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: senior full-stack developer working on projects for major companies in the energy sector, including Eletrobras, Neoenergia, CPFL, ISA CTEEP, Norte Energia, Celanese, Enel, and Energisa, using C#, .NET, Angular, React, SQL Server, PostgreSQL, and Azure. Experienced in technical leadership, solution design, project planning support, developer mentoring, and the evolution of systems with high performance and scalability requirements, including databases containing more than 100 million 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
  • Event-Driven Architecture & CQRS Playground API: A learning-focused API built with .NET 10, featuring CQRS, event-driven architecture, the Outbox Pattern, RabbitMQ, PostgreSQL, Docker, read-model projections, and eventual consistency.
    • C#
    • .NET 10
    • CQRS
    • Event-driven architecture
    • Outbox Pattern
    • RabbitMQ
  • SchemaCompare: An open-source CLI tool for comparing database schemas across multiple providers and generating SQL scripts from schema differences.
    • C#
    • .NET 10
    • CLI
    • Database schema
    • Schema comparison
    • SQL Generation
    • PostgreSQL
    • SQL Server
    • MySQL
    • MariaDB
    • SQLite
    • Firebird
  • Other projects: check out other personal projects and experiments available on my GitHub.

    GitHub contributions

    @junioranheu · © 2026