Selvio Perez Vergara, Developer in Barranquilla - Atlantico, Colombia
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Selvio Perez Vergara

Verified Expert  in Engineering

Frontend Developer

Location
Barranquilla - Atlantico, Colombia
Toptal Member Since
May 27, 2020

Selvio is an entrepreneur and software developer with more than six years of experience in front-end development and in-depth knowledge of HTML, CSS, and JavaScript. He has developed apps that have transformed how students learn, built templates for Shopify and WordPress projects, and a restaurant app with React Native, improving customer loyalty and the company's bottom line. With degrees in electronic engineering and project management, he brings a well-rounded set of skills to projects.

Portfolio

ASU Prep Digital (via Toptal)
JavaScript, React, Redux, CSS, HTML
Alef Education
Cypress, Webpack, CircleCI, Node.js, TypeScript, GraphQL, React
Trustworthy (via Toptal)
Redux, Auth0, REST, Styled-components, React

Experience

Availability

Part-time

Preferred Environment

Toggl, Zoom, Trello, Jira, Slack

The most amazing...

...project I've contributed to is an educational platform for schools in the Middle East that entirely transformed the way students learn.

Work Experience

Senior Front-end Engineer

2021 - PRESENT
ASU Prep Digital (via Toptal)
  • Develop an app that allows students to learn autonomously and didactically through interactive activities and engaging content.
  • Creates a React app that allows a scalable and maintainable way to display content created by teachers.
  • Collaborate with other developers for platform maintenance as well as bug fixes.
Technologies: JavaScript, React, Redux, CSS, HTML

Senior Front-end Engineer

2017 - 2022
Alef Education
  • Created scalable, maintainable, and reusable React components.
  • Developed and maintained a styles management system that worked across multiple platforms.
  • Connected front-end apps with GraphQL gateways for consuming back-end data.
  • Collaborated with other developers and designers and created UI designs to ensure the delivery of a high-quality user experience.
  • Fixed bugs and performed legacy code refactoring and POC elaboration to explore potential improvements.
Technologies: Cypress, Webpack, CircleCI, Node.js, TypeScript, GraphQL, React

Senior Front-end Engineer

2020 - 2021
Trustworthy (via Toptal)
  • Created a React app to keep important documents secure and in one place.
  • Built multiple elegant and user-friendly multi-step forms using React.
  • Participated in peer code reviews and mentored other developers.
  • Collaborated with the UI team, converted mock-ups, and offered advice on accessibility and consistency with the rest of the application.
Technologies: Redux, Auth0, REST, Styled-components, React

Senior Front-end Engineer

2020 - 2020
Talli
  • Developed an eCommerce platform integrating React and WordPress using a GraphQL API in Node.js.
  • Implemented all platform views from scratch based on designs provided in Sketch.
  • Created reusable components that reflected provided designs and became the core of the application.
  • Provided ongoing support to the client, keeping the website secure, optimized, and updated.
Technologies: Node.js, GraphQL, React

Front-end Engineer

2016 - 2017
Koombea, Inc.
  • Developed and maintained Angular, React, and React Native apps.
  • Built and implemented templates for Shopify themes, Ruby on Rails views, and WordPress projects.
  • Developed the design and implementation of internal products.
  • Implemented visual and interactive elements that users engage with through their web browser when using a web application.
Technologies: JavaScript, jQuery, React

Strivehub

https://portal.strivehub.com
A physiotherapy mobile app where users can schedule and find videos with exercises that adjust according to their needs. This app was created using React Native and an existing REST back end developed by the client.

Modacta

https://modacta.com
A web app for sharing, sorting and classifying articles with your team. This web app was created using Angular as a front-end framework and Ruby on Rails on the back end. We developed exciting new features, such as real-time, refreshing article annotations.

Return App

Return is an app for restaurants to improve the loyalty of their customer. This project was created using React Native and Firebase. I worked on the front end, implementing the views and all required functionalities to ensure the app worked properly.

Languages

JavaScript, CSS, HTML, HTML5, CSS3, TypeScript, GraphQL

Frameworks

Redux, Next.js, Cypress

Libraries/APIs

React, jQuery, Node.js

Tools

Trello, Jira, Webpack, Auth0, Slack, Zoom, Toggl, CircleCI

Other

Sketch to HTML, XD to HTML, Styled-components

Paradigms

REST

Platforms

Firebase

2012 - 2013

Master's Degree in Project Management

Universidad del Norte - Barranquilla, Colombia

2006 - 2011

Bachelor's Degree in Electronic Engineering

Universidad del Norte - Barranquilla, Colombia

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