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WishvaRajaguru/README.md

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🧑‍💻 About Me

const wishva = {
  location : "Kurunegala, Sri Lanka 🇱🇰",
  education : "BSc (Hons) Software Engineering · Birmingham City University, UK",
  institute : "Java Institute for Advanced Technology, Colombo",
  cert      : "Oracle AI Foundations (2026)",
  domains   : ["Full-Stack Web", "DevOps & Cloud", "AI / LLM Research", "Game Dev", "Embedded / IoT"],
  currently : "Building production-grade systems & exploring edge-optimised AI",
  openTo    : ["Junior Software Engineer", "Graduate Developer", "Internship"],
};

I ship real systems for real clients — from a live multi-tenant restaurant SaaS to an edge-optimised LLM research framework that achieves ~90% memory reduction over full-precision baselines. I've led teams, owned ambiguous deliverables solo, and used agentic AI tooling to accelerate every step.

🛠 Tech Stack

Languages

Java Python JavaScript TypeScript PHP C#

Frontend

React Tailwind CSS Framer Motion HTML5 Android

Backend & APIs

Spring Boot Node.js FastAPI Express.js WebSockets

Databases

PostgreSQL MongoDB MySQL Firebase

DevOps & Cloud

Docker GitHub Actions Nginx Cloudflare

AI / ML

PyTorch OpenAI Hugging Face

Game & 3D

Unity Blender

Embedded / IoT

Arduino Raspberry Pi ESP32

🚀 Featured Projects

🏗 Ceyglo — Restaurant SaaS

Multi-tenant platform · Live paying client · 2025–2026

Sole backend architect on a production SaaS. Designed PostgreSQL 15 schema with ThreadLocal tenant isolation, 7-state Order FSM with branch-scoped WebSocket updates, and JWT/OAuth 2.0/TOTP MFA auth stack.

Java 21 Spring Boot PostgreSQL 15 Docker Cloudflare R2 WebSockets

🧠 AVIN — Edge LLM Research Framework

AI Research · 2025

BitNet 1.58b ternary quantisation with custom Straight-Through Estimators achieving ~90% memory reduction. Sparse MoE token routing with ~3.2× compute reduction. LoRA + DPO fine-tuning pipeline.

Python PyTorch BitNet LoRA DPO MoE Qwen

🎧 LifeLike Audio — Neural Audiobook Platform

Full-Stack AI · 2026

Zero cloud-cost local TTS platform. Async FastAPI + Kokoro-82M TTS + RVC voice conversion, FFmpeg M4B chapter stitching, word-level audio timing, and live HTML5 sentence-scroll sync.

FastAPI MongoDB Kokoro-82M RVC FFmpeg HTML5 Audio

💬 HushHoney — Interactive AI Dialogue System

Full-Stack + Hardware · 2025–2026

React 18 / Express.js / MongoDB platform with Firebase Android client, rolling LLM context summarisation, optimised Blender + Daz3D 3D pipeline, and Arduino/ESP32 hardware event bridges.

React 18 Express.js Firebase Arduino ESP32 OpenRouter

🐚 ContainerShell — WSL2 Docker Desktop Tool

Systems Engineering · 2024

Java Swing wrapper for multi-container Docker/WSL2 environments. TCP socket orchestration, self-healing health monitoring via CompletableFuture, AES-256 encrypted MySQL backups, and a state-aware PowerShell installer with reboot-resume scheduling.

Java Swing Docker API WSL2 PowerShell AES-256

🎮 More coming soon...

Game Dev · Embedded · AI

Unity game projects, embedded IoT experiments, and whatever gets built next.

Watch this space 👀

📊 GitHub Stats


GitHub Streak

🏆 Achievements & Certifications

Credential Issuer Year
🎖 Oracle AI Foundations Oracle 2026
🎓 BSc (Hons) Software Engineering Birmingham City University, UK 2026
📜 Higher Diploma in SE — UK Level 5 (Ofqual) SEGA · Java Institute 2024
📜 Diploma in SE — UK Level 4 (Ofqual) SEGA · Java Institute 2023

🌐 Let's Connect

LinkedIn GitHub Email


Open to Junior SE · Graduate Developer · Internship roles — local or remote 🌍

Pinned Loading

  1. LLM_Model LLM_Model Public

    Edge-optimised LLM research framework. Implemented BitNet 1.58b ternary quantisation with custom STEs achieving ~90% memory reduction. Built sparse MoE token routing with ~3.2× compute reduction, p…

    Python

  2. Ceyglo/platfrom Ceyglo/platfrom Public

    Ceyglo Platform is a composable SaaS engine built to power multiple independent businesses on a single deployment. It handles multi-tenancy, billing, identity, and pluggable industry verticals — be…

    Java

  3. container-shell-system-initializer container-shell-system-initializer Public

    Containerized environment management for non-technical users — powered by Docker inside WSL2, invisible to the end user.

    Java

  4. LifeLike-audio LifeLike-audio Public

    Local neural audiobook platform — zero cloud cost. Async FastAPI backend with Kokoro-82M TTS + RVC voice conversion, FFmpeg M4B chapter stitching, word-level audio timing, and live HTML5 sentence-s…

    Python

  5. ProjectMaze ProjectMaze Public

    A simple maze-solving project in Python where an Agent navigates a grid-based maze using two classic algorithms.

    Python

  6. DecoratedComponentsProject DecoratedComponentsProject Public

    The DecoratedComponentsProject is a lightweight Java Swing library designed to simplify the creation of visually appealing UI components.