Gustavo Zapata Quinonez, Developer in London, United Kingdom
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Gustavo Zapata Quinonez

Verified Expert  in Engineering

Full-stack Developer

Location
London, United Kingdom
Toptal Member Since
August 24, 2022

Gustavo is a senior full-stack developer specializing in web-based development, including eCommerce sites and fully responsive web platforms. He is skilled in JavaScript, Python, Redux, Git, Node.js, and React. He has eight years of experience building beautiful and robust websites and web apps for startups and enterprise-level organizations like Cisco, Ascential, and SHL. Gustavo is passionate about designing and engineering optimal digital solutions that offer a great user experience.

Portfolio

Campus
Go, React, JavaScript, Redux, Gin-Gonic, Squirrel, Node.js, Webpack, PostgreSQL...
Ascential
JavaScript, React, TypeScript, Node.js, Webpack, CircleCI...
Ubitech
JavaScript, React, Node.js, Express.js, MongoDB, Sequelize, SQL...

Experience

Availability

Part-time

Preferred Environment

Visual Studio Code (VS Code), MacOS, Git, Node.js, React, Redux, Linux, JavaScript, Web Development, MongoDB

The most amazing...

...software I've developed is a web-based application for Ness Digital that allows doctors and clinics to control and manage surgeries and surgical supplies.

Work Experience

Senior Full-stack Developer

2022 - PRESENT
Campus
  • Developed and implemented client and server-side features on a web-based communications platform using messaging, call, and video call services.
  • Designed user interfaces to meet the business requirements and architected a solution with performance and scalability in mind.
  • Improved the server application's codebase written in Go by refactoring the endpoints, controllers, and WebSockets.
Technologies: Go, React, JavaScript, Redux, Gin-Gonic, Squirrel, Node.js, Webpack, PostgreSQL, WebSockets, Visual Studio Code (VS Code), MacOS, Git, Agile CRM, Web Development, APIs, Docker, Agile, JSON Web Tokens (JWT), Web, Databases, Full-stack

Product Developer

2021 - 2022
Ascential
  • Developed and maintained digital solutions for hosting live events such as Cannes Lions Live, Money 20/20 US and Europe, and Digital Commerce Accelerator.
  • Built UI components with React and Styled Components using an in-house component library bootstrapped with Storybook.
  • Set up and spun up new platforms on AWS and implemented CI/CD using CircleCI.
  • Deployed multiple services and applications to different environments for user acceptance testing and the stakeholders.
Technologies: JavaScript, React, TypeScript, Node.js, Webpack, CircleCI, Amazon Web Services (AWS), Heroku, Storybook, Sitecore, Redux, GraphQL, Visual Studio Code (VS Code), MacOS, Git, Agile CRM, Web Development, APIs, Docker, Agile, HTML, CSS, Web, Gatsby, Netlify, Next.js, Digital Commerce, eCommerce

Full-stack Developer

2020 - 2021
Ubitech
  • Prototyped and redesigned a web portal for users to manage their players and visualize the statistics for therapeutic gaming for cerebral palsy patients.
  • Improved the existing server application written in Node.js and the Express framework.
  • Designed and developed the authentication method using JSON Web Tokens.
Technologies: JavaScript, React, Node.js, Express.js, MongoDB, Sequelize, SQL, Visual Studio Code (VS Code), MacOS, Git, Redux, Python, Networking, Business Analysis, Web Development, APIs, Amazon Web Services (AWS), Agile, JSON Web Tokens (JWT), HTML, CSS, Web, Databases, Full-stack

Software Engineer

2019 - 2020
Cisco
  • Integrated AppDynamics into an internal identity and access management system, wrapping all requests to have insights into users' activity within the system.
  • Developed and implemented new features into Cisco's OneID web platform using JavaScript, React, and Redux.
  • Contributed to the monthly releases of the software and helped the team with deployments to production.
Technologies: JavaScript, React, Redux, AppDynamics, Jenkins, Docker, Visual Studio Code (VS Code), MacOS, Git, Node.js, Agile CRM, Web Development, APIs, Amazon Web Services (AWS), Agile, JSON Web Tokens (JWT), CSS, Web

Web Developer

2018 - 2018
SHL
  • Designed and developed a client custom version of the Interview Guide Builder, a tool for creating interviews specific to job levels.
  • Built a customized version of the tool for clients such as American Express, Mercedes-Benz, Nomad Foods, Capitec South Africa, and Societe Generale Hong Kong.
  • Improved how clients add new content to the tool by creating an Excel file that emulates the actual website allowing users to easily add, remove, or change content.
Technologies: JavaScript, jQuery, APIs, Web Development, Visual Studio Code (VS Code), Git, HTML, CSS, Web, Databases

TwentyFiveStore | An eCommerce Web App

An eCommerce web app built from scratch with payments, emailing, and tracking services. I developed the client- and server-side applications. I also built the website with the Jamstack architectural approach connecting the platform to Contentful, a headless CMS.

UbiTheraPlay | A Web-based Application

https://app.ubitheraplay.com/
A web-based application used by therapists and clinicians to manage and track kids with cerebral palsy. I redesigned and developed the client-side application using React and Redux. I also worked on the server-side application written in Node.js and connected it to an SQL database.

Sewa by HelPal | A Web App for PayPal Hackathon 2019

A web application built and deployed during the 2019 PayPal hackathon in San Jose, California. A group of Cisco engineers participated in the PayPal Opportunity Hack 2019 and finished fourth after designing, developing, and deploying a web-based application to solve a problem faced by charity entities in California. I led the design and development processes for the client- and server-side applications.

Ness Digital | A Surgery Supplies Management App

https://app.nessdigital.co/
A web platform customized for clinics, suppliers, and doctors to control and manage the lifecycle of a surgery. I was the lead developer on both the client- and server-side applications and the lead DevOps engineer using AWS and CI/CD best practices.

Languages

JavaScript, HTML, CSS, Java, Python, PHP, SQL, TypeScript, GraphQL, Kotlin, Swift, Assembly, Go

Frameworks

Redux, Express.js, JSON Web Tokens (JWT), Next.js, Tailwind CSS, Gin-Gonic, Spring Boot, Django

Libraries/APIs

React, jQuery, Node.js

Paradigms

Agile

Platforms

MacOS, Web, Visual Studio Code (VS Code), Android, Docker, Linux, Amazon Web Services (AWS), Heroku, Raspbian, Raspberry Pi, Contentful, Netlify

Storage

Databases, MongoDB, PostgreSQL

Other

Agile CRM, Web Development, APIs, Full-stack, Big Data, Data Modeling, Networking, Business Analysis, Systems Analysis, Algebra, Storybook, WebSockets, Gatsby, Operating Systems, Computer Architecture, Hardware, Sitecore, Digital Commerce, eCommerce

Tools

Git, Jenkins, Sequelize, Webpack, CircleCI, AppDynamics, Squirrel, Mongoose

2017 - 2020

Bachelor's Degree in Computer Science

Kingston University London - London, United Kingdom

2016 - 2017

Access to Higher Education Diploma in Computer Science

Kingston College - London, United Kingdom

JUNE 2020 - PRESENT

Advanced React.js

Pluralsight

MAY 2020 - PRESENT

The Complete Node.js, Express.js, and MongoDB Bootcamp 2020

Udemy

JUNE 2019 - PRESENT

Learning Spring with Spring Boot

LinkedIn

MAY 2019 - PRESENT

M220JS: MongoDB for JavaScript Developers

MongoDB University

JANUARY 2019 - PRESENT

Agile Foundation Certificate

Agile Business Consortium

MAY 2018 - PRESENT

Physical Computing with Raspberry Pi and Python

FutureLearn

NOVEMBER 2017 - PRESENT

Google Developer Scholarship

Udacity

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