__    ____  ___    ____  _____   ________   _____ __  __    __
   / /   / __ \/   |  / __ \/  _/ | / / ____/  / ___// / / /   / /
  / /   / / / / /| | / / / // //  |/ / / __    \__ \/ /_/ /_  / / 
 / /___/ /_/ / ___ |/ /_/ // // /|  / /_/ /   ___/ / __  / /_/ /  
/_____/\____/_/  |_/_____/___/_/ |_/\____/   /____/_/ /_/\____/
>INITIALIZING SYSTEM CORE...
>LOADING MODULES...................... [OK]
>MOUNTING FILE SYSTEM................. [OK]
>ESTABLISHING SECURE CONNECTION....... [OK]
>DECRYPTING PROFILE DATA.............. [OK]
>ACCESS GRANTED.
>WELCOME, GUEST.

FULLSTACK ENGINEER

Hi! I'm Sithija Harshana
Jayasinghe

An aspiring Fullstack Engineer creating high-performance, scalable, and responsive web solutions. Seeking to grow technically and contribute effectively to a development team.

Contact Me
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I believe in building functional, scalable, and user-centered applications that solve real-world problems.

System Initialize.

Hi, I'm
Sithija Harshana.

I am an aspiring Software Developer with hands-on experience gained through academic projects, open-source contributions, and self-learning.

My focus is on creating real-world applications using Java, Spring Boot, React, and MySQL. By prioritizing architecture and clean code, I thrive on collaborating with teams, architecting solutions, and seeing ideas come to life.

Currently balancing my studies with part-time work and extracurricular activities, maintaining a dedication to continuous technical growth.

My Stack.

Programming Languages

Java
JavaScript
TypeScript

Frameworks & Libraries

Spring Boot
React
Next.js
Angular
Tailwind CSS
Bootstrap

Databases & Backend

MySQL
Supabase
Firebase
Node.js

Tools & Platforms

Git
GitHub
REST APIs
Atlassian Jira

Selected Projects.

View All on GitHub

Construction Management System

Architecting a full-stack SaaS solution using Spring Boot and Angular with RBAC and budget tracking. Leading a team of 7 and executing robust REST APIs and MySQL schemas.

Spring BootAngularMySQLREST APISaaS

Error Solution AI Buddy

An AI-powered CLI tool & VS Code extension that explains runtime errors directly in terminal. Captures errors across languages and uses a locally running Ollama LLM to generate fixes.

Node.jsOllama LLMRegexVS Code Ext

MediCare Sync

A multi-clinic SaaS platform streamlining registration, scheduling, prescriptions, and pharmacy. Features digital profiles and centralized medical records for quick access.

Spring BootReact.jsMySQL

Shades By Jay - UI Library

An open-source UI component library with 250+ reusable components using HTML, CSS, & JS. Modular, accessible, and features an interactive code playground.

HTMLCSSJavaScript

BrightMindAid

An educational resource platform for Sri Lankan students. Provides curated learning materials, user authentication, and data management.

ReactSupabase

Disaster Management System

Full-stack web app from a hackathon for real-time emergency reporting. Captures GPS offline and syncs when online, featuring a real-time admin dashboard.

ReactFirebase

Have a project in mind?

Let's Work Together