platform analyzed users' financial accounts to identify opportunities for maximizing tax benefits, aiming to accelerate their journey toward financial freedom.
The application was built using React Native and Expo, allowing for a unified codebase across web, mobile web, and iOS platforms. A custom CI/CD pipeline was developed using GitHub Actions and EAS, automating the build and deployment processes to expedite release cycles.
The application was built using React Native and Expo, allowing for a unified codebase across web, mobile web, and iOS platforms. A custom CI/CD pipeline was developed using GitHub Actions and EAS, automating the build and deployment processes to expedite release cycles.
Bitso Alpha
https://bitso.com/alphaBitso is the leading cryptocurrency exchange in Latin America, offering a platform for buying, selling, and trading digital assets. It supports a wide range of cryptocurrencies and provides services for both retail and institutional users. Bitso’s platform is designed for high performance and scalability, handling real-time data updates and large transaction volumes from over four million active users.
I was the first front-end developer and led the migration from a legacy PHP page to a modern and responsive React single-page application called Bitso Alpha. I designed the front-end architecture, implementing real-time updates via WebSockets, and ensuring the app could handle high traffic efficiently during high-traffic market surges. The tech stack included React, TypeScript, Redux, and a Java back end with a REST API.
I was the first front-end developer and led the migration from a legacy PHP page to a modern and responsive React single-page application called Bitso Alpha. I designed the front-end architecture, implementing real-time updates via WebSockets, and ensuring the app could handle high traffic efficiently during high-traffic market surges. The tech stack included React, TypeScript, Redux, and a Java back end with a REST API.
Barcito
https://apkpure.com/es/barcito-bar-a-domicilio/mx.barcito.barcitoBarcito was an on-demand alcohol and beverage delivery platform based in Mexico City. It allowed users to browse and order a curated selection of drinks through a web-based interface. The platform aimed to provide a seamless and efficient delivery experience for customers seeking convenience in accessing their favorite beverages.
Education
2008 - 2011
Bachelor's Degree in Computer Engineering
National Autonomous University of Mexico - Mexico City, Mexico
Skills
Libraries/APIs
React, Node.js, React Redux
Tools
Git, Expo, Webpack, JSX, Jira, Pivotal Tracker, Flow, React Apollo
Languages
TypeScript, JavaScript, HTML, CSS, PHP, SQL, Java, GraphQL, Ruby
Frameworks
React Native, Next.js, Ruby on Rails 4, Express.js
Platforms
Visual Studio Code (VS Code), MacOS, Linux
Paradigms
REST
Other
Security, Networking, Electrical Design, Microprocessors, EAS
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