Web Developer Frontend

LEONEL OLIVEIRA

FRONTEND DEVELOPER / WEB DEVELOPER

https://leo-frontend.netlify.app ************@*****.*** +1-647-***-**** https://www.linkedin.com/in/leonel-oliveira https://github.com/leoneloliver SUMMARY

FRONTEND DEVELOPMENT REACT DEVELOPMENT UI DEVELOPMENT WEB DEVELOPMENT Web Developer with 5 years of experience specializing in front-end and web development across diverse industries. Expertise in modern web technologies and Agile methodologies, with a robust foundation in TypeScript and JavaScript, complemented by proficiency in front-end and back-end frameworks such as React, Next.js, Tailwind, Headless CMS and GraphQL. Demonstrated success in Frontend / UI development and architecture, delivering scalable web applications that enhance user experiences. Dedicated to innovation, teamwork, and continuous learning, with a proven ability to drive projects to success and mentor emerging talent in fast-paced environments. TECHNICAL SKILLS

Front-End Development: React, TypeScript, JavaScript, Tailwind, HTML, CSS, jQuery, KendoUI, Bootstrap, Material UI

Back-End Development: NEXT.js, Node.js, GraphQL, RESTful APIs, Firebase, Headless CMS, Ajax, PHP, MySQL

Tools: GIT, GitHub, Bitbucket, Gitlab, NPM, Webpack, Cypress, Jest, (RTL) React Testing Library DevOps & Cloud: AWS, Continuous Integration/Continuous Deployment (CI/CD), Netlify, Vercel, Docker WORK EXPERIENCE

1Password 05/2024 - Present

Frontend Developer (Contractor)

● Collaborating with the Web Engineering Team on the CMS Migration Project using React, Next.js, Typescript, Tailwind, GraphQL, Contentful.

● Create reusable components according to requirements, ensure they meet all acceptance criteria, participate in daily stand-ups and sprints, and collaborate with other engineers, QA, and designers to ensure high-quality delivery.

● Part of my workday involves ensuring code quality and compliance with linting standards, writing tests, opening pull requests, conducting code reviews, and overseeing code integration and pipeline processes.

Technologies: React, NextJS, GraphQL, TypeScript, JavaScript, Contentful, Node.js, CI/CD, AWS, npm, sass, Webpack, Tailwind, RESTful API, Git, GitHub, Netlify Volaris Group 02/2022 – 03/2024

Frontend Developer

● Developed an in-house tool/system (Site Builder) as a service for the marketing team, replacing third-party services.

● Spearheaded the development of a headless content platform.

● Conducted code reviews, performed end-to-end testing with Cypress.

● Collaborated with Engineers, UX experts, and Designers to enhance tools, contributing significantly to improving products and user experiences.

● Built robust endpoints for the website builder, using elementAPI in Craft CMS(PHP), integrating dynamic routes and content rendering on the frontend to enhance platform functionality and performance.

Technologies: React, NestJS, GraphQL, TypeScript, JavaScript, Contentful CMS, Node.js, Docker, CICD, AWS, npm, sass, Tailwind, Bootstrap, RESTful API, Git, GitHub, Vercel Klick Health 04/2021 – 02/2022

Frontend Developer

● Developed impactful web applications, prioritizing responsiveness, performance, and accessibility to deliver engaging user experiences.

● Developed a library of reusable components, increasing the speed of development and enabling the team to meet more work demands, resulting in higher customer satisfaction.

● Designed and coded landing pages within our CMS, contributing to a cohesive user journey and increased engagement.

● Enhanced the user experience and performance of an internal tool, which was built on Ruby on Rails and .NET for the backend. Provided endpoints to the ReactJS and Next.js frontend, thereby improving functionality and efficiency. Technologies: React, JavaScript, Ruby on Rails, HTML, CSS, npm, sass, Bootstrap, RESTful API, Git DMZ Ryerson 03/2020 – 04/2021

Front End/UI Developer

● Responsible for creating prototypes with elegant interfaces that helped startups get investors through the acceleration program.

● Created responsive and reusable front-end components, emphasizing maintainability and innovation.

● Streamlined workflow with cutting-edge tools for efficient project delivery.

● Excelled as a developer, helping colleagues and promoting collaboration. Technologies: React, JavaScript, ES6, HTML5, CSS3, Wordpress, npm, sass, Bootstrap, RESTful API, Git, GitHub Lendified 07/2019 – 03/2020

Front End/UI Developer

● Developed a dynamic user journey that increased the conversion funnel.

● Responsible for designing, developing, testing, deploying, and maintaining high-quality software systems.

● Developed web applications and APIs that precisely met user needs in a dynamic tech landscape.

● Focused on developing, debugging, and optimizing code and components using React and Next.js frameworks, resulting in tangible outcomes.

● Operated seamlessly within local and remote teams in the fast-paced startup ecosystem. Technologies: React, JavaScript, Node.js, Firebase, HTML5, CSS3, npm, SASS, Bootstrap, RESTful API, Git EDUCATION

Diploma in Internet Systems Technology, FIAP, São Paulo, Brazil (2006 – 2008) ( verified ) Bootcamp Javascript Development, Juno College of Technology - Canada (2018)

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