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AI Engineer · LLM Systems · Agentic Pipelines · Full Stack

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◈ The Journey

  2021 ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  3D Artist · NFT Pipeline Dev                      @ Team Picaroon
  3D Modeling · Blender Scripting · NFT Asset Pipelines
  ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  2022 ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━  present
  Junior Game Dev  →  Full Stack Engineer  →  Lead Software Engineer
                                               @ Metarune Labs
  ┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄
  Unity · C# · MVCS · Firebase
  NestJS · SaaS Backends · Real-time · Socket.IO · Web3
  Blockchain · Smart Contracts · Multi-product Studio
  ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  AI Engineering · LLM Fine-tuning                  @ Metarune Labs
  ┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄
  LangChain · LangGraph · RAG · Agentic Pipelines
  LoRA · QLoRA · Unsloth · Production AI Systems
  ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

Started building game worlds. Now building intelligent systems. The obsession never changed - only the medium.

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◈ What I Build

🧠 AI & LLM Systems Agentic pipelines with LangChain & LangGraph RAG architectures with vector stores (FAISS, Convex, Firebase) LLM Fine-tuning - LoRA, QLoRA with Unsloth Multi-agent workflows & human-in-the-loop systems MCP integrations for production tooling

⚙️ Full Stack & Infrastructure Backend-first engineering (FastAPI, NestJS, Flask) Real-time systems via Socket.IO & PartyKit Self-hosted homelab - Docker, Portainer, n8n, CasaOS Web3 - Solidity, ThirdWeb, Bitcoin Computer Computer Vision - YOLOv8 + hardware bridges (ESP32)

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◈ Projects

▌ PROFESSIONAL · Metarune Labs

Draftables - Lead Unity Game Architect

Web3 American Football manager game with NFT card mechanics

Designed a custom MVCS architecture from scratch for a card-draw NFL simulation game with on-chain ownership. Integrated Firebase for auth/data and shipped Solidity smart contracts via ThirdWeb for in-game NFT mechanics.

Unity C# Solidity ThirdWeb Firebase Functions Firestore Firebase Auth Vite TypeScript

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Beatfarm Marketplace - Lead Backend Engineer

Music piece marketplace on the Bitcoin blockchain · Showcased at Token 2049

Built a parallel UTXO indexing backend on Bitcoin Computer to eliminate blockchain node bottlenecks. Enabled smooth DApp-style account-based development on Bitcoin.

NestJS MongoDB Bitcoin Computer Vite Jest TypeScript

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Bitcoin Graffiti - Lead Backend Engineer

Collaborative pixel canvas on Bitcoin · Showcased at Token 2049

Same parallel indexing architecture as Beatfarm, plus real-time canvas sync across all active users via Socket.IO powered by a PartyKit-style mechanism.

NestJS MongoDB Socket.IO PartyKit Bitcoin Computer Vite Jest TypeScript

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Ethos Chrome Extension - Developer

Live X (Twitter) credibility scoring, injected into the social feed · Live on Chrome Web Store

Extracts usernames and wallet addresses from DOM, queries Ethos API, and injects color-graded credibility badges directly into each profile in the feed.

Vite DOM Scripting Ethos API TypeScript

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Scooby & Me - R&D

Interactive bedtime story engine with LLM-generated mid-story comprehension questions

LLM dynamically generates questions at story beats to encourage reader prediction and engagement. Led R&D and LLM integration.

LangChain GPT-3 NestJS MongoDB Vite TypeScript

▌ SELF-INITIATED

ToolboxLM - Founder & Sole Engineer

SaaS platform to create, share, and monetize custom AI-powered tools

Full product ownership solo - LangChain prompt workflows, Groq (Llama) inference, Firebase vector store for semantic retrieval, active monetization layer.

LangChain Groq (Llama) Firebase Vite TypeScript

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LinkPilot - Chrome Extension

Agentic LinkedIn assistant with persistent per-user memory

DOM feed extraction → LangChain + Groq inference → Convex vector DB of past interactions → context-aware comment suggestions injected into the LinkedIn UI. Human-in-the-loop with Auto and Manual modes.

LangChain Groq Plasmo Convex (functions · vector store · auth) Vite TypeScript

▌ FREELANCE

Endldell Runner - Educational F1 Racing Game & Admin Dashboard

White-label PWA racing game + companion admin dashboard for an MCQ quiz platform

3D racing game built as a PWA with iOS/Android support using React Three Fiber. Admin dashboard covers player management, question/analytics management, leaderboard tracking, and reward administration.

React Three Fiber Three.js Supabase Vite TypeScript

▌ UNIVERSITY PROJECTS · University of Kelaniya

IntelliDefect Analyzer - Final Year Project

Real-time multi-stage computer vision defect detection with hardware actuation

YOLOv8 pipeline inspects bottles in sequence: object detection → structural damage → lid check → fill level → label quality. Defective bottles trigger conveyor stop and servo ejection automatically. Includes a real-time Socket.IO analytics dashboard and a full hardware prototype.

YOLOv8 PyTorch Roboflow Flask Socket.IO Vite ESP32 Python TypeScript Hardware: ESP32 · DC Motor · L298 Motor Driver · 9g Servo · NVIDIA GTX 1650

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Easy Doctor - LLM Integration Lead

Smart medical consultation combining ESP32 biometrics with LLM-generated clinical output

Users submit history via web app, then collect biometric readings via a modular ESP32 device (plug-and-play sensors via VID/PID descriptors). LLM produces three outputs: motivational message · specialist referral plan · detailed clinical analysis for the physician.

LangChain GPT-3 Next.js Flask ESP32 TypeScript MicroPython Sensors: ECG (AD8232) · Body Temp (DS18B20) · Blood Oxygen (MAX30100) · GSR Stress

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4-DOF Robotic Arm - Learning Project

Articulated arm with inverse kinematics - targets (x, y, z) to joint angles via Atan2 + Law of Cosines

Calculated angles mapped to PWM signals across four servos for precise positioning.

Arduino C 4x 9g Servo Motors

▌ HOME LAB

Raspberry Pi Home Server

24/7 self-hosted production ecosystem on a Raspberry Pi 3B+

Full Docker expertise built hands-on: Engine, Dockerfiles, Compose, Swarm, Volumes, Networking, Registries. Runs a personal suite of self-hosted apps.

├── CasaOS       - OS orchestration
├── Pi-hole      - Network-wide ad blocking
├── PocketBase   - Backend / auth
├── Nginx        - Reverse proxy
├── Jellyfin     - Media server
├── Portainer    - Docker fleet management
├── n8n          - Workflow automation
└── Web Terminal - Custom built

Docker CasaOS Pi-hole Nginx Portainer n8n Raspberry Pi 3B+

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◈ Tech Stack

Languages

AI & Machine Learning

Frontend

Backend

Databases & Vector Stores

DevOps & Infrastructure

Real-time

Web3

Hardware & Embedded

AI Dev Tools

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◈ Currently Exploring

[ ✦ ] LLM Fine-tuning at scale   - LoRA / QLoRA / Unsloth pipelines
[ ✦ ] Advanced agentic systems   - multi-agent orchestration patterns
[ ✦ ] Inference optimization      - quantization, GGUF, local deployment
[ ✦ ] AI product engineering      - from research to production SaaS

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◈ Homelab

A self-hosted, 24/7 production ecosystem running on Raspberry Pi.

Raspberry Pi Server
├── CasaOS          - OS-level orchestration
├── Pi-hole         - Network-wide ad blocking
├── Nginx           - Reverse proxy
├── Portainer       - Docker fleet management
└── n8n             - Workflow automation

Docker Engine · Swarm · Custom networking - not for learning, for living with it.

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"I don't switch lanes - I stack them."

Game Dev → Lead Engineer → AI Engineer The curiosity that started it all hasn't stopped.