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sithum-dev/README.md

👋 Hi, I’m Sithum Imarsha

Senior Software Engineer | Full-Stack & AI Engineer | SaaS Founder

I am a results-driven Senior Full-Stack Engineer with over 6 years of experience building scalable web applications and independent SaaS ventures. My current focus is at the intersection of AI implementation and high-performance web architecture.

🛠 Tech Stack & Tools

Category Technologies
AI & Systems LangChain, RAG, Vector DBs (PGVector), LLM Integration, Prompt Engineering
Frontend Next.js (App Router), TypeScript, React, GSAP, Framer Motion, Tailwind CSS
Backend NestJS, Node.js, Polar, Auth.js, REST/GraphQL, PostgreSQL (Drizzle/Prisma), Redis
DevOps AWS, DigitalOcean, Docker, CI/CD, Vercel, Firebase

📊 Performance & Excellence

I specialize in creating digital products that don't just work, but excel. My recent projects focus on:

  • Speed: 99% Lighthouse performance scores through optimized rendering.
  • Global Scale: Architecting systems for international B2B/B2C markets (Germany/EU).
  • Architecture: Migrating legacy infrastructures to modern, type-safe Next.js/TypeScript stacks.

📫 Connect with Me

"Building the future of SaaS, one commit at a time."

Pinned Loading

  1. netflix-clone netflix-clone Public

    A compact movie browsing Netflix clone built with ReactJs and powered by TMDb Api.

    JavaScript 1

  2. airbnb-ish airbnb-ish Public

    Airbnb UI clone using Next.js + styled-components.

    JavaScript

  3. coinmarketcap-clone-blockchain coinmarketcap-clone-blockchain Public

    JavaScript

  4. krypt-web-3-0 krypt-web-3-0 Public

    Web 3.0 React Solidity Blockchain Application

    JavaScript