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Achievement: Pair Extraordinairex4Achievement: Pull Sharkx4Achievement: QuickdrawAchievement: YOLO

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Achievement: Pair Extraordinairex4Achievement: Pull Sharkx4Achievement: QuickdrawAchievement: YOLO

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rapatao/README.md
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Staff Software Engineer

Building scalable, maintainable, and high-performance distributed systems.

Check my LinkedIn Check my X account: @rapatao Check my site: https://rapatao.com

About Me

I am a Staff Software Engineer with a passion for designing resilient distributed systems and building robust developer tools. My engineering philosophy centers on crafting clean, idiomatic code, decoupling complex business logic, and prioritizing rigorous testing strategies. I specialize in driving developer productivity, optimizing JVM/backend performance, and advocating for API-first architecture.

Technical Expertise

  • Languages: Kotlin, Java, Go.
  • Core Competencies: Distributed Systems, API Architecture & Documentation, Testing Strategies (Kafka, WireMock), Infrastructure & Tooling, Build Automation.

Featured Projects

  • Ruleset Engine: A lightweight, extensible rules engine for high-performance expression evaluation. It enables developers to decouple complex business logic from core application code using native Kotlin or scriptable engines like GraalVM.
  • pr-checker-go: A standalone macOS menu bar application that monitors GitHub Pull Requests, enhancing visibility and workflow efficiency across repositories.
  • SendGrid Mock: A development-focused service that simulates the SendGrid API. It provides a local, cost-effective environment to test email integrations and inspect payloads without hitting production APIs.
  • md2: A fast, extensible Go CLI that converts Markdown files to PDF, HTML, and other formats, using a two-stage rendering strategy with optional Mermaid diagram support.
  • aseprite-macos-build: An automated build system that streamlines the compilation and native packaging of Aseprite on macOS, simplifying complex dependency management and build steps.
  • btmgr: A macOS GUI tool written in Go for managing background tasks, login items, launch agents, and daemons — everything shown in System Settings → General → Login Items & Extensions.

Latest Insights

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  1. ruleset-engine ruleset-engine Public

    Simple yet powerful rules engine that offers the flexibility of using the built-in engine and creating a custom one.

    Kotlin 3

  2. pr-checker-go pr-checker-go Public

    A standalone macOS menu bar application to monitor your GitHub pull requests.

    Go 2

  3. sendgrid-mock sendgrid-mock Public

    Provides a service that simulates the sending mail endpoint provided by SendGrid API that may only be used for development purposes.

    JavaScript 4 1

  4. md2 md2 Public

    Convert Markdown files to PDF, HTML, and more — a fast, extensible Go CLI.

    Go 3

  5. aseprite-macos-build aseprite-macos-build Public

    Automated script to create a release app of Aseprite for macOS

    Makefile 3

  6. btmgr btmgr Public

    A macOS GUI tool written in Go for managing background tasks, login items, launch agents, and daemons — everything shown in System Settings → General → Login Items & Extensions.

    Go 1