Cezar A.

Cezar A.

Rio de Janeiro, Brazil
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About Me

Cezar is a Lead JavaScript Developer proficient with the latest JavaScript standards and 10+ years of experience delivering web apps, dApps, desktop apps, browser extensions, and CLI tools on projects. He is familiar with processes to fill the gaps throughout the dev cycle to ensure solutions meet business and functional objectives - generating clean, scalable code that will not alter the presentation across supported browsers, operating systems, and devices.

Frontend

Backend

Other

Work history

UpStack
UpStack
Lead JavaScript Developer
2023 - Present (2 years)
Remote
  • Creating and developing innovative JavaScript-based software solutions for clients across a broad range of industries.

  • Participate in scrums consisting of cross-functional teams, both software and hardware.

  • Ensure that features are being delivered efficiently and on-time.

everwave
everwave
Lead Developer
2021 - Present (4 years)
United States of America
  • Designed, developed, and implemented the everwave dApp from scratch using the client's product specification.

  • Built and executed a custom Next.js solution to handle Solana wallet authentications on the platform.

  • Managed processes to deliver the web app and dev management portal for everwave.

Freelance
Freelance
Senior Fullstack Developer
2020 - 2021 (1 year)
Remote
  • Acquired and interpreted business requirements, created functional specifications and determined appropriate technologies to deliver solutions.

  • Worked with clients to plan new features, gather requirements, suggest solutions, and support the app lifecycle on projects.

  • Maintained and modified solutions, approved changes by amending application documentation, producing detailed programming logic, and coding changes.

Brave Software
Brave Software
Senior Software Engineer
2016 - 2020 (4 years)
San Francisco, United States of America
  • Led processes to deliver a new React component library across several company products.

  • Worked on the internal pages for the desktop browser and executed Brave's native ad-blocker browser extension.

  • Oversaw processes to migrate the legacy frontend on the Electron app to Chromium - delivering a clean, crisp UI for users.

Freelance
Freelance
Web Developer
2012 - 2016 (4 years)
Brazil
  • Developed and shipped new websites, web applications, and e-commerce sites using modern web-based programming languages.

  • Supported website planning and deployment to maintain functioning, user-accessible web solutions for clients.

  • Identified and fixed complex bugs and defects on solutions.

Showcase

Senior Developer - Brave Browser
Senior Developer - Brave Browser
  • Developed a new tab page for the browser.

  • Implemented an extension for native ad blocking and browser-based internal pages.

  • Increased monthly user base from 25k to 36M.

Core Maintainer - Frontend Interview Questions
Core Maintainer - Frontend Interview Questions
  • Developed and maintained a website using a static site generator.

  • Engaged with community requests and feedback to improve software solutions.

  • Collaborated with a global network of individuals to deliver high-quality software.

Core Community Organizer and Lead Maintainer - React.js Globalization
Core Community Organizer and Lead Maintainer - React.js Globalization
  • Translated React.js Globalization content for the pt-br language.

  • Led a team of 25 collaborators to achieve 100% translation completion.

  • Influenced other projects to adopt governance practices through this effort.

Education

BSc. Computer Science
BSc. Computer Science
University of London
2012 - 2016 (4 years)