JavaGoPythonTypeScriptSolidityNode.jsJavaGoPythonTypeScriptSolidityNode.jsJavaGoPythonTypeScriptSolidityNode.jsJavaGoPythonTypeScriptSolidityNode.jsJavaGoPythonTypeScriptSolidityNode.js
Page Info

Projects | Harshana Lakshara Fernando (Case Studies and Technical Write-ups)

Detailed case studies of projects by Harshana Lakshara Fernando. Topics include microservices, Kafka event-driven systems, distributed coordination, Web3 applications, and GenAI/RAG tools.

Project pages include problem statements, architecture decisions, technology stacks, and results where applicable (performance, reliability, or usability improvements). These write-ups are designed to be recruiter-friendly and easy to scan.

Skip to main content

Projects Showcase

Explore a curated selection of my work. Use the filters or search to navigate through different domains.

The Ultimate
Project Showcase

I build beautiful products with the latest technologies and frameworks. This is a showcase of my work, from web apps to AI experiments.

Interactive 3D Portfolio preview
WebReactThree.js

Interactive 3D Portfolio

Immersive 3D portfolio featuring a navigable island, pilotable vehicles, and interactive showcases built with React Three Fiber.

Source Code
VTry — Virtual Try-On Experience preview
Gen AINext.jsTypeScript

VTry — Virtual Try-On Experience

Modern e-commerce virtual try-on application allowing users to visualize garments using Gen AI, Next.js, and Serverless.

Source Code
Blockchain Supply Chain DApp preview
Web3Next.jsSolidity

Blockchain Supply Chain DApp

Decentralized shipment tracking and escrow payment system built on the Ethereum blockchain with Solidity and Next.js.

Source Code
Employee Management System (EMS) preview
WebJava 17Spring Boot

Employee Management System (EMS)

Cloud-native microservices for employee management featuring Spring Boot, React, RabbitMQ, and robust fault tolerance.

Source Code
Employee Management System (EMS) preview
WebJava 17Spring Boot

Employee Management System (EMS)

Cloud-native microservices for employee management featuring Spring Boot, React, RabbitMQ, and robust fault tolerance.

Source Code
GoTogether – Intelligent Travel Companion for Sri Lanka preview
WebMobileNext.js

GoTogether – Intelligent Travel Companion for Sri Lanka

Full-stack travel assistant platform providing AI itineraries and real-time data using cloud-native microservices.

Live DemoSource Code
Food Delivery Application preview
WebJavaSpring Boot

Food Delivery Application

Scalable, event-driven food delivery platform utilizing Kafka, gRPC, and Spring Boot for high-performance order management.

Source Code
Serverless Auction Platform preview
OtherNode.jsServerless Framework

Serverless Auction Platform

Event-driven serverless auction system on AWS using Lambda, DynamoDB, and EventBridge for scheduled tasks.

Source Code
Serverless Auction Platform preview
OtherNode.jsServerless Framework

Serverless Auction Platform

Event-driven serverless auction system on AWS using Lambda, DynamoDB, and EventBridge for scheduled tasks.

Source Code
Automated AI Shorts Video Creator preview
Gen AIn8nDocker

Automated AI Shorts Video Creator

Open-source pipeline automating short-form video creation using n8n workflows and multiple AI generation tools.

Source Code
AI Blog Post Generator preview
Gen AINLPStreamlit

AI Blog Post Generator

Multi-agent system using specialized AI agents to research and generate professional blog posts via the Agno Framework.

Source Code
E-Commerce Platform – Admin preview
WebNext.jsShadCN UI

E-Commerce Platform – Admin

Cloud-native admin dashboard for product and order management using Next.js, ShadCN UI, and Supabase.

Source Code
E-Commerce Platform – Admin preview
WebNext.jsShadCN UI

E-Commerce Platform – Admin

Cloud-native admin dashboard for product and order management using Next.js, ShadCN UI, and Supabase.

Source Code
Go gRPC GraphQL – Multi-Tenant Microservices preview
OtherGogRPC

Go gRPC GraphQL – Multi-Tenant Microservices

Polyglot, multi-tenant microservices platform in Go using gRPC, GraphQL, and PostgreSQL for unified data access.

Source Code
Governance DAO – Token-Weighted Voting DApp preview
Web3EthereumSolidity

Governance DAO – Token-Weighted Voting DApp

Decentralized governance platform enabling token-weighted voting through secure Solidity smart contracts.

Source Code
Content-Aware Meme Generator preview
Gen AINLPStreamlit

Content-Aware Meme Generator

AI-powered tool that analyzes image context to generate relevant memes using GPT-4 Vision and Pillow.

Source Code
Content-Aware Meme Generator preview
Gen AINLPStreamlit

Content-Aware Meme Generator

AI-powered tool that analyzes image context to generate relevant memes using GPT-4 Vision and Pillow.

Source Code
PaperMind – AI Research Assistant preview
Gen AINLPStreamlit

PaperMind – AI Research Assistant

Lightweight, RAG-powered platform enabling intelligent querying of academic papers using LangChain and embeddings.

Source Code
RPAL Interpreter – Functional Language Compiler preview
OtherPythonPytest

RPAL Interpreter – Functional Language Compiler

Complete compiler and interpreter for the RPAL language built from scratch in Python, implementing rigorous semantic rules.

Source Code
Virtual Me – 3D Animated AI Chatbot preview
Gen AIReact (Three.js)Node.js

Virtual Me – 3D Animated AI Chatbot

Interactive 3D virtual assistant featuring lifelike animations and AI-driven natural language conversations.

Source Code