Hello, world

Between client meetings, war rooms, and the inevitable adrenaline rush that comes with production database updates, I currently build solutions for major Brazilian energy companies. Always open to exchanging ideas, building connections, and talking about technology.

Experience

9 years
  • Radix: working as a senior full stack engineer on projects for major Brazilian energy companies, including Eletrobras, Neoenergia, CPFL, ISA CTEEP, Norte Energia, Celanese, Enel, and Energisa, using C#, .NET, Angular, React, SQL Server, PostgreSQL, and Azure. Focused on architecture, performance, and scalability, including optimization of high-volume databases (100M+ records).
    • November 2022 - Present
    • Senior
    • Remote
  • Research and Planning Institute: developed and enhanced systems using C#, .NET, React, SQL Server, and MySQL, including a mission-critical citizen service platform used citywide by São José dos Campos (São Paulo) to manage public requests and municipal services, requiring high availability and 24/7 operation.
    • May 2021 - October 2022
    • Mid-level
    • Remote
  • Apolo: worked on the development and evolution of the MES platform for a major Brazilian manufacturer of pipes for the oil and gas industry. The application was mission-critical and supported the company's entire manufacturing operation. Technologies included C#, Delphi, and MySQL; along with internal support and IT infrastructure activities.
    • May 2017 - May 2021
    • Intern
    • Junior
    • On-site

Personal projects

  • Orquestra · Micro-SaaS: management system for appointments, clients, and services, featuring CRM, dashboards, service orders, auditing, and external integrations. GitHub
    • SaaS
    • .NET 10
    • React
    • Next.js 16
    • RabbitMQ
    • PostgreSQL
    • 700+ tests
  • AnheuOS · Windows 11 Clone: functional Windows 11 clone featuring login, browser, file explorer, widgets, Spotify, and several interactive features.
    • React
    • Next.js
    • TypeScript
    • SCSS
    • Portfolio
    AnheuOS · Windows 11 Clone 1
    AnheuOS · Windows 11 Clone 2
  • Bulk.Sql · NuGet Package: a NuGet package for bulk insert operations in .NET applications, focused on performance and simplicity. GitHub
    • C#
    • .NET 6
    • NuGet package
    • SQL Server
    • MySQL
    • Performance
  • Portfolio · YouTuber Sempu: portfolio developed for content creator Pedro Sempu, focused on performance and user experience.
    • React
    • Next.js
    • i18n
    • Portfolio
    • GTmetrix 100/100
  • Other projects: check out other personal projects and experiments available on my GitHub.

    GitHub contributions

    @junioranheu · © 2026