Celio S.
Front-end UX Engineer

Skills

Node.js

React Native

Apollo Graphql

Dynamodb

Firebase Realtime Database

Javascript

Mongodb

Microsoft Azure

Amazon Aws

React

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Bio

A Fullstack and Mobile Developer with over two years of expertise in JavaScript development, encompassing both mobile and fullstack projects, as well as infrastructure management. Engagements have included high-traffic application development, notably in the private taxi service sector. Proficient in functional programming and Object-Oriented Programming (OOP), with extensive knowledge of React, React-Native, Node.js, MySQL, C#, PHP, and JavaScript. Areas of interest include application scalability, infrastructure optimization, adherence to best development practices, and methodologies such as Test-Driven Development (TDD) and Behavior-Driven Development (BDD).

Frontend developer
9/30/2021 - 4/30/2022

Developed and maintained the visual construction of multiple mobile applications, ensuring responsive and intuitive user interfaces. Utilized React.js to build performance-optimized, scalable websites with a focus on modern design principles. Gained proficiency in advanced front-end frameworks and tools, including Redux for state management and Webpack for module bundling. Leveraged CSS-in-JS libraries such as styled-components to enhance component styling. Demonstrated expertise in RESTful APIs integration and efficiently handled data fetching using Axios and Fetch API. Applied best practices in code versioning and collaborative development through Git and GitHub. Consistently adhered to accessibility standards and performed rigorous cross-browser testing to ensure a seamless user experience across various devices and platforms.
Mobile/Fullstack Developer
11/30/2019 - 9/30/2021

Developed hybrid systems encompassing mobile applications, APIs, databases, and cloud infrastructure. Acquired full stack development expertise utilizing Node.js, Express, React, MySQL, React Native, and Firebase.
React Developer
9/30/2018 - 11/30/2019

Developed components in React utilizing styled-components to ensure modular and reusable styling. Consumed APIs built with GraphQL to facilitate efficient data retrieval and manipulation. Performed comprehensive code reviews to maintain high code quality and consistency. Executed rigorous tests to ensure functionality, reliability, and performance of the developed features.