Guilherme

Frontend Engineer Canada
10 yrs experienceEnglish Fluent
Skills
Next.js7yTypescript6yReact.js7y
Secondary skills
UxGitPythonJavascriptReact Native
Experience
Full Stack Engineer
Dec 2023 – Present
Lead the front-end architecture for the Sistema Integrado de Gestão e Acompanhamento de Processos (SuperSIGA) using Next.js 16 and Zod to manage complex legal workflows. Enforced rigorous code quality and maintained automated CI/CD pipelines within GitLab using SonarQube and strict ESLint rules to minimize technical debt. Engineered an automated Python ETL ecosystem, HarpIA, for the Attorney-General’s Office using SQLAlchemy and Apache Airflow, reducing data processing time from hours to minutes. Architected data-fetching and caching layers utilizing TanStack Query, optimizing API interactions and reducing payload overhead by approximately 30 per cent. Developed the successful digital transformation of 'Novo Promoção,' a nationwide legal platform, by migrating the system from a [contact hidden] infrastructure to Next.js 15, reducing technical debt by 60 per cent and accelerating critical legal workflows.
ApacheApiArchitectureCi/cd AutomationData ProcessingDigitalEslint.netAirflowGitlabNext.jsPythonSonarqubeSqlalchemy
Frontend Engineer
Sep 2022 – Nov 2023
Co-engineered the Performance Management System (PGD 2.5) for the Attorney-General’s Office, utilizing React and Next.js 13 to support remote work policies for over 10,000 public servants. Refactored legacy PHP front-ends into modular React components, accelerating feature delivery by reducing prototyping time from one week to two days. Developed front-end components for the 'AGU.Legis' C# system using Blazor and MudBlazor, centralizing over 30 years of legislative publications for public access. Partnered with UX designers to translate high-fidelity wireframes into responsive interfaces, maintaining 100 per cent design fidelity.
UxPhpReact.jsNext.jsBlazorC#
UI/UX Designer
Sep 2018 – Sep 2022
Modernized internal systems using HTML5, CSS3, and TypeScript, extending the lifespan of critical government software dating back to the early 2000s. Designed high-fidelity prototypes for the 'App Escola da AGU' mobile and desktop app, facilitating event registration for 11,000 members.
Typescript
UI/UX Designer
Apr 2015 – Sep 2018
Led UI/UX design and interaction patterns for the Banco do Brasil mobile application (50M+ downloads), focusing on user retention and visual identity across iOS, Android, and Windows Phone operating systems. Developed complex banking interfaces using Axure RP and Figma, validating design decisions through A/B testing and user research.
UI/UXUser ResearchWindowsFigmaOperating SystemsIosAndroid
Education
Systems Analysis and Development Technology
Faculdade de Ensino Superior Cathedral · Nov 2010 – Jan 2013
Certificates
Associate Cloud Engineer Certification
Google · 2028
Side projects
A1Z26 - O Enigma do Sol Oculto
Jul 2022 – Jul 2022
Digital Game Development Postgraduate Thesis: Leitmotif, Sound Design, Horizontal Re-sequencing & Vertical Re-orchestration: An Introduction to Narrative in Music
Jun 2022 – Jan 2023
QMK Contributions on CRKBD and BM40v2
May 2022 – Jun 2022
CØЯЯuptΞd cØding дЯt
Feb 2022 – Mar 2022
Come Out Fighting
Jul 2020 – Aug 2020
Westworld Scoring
May 2020 – May 2020
Documentary short film "Liberte-se" (2017)
May 2017 – May 2017
Cthulhu Ate My Soldiers
Aug 2014 – Aug 2014

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