Romulo Cintra

Porto, Portugal

Join Prog.AI to see contacts

Summary

🤩

Rockstar

🎓

Top School

Romulo Cintra is a web-focused software engineer with a decade of experience building modern JavaScript applications, Progressive Web Apps and Web Components from Porto, Portugal. He contributes to high-impact open source projects—adding ECMAScript Intl tests to the official tc39/test262 suite—and has enhanced tooling like xlayers to improve design-to-code workflows and Web Component exports (including LitElement and StackBlitz support). A curious lifelong learner and community-minded developer, he blends hands-on front-end engineering with QA/test automation discipline to ensure robust cross-browser behavior. His background includes international study in Poland and a formal degree from Instituto Politécnico de Bragança, reflecting a mix of practical and academic grounding.

10 years of coding experience

Licenciatura, Licenciatura at Instituto Politécnico de Bragança

Erasmus, Erasmus at Warsaw University of Technology

Spanish, English, Portuguese

Github Skills (11)

lit-element10

javascript10

web-components10

stencil10

testing10

ui-design9

html9

typescripts8

typescript8

typescript-types8

css7

Programming languages (10)

TypeScriptBikeshedC++CSSSCSSJavaScriptHTMLJSON

Github contributions (5)

tc39/test262

Dec 2021 - Sep 2022

Official ECMAScript Conformance Test Suite

Role in this project:

QA Engineer / Test Automation Engineer

Contributions:46 reviews, 20 commits, 18 PRs in 9 months

Contributions summary:Romulo primarily contributed to the `tc39/test262` repository by adding and updating test cases for the ECMAScript (JavaScript) test suite. Their work focused on verifying the behavior of the `Intl.NumberFormat` and `Intl.DurationFormat` objects, specifically testing features like `formatRange`, `formatRangeToParts`, and the handling of invalid inputs and style options. The user's commits involve changes to test files, incorporating new test scenarios, and ensuring the test suite's comprehensive coverage.

javascriptconformancetc39typescripttests

xlayers/xlayers

Jan 2019 - Feb 2019

✨ Generate code from your design

Role in this project:

Front-end Developer

Contributions:9 commits, 2 PRs, 18 comments in 1 month

Contributions summary:Romulo primarily focused on enhancing the "xlayers" project's web component generation and export features, specifically for Web Components and StencilJS integrations. They implemented support for custom dependencies and added functionality for LitElement, alongside updates to documentation and the overall export process. The user also added the necessary code for including the web components within a Stackblitz environment.

xlayersproductivitysketchappdesigncode-generate

Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.

Request Free Trial