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  • Brazil
  • 13:06 (UTC -03:00)

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helioLJ/README.md

Hi there, I'm Hélio Lúcio 👋

I'm Hélio Lúcio, a Senior Software Engineer who builds scalable, reliable, and well-designed systems.

I focus on turning complex challenges into clean architectures — connecting backend services, modern web apps, and cloud infrastructure. My work blends engineering discipline, automation, and a drive to deliver software that’s both efficient and meaningful.

Coding animation

🎯 What I'm passionate about

Tech passion animation

I’m driven by the challenge of building robust systems that make a difference. Whether it’s architecting reliable backends, improving performance at scale, or refining developer experience — I focus on engineering that delivers real impact.

  • 🔧 Backend Craft — Writing clean, maintainable code in Python, TypeScript, and Go
  • ☁️ Cloud Architecture — Designing serverless, event-driven systems on AWS and Azure
  • 🤖 AI/ML Engineering — Building intelligent systems with LangChain, LangGraph, RAG, and Vector Databases
  • ⚛️ Frontend Magic — Creating delightful user experiences with React and Next.js
  • 🔄 DevOps Excellence — Automating everything, from CI/CD to infrastructure as code

🚀 Featured Projects

Here are some projects I'm particularly proud of:

📦 Projects📜 Language
⚡ pyforge — Production-ready FastAPI backend starter template with Python 3.14+, SQLAlchemy 2.0, Pydantic v2, and clean architecturePython
📝 youtube-transcript-copier — Chrome extension to copy YouTube transcripts with AI-friendly featuresJavaScript
📊 signal_ops — Monorepo for backend (NestJS) and observability (Grafana LGTM + OTEL)TypeScript
🍅 pomotui — A simple and beautiful Pomodoro timer TUI built with Go and Bubble TeaGo
🤖 VideoInsightAI — Modern web app that analyzes YouTube playlists and videos with AI. Bulk extract transcripts, generate summaries, and get smart insightsPython
🗄️ simple-database-in-c — A lightweight SQLite clone written in C that implements B-trees, paging, and basic SQL operationsC
₿ bitcoin_tracker_in_go — A Bitcoin price tracker CLI application written in Go that provides real-time price updates, alerts, and historical loggingGo
🎬 bun-media-grabber — Fast CLI to download videos and audios from YouTube, X, TikTok, SoundCloud and more — powered by yt-dlp + ffmpeg, wrapped in BunTypeScript

🛠️ Tech Stack

Languages & Frameworks

PythonTypeScriptJavaScriptGoFastAPIDjangoNestJSReactNext.js

AI & Cloud

LangChainAWSAzureDockerKubernetes

Databases & Tools

PostgreSQLRedisDynamoDBGitGitHub Actions

🎓 Certifications

AWS Certified Developer – AssociateAWS Certified Cloud PractitionerMicrosoft Certified: Azure Fundamentals

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  1. outlook-agendaoutlook-agendaPublic

    CLI for Outlook Calendar users who want terminal access to personal and shared calendar data via Microsoft Graph.

    Python

  2. youtube-transcript-copieryoutube-transcript-copierPublic

    Chrome extension to copy YouTube transcripts with AI-friendly features

    JavaScript 11 1

  3. pyforgepyforgePublic

    Production-ready FastAPI backend starter template with Python 3.14+, SQLAlchemy 2.0, Pydantic v2, and clean architecture

    Python

  4. bun-media-grabberbun-media-grabberPublic

    Fast CLI to download videos and audios from YouTube, X, TikTok, SoundCloud and more — powered by yt-dlp + ffmpeg, wrapped in Bun.

    TypeScript 1

  5. bitcoin_tracker_in_gobitcoin_tracker_in_goPublic

    A Bitcoin price tracker CLI application written in Go that provides real-time price updates, alerts, and historical logging capabilities.

    Go 2

  6. pomotuipomotuiPublic

    A simple and beautiful Pomodoro timer TUI built with Go and Bubble Tea. Manage your focus and rest periods directly from your terminal.

    Go 1