Rafael Bardini

Senior Frontend Developer

I'm a frontend developer in the Amsterdam Area, with a bachelor's degree in Computer Science from the University of São Paulo. Creator of Carteiro, a popular and highly-rated Android package tracking app in Brazil, as well as several open source projects.


Senior Frontend Developer

– Present

DEGIRO is an online broker that serves both individual and professional investors. It offers market access through a fast, high-performance online platform, and is currently operating in 18 countries.

  • Develop and maintain the trading client platform, with focus on navigation improvements.

  • Create an internal browser devtools extension to ease testing and debugging.

  • Manage product builds and deploys, coordinating cross-team version releases.

  • Streamline developer collaboration with code review guidelines and regular technical discussions.

Frontend Tech Lead


Travix is a global online travel company operating in 39 countries, helping thousands of people to find the best flights on a daily basis. With 5 brands and an extensive portfolio of 43 websites, it is a market leader in several countries and growing rapidly on all continents.

  • Automate pure frontend performance metrics collection and reporting using Lighthouse CI.

  • Organize a frontend performance guild to promote monitoring and optimization initiatives.

  • Improve designer-developer collaboration by integrating design tools and defining a workflow.

  • Develop flexible, interactive layout components with both responsive and adaptive support.

Senior Frontend Developer

  • Mentor individuals in and outside the company and technically led a product team through major development cycles.

  • Set up a new end-to-end testing solution with API mocking and snapshot testing based on TestCafe.

  • Improve the development workflow by automating release tasks and enforcing code quality on the CI level.

  • Write documentation and guidelines to formalize project conventions and help onboarding newcomers.

  • Contribute content to the company's official engineering blog.

Frontend Developer

  • Collaborate on the architecture and development of a new, dynamic frontend platform and component library using React and TypeScript.

  • Become a core maintainer of open source Travix projects like UI Kit component library and FrintJS modular framework.

  • Improve the frontend monitoring tool to collect performance and bundle size metrics for the flight results page using Google BigQuery.

  • Implement a responsive seat map user interface for aircraft seat selection, increasing cross-sell revenue.

  • Replace an existing end-to-end testing platform with a faster and more reliable solution based on WebdriverIO.

Software Developer


Daitan provides full lifecycle software product development, software product maintenance and software quality assurance services to leading global technology companies.

  • Maintain the enterprise contact center solution of a cloud communications company headquartered in the Silicon Valley.

  • Execute, debug and fix test cases and report defects of an automated regression testing tool from a UK-based telecom company.

  • Develop the web and Android versions of a user portal for students, parents, teachers and schools for a Brazilian education network.

Software Development Intern

  • Develop the browser-based, MMO version of a popular German-style strategy board game.

  • Work on the HTML5 version of a fast-paced, multiplayer card game of gladiatorial combat.




– Present
Creator and Maintainer

An interactive scratch off map. Keep track of which places you have been, how much of the world you have conquered, and where to go next.

Storybook Playroom Addon

– Present
Creator and Maintainer

Design with Playroom inside Storybook, using each story source as a starting point.


– Present
Creator and Maintainer

A beautifully designed, free Android package tracking app for the Brazilian postal service.


Daitan Recognition Award

Awarded by Daitan

Daitan Recognition Award

Awarded by Daitan


Web development

  • JavaScript
  • TypeScript
  • React
  • Redux
  • styled-components
  • Next.js
  • Babel
  • Webpack
  • Jest
  • Node.js
  • npm
  • HTML
  • CSS
  • Sass
  • MongoDB

Mobile development

  • Android SDK
  • Java
  • Kotlin
  • Firebase
  • Supabase



Fluent speaker


Native speaker



  • Usability
  • Accessibility
  • Typography
  • User experience

Academic disciplines

  • Astronomy
  • Biology
  • Physics
  • Mathematics
  • History
  • Philosophy