About
Senior Full-Stack Developer with 7+ years of experience building scalable applications with .NET, Go, Node.js, and modern frontend frameworks. I have built systems for public institutions and education networks in Brazil, with a strong focus on performance optimization and reliable architectures.
Experience
Confidential
Mar 2025 - Present- Integration with tax authority APIs (SEFAZ SC/RS) and SIEG for automated invoice downloading, including captcha breaking, web scraping, and bulk downloading of inbound and outbound invoices across multiple government portals.
- Digital certificate handling, reverse engineering of competitor platforms, and POCs for IP rotation. The same Electron client app also handles invoice upload and download automation on the client machine.
Hammer - Consult
Dec 2023 - Oct 2025- Senior developer in an internal ecosystem of the Public Prosecutor's Office of Minas Gerais (MPMG), responsible for critical systems used daily by thousands of users, including public-facing services for civil service exams.
- Improved performance of internal services by over 40% through SQL Server query optimization, index tuning, and restructuring data flows across microservices.
- Reduced operational costs by migrating legacy infrastructure to containerized solutions with Docker and Kubernetes.
Ponto iD Technology
Nov 2022 - Nov 2023- Lead developer of a new product (Mapa Educacional) for the public education network, using Angular 15, TypeScript, .NET 6.0, and MySQL. Contributed directly to the on-time launch of the first functional version.
- Reduced page load times by up to 30% through MySQL query optimization and Dapper integration. Improved background job stability with Hangfire, Redis, and RabbitMQ.
GVDASA
Apr 2022 - Dec 2022- Developed features and maintained a hybrid mobile app (Android/iOS) across two platform versions: Ionic 6 + React and Ionic 1 + AngularJS.
- Optimized backend endpoints in .NET Framework + Entity Framework 6, reducing response times by up to 25% in high-traffic flows.
Senior Globaltec S/A
Oct 2019 - Aug 2022- Maintained and refactored legacy systems in VB6 and VB .NET. Implemented the new ERP version in C# with MVVM architecture, improving code organization and reducing recurring errors.
Education
Postgraduate in Mathematics
Systems Analysis and Development
Technologies
Core technologies I work with daily and tools I have production experience with:
Languages
Frameworks
Databases
Infrastructure
DevOps
Operating Systems
Architecture & Patterns
Legacy
Open Source
Active contributor to the open source community, especially in the Vim/Neovim ecosystem:
Aesthetic and complete Neovim configuration focused on productivity and visual appeal.
Aesthetic Hyprland configuration with enhanced UI and workflow optimizations.
Personal development environment with dotfiles, shell configs, and system preferences.
This website, built with SvelteKit, Tailwind CSS, and PixiJS for interactive visualizations.
Connect
Interested in working together? Feel free to reach out.