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ThiagoNelsi/README.md

Hi, I'm Thiago πŸ‘‹

Software Engineer | AI & Cloud | CS Student

I'm a Software Engineer with over 5 years of experience in Fullstack Development. I have a deep interest in software architecture and I am passionate about exploring high-performance, scalable, and event-driven systems. Recently, I've been heavily focused on learning and building AI-driven solutions and RAG architectures.

πŸ‘¨β€πŸ’» About Me

  • πŸŽ“ Computer Science student at UNESP.
  • πŸ”¬ Undergraduate Researcher at UNESPETRO, working on image stacking, web development and machine learning for microfossil identification.
  • πŸš€ Previously led the development of SisProva, scaling it to hundreds of users.
  • πŸ’‘ Open-source creator of the Dicio API, which reached 200+ ⭐ on GitHub.
  • 🏒 Ex-President of SECComp, organizing a 300+ attendee tech conference and managing cross-functional teams.
  • πŸ‡«πŸ‡· Currently learning French.

πŸ› οΈ Tech Stack & Tools

  • Languages: TypeScript, JavaScript, Node.js, Python, HTML/CSS
  • Cloud (AWS): S3, Lambda, SQS, SNS, DynamoDB, IAM, Cognito
  • AI & Automation: LangChain, LangGraph, OpenAI API, RAG Architecture, Vector Storage
  • Databases: PostgreSQL, MySQL, MongoDB, Redis
  • DevOps: Docker, Git

πŸš€ Featured Projects

  • Luma Lingo - An AI-powered language learning product focused on personalized lessons, a lightweight onboarding flow, and a reliable feedback loop from one lesson to the next.
  • [AI-Powered Exam Generator] - An end-to-end serverless RAG system hosted on AWS that transforms technical documents into exam questions.
  • [SisProva] - Online exam administration platform where I led the fullstack development and implemented a Redis caching layer, achieving a 15x reduction in backend response times.
  • [Dicio API] - A RESTful web scraping API providing linguistic data from the Portuguese dictionary.

πŸ“ Recent Blog Posts

πŸ“« Connect with me:

thiagonelsi@gmail.com thiago-nelsi @thiagonelsi

Pinned Loading

  1. luma-lingo luma-lingo Public

    LumaLingo is an AI-powered language learning product focused on personalized lessons, a lightweight onboarding flow, and a reliable feedback loop from one lesson to the next.

    TypeScript

  2. wikipedia-to-document wikipedia-to-document Public

    This project collects Wikipedia articles from a search term entered by the user and formats the data into a .docx (Word Document) document with images related to each section of the collected article.

    JavaScript 10 3

  3. LogClient LogClient Public

    Application to receive and monitor logs in real time from other applications

    TypeScript

  4. Caillou Caillou Public

    App to monitor websites and send notifications when they go offline

    TypeScript

  5. tic-tac-toe-web tic-tac-toe-web Public

    Tic tac toe robot. Web version

    JavaScript