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damsarachethiyaa-dev/README.md

Chethiya Rathnasekara

Software Engineer & AI Engineer · Sri Lanka

Building high-performance desktop platforms, deep-learning pipelines and full-stack systems — tools that work fast and feel good.


Portfolio   Credly

Available for software & AI engineering roles · 2026

Featured Project

Traders Journal Logo Traders Journal — Privacy-first trading workstation for Windows

Electron + Node.js desktop app syncing live MetaTrader 5 deals in <100ms via a custom MQL5 Expert Advisor over local loopback. Features a PnL calendar, 4-tab advanced analytics, market sessions and per-user salted scrypt encryption — 100% offline with zero cloud telemetry.

Download EXE   Live Demo   MT5 Sync

Selected Work

Project What it is Stack
Orbit · download Paste-a-link video & audio downloader for Windows and Android — 1000+ sites, up to 4K, MP3, auto-update Python, Flask, pywebview, Kotlin, yt-dlp, FFmpeg
Lumi Keys · download AMOLED Android AI keyboard — Gboard-style typing, Sinhala & Singlish, smart clipboard, AI with your own key Kotlin, Android IME, three.js
Orbit Media Studio (private) Full-stack PWA for media processing — video/audio downloader, batch queue and watermark studio Next.js 15, TypeScript, FFmpeg, Docker
POS & Inventory Java desktop suite for checkout, stock and reporting Java Swing, FlatLaf, MySQL, JasperReports
ScreenToChatGPT Multi-monitor screen capture with GPT-4o visual analysis Python, PyWin32, GPT-4o API, Electron
4K AI Upscaler CUDA-accelerated super-resolution pipeline (experimental) Python, PyTorch, CUDA, Real-ESRGAN, FFmpeg

Tech Stack & Skills

Desktop & Systems

Electron Java Python C++

AI & Computer Vision

PyTorch CUDA OpenAI FFmpeg

Frontend & UI

React Next.js TypeScript JavaScript Tailwind CSS

Backend & Databases

Node.js Express MySQL PostgreSQL SQLite Supabase

Tools & Trading

MetaTrader 5 Docker Git GitHub

Credentials

Verified on Credly:

  • Google AI Professional Certificate (Coursera) — AI Fundamentals, Brainstorming & Planning, Research & Insights, Writing & Communicating, Content Creation, Data Analysis, App Building and App Deployment
  • Aviatrix Certified Engineer — Multicloud Network Associate (valid to Oct 2028)
Based in Sri Lanka · Web CV · Email

Pinned Loading

  1. Daybook Daybook Public

    Daybook - Privacy-first desktop trading journal with ForexFactory economic calendar feed, atomic local storage, and streak tracking.

    TypeScript 1

  2. Screen-Capture Screen-Capture Public

    ScreenToChatGPT - Instant multi-monitor screenshot capture tool with GPT-4o visual analysis and desktop GUI.

    HTML 1

  3. 100-clicks-mouse-burst 100-clicks-mouse-burst Public

    ⚡ Hyper-Speed Hardware-Level Mouse Multiplier & Autoclicker for Windows (1 Click = 100 Clicks) with Cyber CustomTkinter UI & 60 FPS Particle Physics.

    Python 1

  4. POS-Inventory-Management-System POS-Inventory-Management-System Public

    Modern desktop Point of Sale (POS) and Inventory Management System built with Java Swing, FlatLaf, JasperReports, and MySQL.

    Java 1