1. 2011
    Betalabs

    Intern Developer

    Built ERP modules for social integrations, gaining first production PHP/SQL experience.

    Main tech
    • HTML5
    • CSS3
    • JavaScript
    • PHP
    • jQuery
  2. 2012
    Centesimo

    Junior Front-end Developer

    Built Kinect-based games and HTML5/Flash experiences at Centesimo, including a gamified training platform.

    Main tech
    • HTML5
    • CSS3
    • JavaScript
    • ActionScript
    • PHP
    • Kinect SDK
  3. 2014
    Verios

    Junior Software Engineer

    First frontend engineer at Brazil's first robo-advisor; equity participant until the Easynvest acquisition.

    Main tech
    • SASS
    • JavaScript
    • React
    • D3.js
    • Express
    • Node.js
  4. 2015
    Locaweb

    Software Engineer

    Worked on Locaweb's drag-and-drop website builder serving a large B2C platform.

    Main tech
    • HTML5
    • LESS
    • JavaScript
    • Ember.js
    • Ruby on Rails
  5. 2016
    Huge

    Software Engineer

    Built the design system used by a 15-developer remote team on redesigns for Itaú and Banco Popular Dominicano.

    Main tech
    • HTML5
    • SASS
    • JavaScript
    • React
    • Vue.js
    • Webpack
  6. 2017
    Convenia

    Senior Software Engineer

    Migrated a 100k+ LOC PHP platform to a Vue SPA a tenth of its size, then hired and led the team for the second product.

    Main tech
    • SASS
    • JavaScript
    • PHP
    • Vue.js
    • Laravel
  7. 2018
    NeoPag

    Senior Software Engineer

    First and only front-end engineer, built everything from scratch until launch.

    Main tech
    • JavaScript
    • Elixir
    • Vue.js
    • Phoenix
  8. 2018
    a55

    Founding Engineer

    First technology hire, building Brazilian fintech infrastructure from zero.

    Main tech
    • JavaScript
    • TypeScript
    • Python
    • Vue.js
    • Django
  9. 2021
    a55

    Senior Software Engineer

    Major business pivot, from SME loans to payment orchestration and infrastructure. Expanded team and tech stack.

    Main tech
    • JavaScript
    • TypeScript
    • Python
    • Vue.js
    • Nuxt.js
    • Flask
  10. 2022
    a55

    Staff Software Engineer

    Leading technical strategy and development for payment orchestration for global markets.

    Main tech
    • LLMs
    • RAG
    • JavaScript
    • TypeScript
    • Python
    • Vue.js
    • Nuxt.js
    • Flask
  11. 2026
    Highticket

    Forward Engineer

    Rebuilding the marketing funnel and admin platform of a US education SaaS, from edge routing to analytics.

    Main tech
    • TypeScript
    • React
    • Astro
    • Cloudflare Workers

Rafael Abensur

Staff software engineer · payments infrastructure · AI applications

Staff software engineer with 15 years of experience building payment infrastructure and web applications.
Currently building AI-powered products at Highticket; partner and founding engineer at a55.

  • Sao Paulo, Brazil
  • Portuguese, English, Spanish

Selected Work

A few things I'm proud of across open source, experiments, and product work.

Web App

Pinle

Daily geography game: world news become the puzzle, with live heatmaps.

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VS Code Extension

BR Tax ID Generator

VS Code extension to generate Brazilian tax IDs on demand.

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Workflow

AI GitHub Activity Digest

An AI + GitHub workflow that summarizes activity into a digest.

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NPM Package

zod-br-tax-id

NPM package with type-safe helpers for Brazilian tax IDs.

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CLI Tool

Etiquette CLI

CLI that stars your dependencies repositories on GitHub.

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CodePen Pen

Deviation Chart

Wallet deviation chart experiment using D3.js.

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CodePen Pen

Pocker Mortys dataviz

Interactive data visualization playground.

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CodePen Pen

Polar Agenda

A circular calendar experiment made with pure Javascript

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Web App

Supermon Cardgame

A card creator based on Top Trump.

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Web App

Tera Raid Companion

A raid companion app for Pokémon Scarlet & Violet.

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Writing

O Pantalogos de Heraclito

Academic writing on Heraclitus and the meaning of logos.

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Favorite

Learning to See

A love letter to our profession.

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Favorite

Design is a Search Problem

Great talk about design by Mike Bostock

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Favorite

The Future of Programming

Bret Victor about dogmas, authority and tradition.

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Favorite

Plain Text

Dylan Beattie on the power of plain text.

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