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.

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.

  • Automated pure frontend performance metrics collection and reporting using Lighthouse CI.
  • Organized a frontend performance guild to promote monitoring and optimization initiatives.
  • Improved designer-developer collaboration by integrating design tools and defining a workflow.
  • Developed flexible, interactive layout components with both responsive and adaptive support.

Senior Frontend Developer

  • Mentored 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.
  • Improved the development workflow by automating release tasks and enforcing code quality on the CI level.
  • Wrote documentation and guidelines to formalize project conventions and help onboarding newcomers.
  • Contributed content to the company's official engineering blog.

Frontend Developer

  • Collaborated on the architecture and development of a new, dynamic frontend platform and component library using React and TypeScript.
  • Became a lead maintainer of open source Travix projects like UI Kit (a component library) and Frint (a modular JavaScript framework).
  • Improved the frontend monitoring tool to collect performance and bundle size metrics for the flight results page using Google BigQuery.
  • Implemented a responsive seat map user interface for aircraft seat selection, increasing cross-sell revenue.
  • Replaced 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.

  • Maintained the enterprise contact center solution of a cloud communications company headquartered in the Silicon Valley.
  • Executed, debugged and fixed test cases and report defects of an automated regression testing tool from a UK-based telecom company.
  • Developed the web and Android versions of a user portal for students, parents, teachers and schools for a Brazilian education network.

Software Development Intern

  • Developed the browser-based, MMO version of a popular German-style strategy board game.
  • Worked on the HTML5 version of a fast-paced, multiplayer card game of gladiatorial combat.


Universidade de São Paulo

Computer Science

Bachelor's degree with emphasis in web development.

  • SCC0263 - Web Programming Techniques
  • SCC0265 - Interactive Web Systems
  • SCC0266 - Design Patterns in Web Development



– Present
Creator, Maintainer

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

  • Featured in the Google Play Store with 550,000+ installs and 4.5 ★ rating.
  • Embedded into LG smartphones following a government incentive program for national mobile applications.


Daitan Recognition Award

Awarded by Daitan

Daitan Recognition Award

Awarded by Daitan


Web development

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

Mobile development

  • Android SDK
  • Java
  • Kotlin
  • Firebase



Fluent speaker


Native speaker



  • Usability
  • Accessibility
  • Typography
  • User experience

Academic disciplines

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