Isabel Rubim

Front-end Engineer

Summary

Front-end Engineer with 5+ years of experience delivering scalable, high-performance web applications. Expertise in designing and developing Single Page Applications (SPAs) using React.js, Next.js, and micro-frontend architectures. Proven ability to lead front-end projects, mentor developers, and drive user-focused innovations that improve customer satisfaction and team productivity.

Professional Experience

PagBank — Front-end Engineer

Aug 2022 – Present | Remote

  • Spearheaded the migration of a monolithic front-end into a micro-frontend architecture, improving deployment cycles by 80% and enabling independent development for 10+ product teams.
  • Delivered robust, production-grade SPAs using React.js, Next.js, SCSS, and Node.js, with a focus on reusability and maintainability.
  • Collaborated with cross-functional teams (design, backend, and product) in Agile environments, implementing features that boosted customer satisfaction metrics by 20%.
  • Acted as a technical mentor, leading code reviews, providing architectural guidance, and ensuring adherence to best practices.

Compass.uol — Front-end Engineer (PagBank contractor)

Jun 2021 – Jul 2022 | Remote

  • Integrated into PagBank’s core front-end team, quickly delivering impactful features and gaining recognition for technical excellence.

Qconcursos.com — Front-end Engineer

Sep 2020 – Jun 2021 | Remote

  • Developed and optimized interactive landing pages using Svelte, React.js, and Tailwind CSS, reducing page load times by 25%.
  • Delivered "pixel-perfect" implementations of complex designs across various platforms, enhancing UX consistency.
  • Partnered with marketing teams to create dynamic web experiences that increased conversion rates.

Blueway Capital — Software Developer Intern

Oct 2019 – Aug 2020 | Hybrid

  • Designed and implemented a multi-site login system using Angular and Firebase.
  • Built web scraping pipelines with Puppeteer to collect actionable data for NGO matchmaking platforms.
  • Delivered UI/UX prototypes with Figma and integrated them into production, ensuring a seamless user experience.

Education

Pontifícia Universidade Católica de Goiás

Bachelor’s in Computer Engineering

2016 – 2021

Developed a facial recognition and georeferencing project using Azure Cognitive Services and Firebase, resulting in a successful real-world application for social impact initiatives.

Notable Projects

  • Micro-frontend Transition (PagBank): Re-architected the front-end ecosystem, allowing faster feature deployment and improving overall application reliability.
  • Translate Transactional E-mail (PagBank): Developed an automated system translating over 600 transactional e-mails, improving global communication efficiency.