M.C.H. Weerasinghe

PROFILE

Highly motivated Computer Science undergraduate at the University of Colombo School of Computing (GPA: 3.58/4.0) with extensive hands-on experience in full-stack web development, software architecture, and production system deployment. Specialized in building enterprise-grade applications from the ground up, including government management platforms serving real communities and microservices-based academic systems.

Strong foundation in object-oriented programming, database design, and modern web technologies. Proven ability to architect scalable solutions using MVC patterns, RESTful APIs, and event-driven systems. Experienced in managing complex codebases with Git version control, conducting code reviews, and deploying cloud-based applications. Passionate about writing clean, maintainable code and solving real-world problems through technology.

EDUCATION

University of Colombo School of Computing Expected 2027

Bachelor of Science in Computer Science | GPA: 3.58/4.0

Relevant Coursework:

Data Structures & Algorithms | Object-Oriented Programming | Database Management Systems
Software Engineering | Web Technologies | Computer Networks
Operating Systems | Distributed Systems | Software Architecture & Design Patterns
Artificial Intelligence | Machine Learning Fundamentals

TECHNICAL SKILLS

Languages: JavaScript, PHP, Python, Java, C++, C, SQL, HTML5, CSS3

Frontend: React, Vanilla JavaScript, Responsive Design

Mapping & Visualization: Leaflet.js, Google Maps API, Chart.js

Backend: PHP MVC, Node.js, Express.js, Flask, RESTful APIs, Microservices

Database: MySQL, Database Design, Schema Migration, Query Optimization

Architecture: MVC Pattern, Microservices, Event-Driven Systems, Pub/Sub Pattern

DevOps & Tools: Git, Vercel, CI/CD, Cloud Deployment, VS Code

PROJECTS

VillageCare - Village Management Platform 2025 - Present

Lead Full-Stack Developer | Deployed on Vercel | villagecare-lk.vercel.app | Private Repository

Context: Production-ready government system designed for Grama Niladhari officers to manage Sri Lankan villages digitally. (Source code available for review upon request)

Architected and developed complete PHP MVC framework from scratch with custom routing system, middleware pipeline, and ORM-like database abstraction layer.
Designed normalized MySQL database schema with 20+ interconnected tables handling residents, households, certificates, complaints, and administrative data.
Built comprehensive resident management system with CRUD operations, advanced search/filtering, batch import capabilities, and NIC (National Identity Card) parser for automatic data extraction.
Implemented multi-role authentication system (Admin, Grama Niladhari, Assistant) with role-based access control (RBAC), two-factor authentication (2FA), and secure session management.
Developed real-time analytics dashboard with statistical visualizations, demographic breakdowns, and trend analysis using Chart.js and custom JavaScript.
Integrated interactive GPS tracking and mapping features using Leaflet.js and OpenStreetMap for household location management and geographic data visualization.
Built digital certificate generation system with PDF export functionality for official documents (Character certificates, Residence certificates, etc.).
Created complaint management system with status tracking, assignment workflows, and notification system.
Deployed on Vercel with serverless PHP runtime and cloud-hosted MySQL database; configured custom domain and SSL certificates.
Managed collaborative development using Git with 13+ feature branches, pull request workflows, and comprehensive code reviews.
Implemented responsive design ensuring mobile compatibility for field officers using tablets and smartphones.

Technical Highlights: Custom MVC framework, vanilla JavaScript (no frameworks), complex database relationships, geospatial data handling, authentication security, production deployment.

NexusEnroll - University Enrollment System 2025

Backend Developer | Python Flask Microservices | github.com/Chamudu/NexusEnroll

Context: Distributed microservices architecture for university course enrollment demonstrating scalable backend design.

Architected microservices-based system with three independent services: Student Service, Course Service, and Enrollment Service, each with dedicated databases following domain-driven design principles.
Designed and implemented RESTful APIs for each microservice with comprehensive endpoints for CRUD operations, queries, and business logic.
Built inter-service communication mechanism enabling enrollment validation, student verification, and course capacity checking across service boundaries.
Implemented MySQL database integration with connection pooling, prepared statements for SQL injection prevention, and transaction management for data consistency.
Developed comprehensive error handling, input validation, and HTTP status code standardization across all API endpoints.
Created detailed API documentation including endpoint specifications, request/response formats, and usage examples.
Implemented logging system with different severity levels for debugging, monitoring, and audit trail purposes.
Demonstrated understanding of microservices principles: service autonomy, loose coupling, independent deployment, and data isolation.

Technical Highlights: Microservices architecture, RESTful API design, Flask framework, service orchestration, database isolation, API documentation.

PHP MVC Framework 2024

Framework Developer | Core PHP | github.com/Chamudu/PHPmvc_frameWork

Context: Educational project building a production-grade MVC framework from scratch to understand web framework internals.

Designed and implemented complete MVC architecture with clear separation of concerns: Models, Views, Controllers, and Routing layer.
Built custom routing system supporting dynamic routes, URL parameters, HTTP method restrictions (GET, POST, PUT, DELETE), and route naming.
Developed database abstraction layer with query builder, parameter binding, and basic ORM functionality for simplified database interactions.
Implemented middleware pipeline for request/response processing, authentication checks, CSRF protection, and logging.
Created template engine for views with support for layouts, partials, and variable interpolation.
Developed request and response abstraction classes for handling HTTP input/output in an object-oriented manner.
Built session management system with flash messaging, session security measures, and session regeneration.
Implemented validation system with chainable rules and custom error messages.
Applied design patterns: Singleton (database connection), Factory (controller instantiation), Strategy (validation rules).
Zero external dependencies—built entirely with core PHP demonstrating deep understanding of language fundamentals.

Technical Highlights: MVC architecture, custom routing, OOP design patterns, no external dependencies, framework internals.

AI Task Manager 2024

Full-Stack Developer | React + Node.js

Built intelligent task management application with React frontend and Node.js/Express backend with MongoDB database.
Integrated AI-powered features for automatic task prioritization based on deadlines, dependencies, and user patterns.
Implemented smart scheduling algorithm suggesting optimal time slots for task completion.
Developed real-time updates using WebSocket connections for collaborative task boards.
Created analytics dashboard visualizing productivity metrics, task completion rates, and time distribution.

PubSub Middleware System 2024

Backend Developer | Python

Implemented event-driven messaging system using Publisher-Subscriber (Pub/Sub) architectural pattern in Python.
Developed message broker supporting multiple subscribers per topic with message filtering and routing.
Built subscription management system with dynamic topic creation and subscriber registration.
Implemented asynchronous message delivery ensuring decoupled communication between system components.
Demonstrated understanding of distributed systems concepts and event-driven architecture principles.

Mini Game Development Projects 2023 - 2024

Game Developer | C & C++

Developed multiple mini games using C and C++ demonstrating low-level programming skills and game logic implementation.
Implemented game mechanics including collision detection, scoring systems, and player input handling.
Gained experience with memory management, pointers, and efficient algorithm design in resource-constrained environments.
Explored graphics libraries and console-based game development techniques.

TECHNICAL ACHIEVEMENTS

Production Deployment: Successfully deployed and maintained live web application serving real users with cloud infrastructure.
Database Design: Designed complex normalized database schemas with 20+ tables handling relational data and maintaining referential integrity.
Framework Development: Built complete MVC framework from scratch demonstrating deep understanding of web application architecture.
Version Control Mastery: Managed collaborative development with Git using branching strategies, pull requests, code reviews, and merge conflict resolution.
API Design: Created RESTful APIs following industry best practices with proper HTTP methods, status codes, and resource naming.
Security Implementation: Implemented authentication systems, role-based access control, input validation, SQL injection prevention, and CSRF protection.
GIS Integration: Successfully integrated mapping solutions with interactive features for geographic data visualization.
Microservices Architecture: Designed and implemented distributed system with independent services demonstrating scalability principles.

KEY COMPETENCIES

Full-Stack Development: Proficient in building end-to-end web applications from database design through backend APIs to responsive frontend interfaces. Comfortable working across the entire technology stack.
System Architecture & Design: Strong understanding of software architecture patterns including MVC, microservices, event-driven systems, and RESTful API design. Ability to architect scalable, maintainable solutions.
Database Management: Skilled in relational database design, normalization, query optimization, indexing strategies, and maintaining data integrity through constraints and transactions.
Problem Solving & Debugging: Analytical approach to identifying and resolving complex issues across multiple system layers. Experienced with debugging tools, log analysis, and systematic troubleshooting.
Code Quality & Best Practices: Write clean, readable, and maintainable code following SOLID principles and design patterns. Emphasis on code documentation and self-documenting code.
Version Control & Collaboration: Proficient with Git workflows including feature branching, pull requests, code reviews, merge strategies, and collaborative development practices.
Security Awareness: Understanding of web security principles including authentication, authorization, input validation, SQL injection prevention, XSS protection, and secure session management.
Learning & Adaptability: Quick learner capable of picking up new technologies and frameworks efficiently. Self-directed learning through documentation, online resources, and hands-on experimentation.

DEVELOPMENT PRACTICES

Testing: Familiar with unit testing concepts, integration testing, and manual testing strategies for web applications.
Documentation: Practice writing comprehensive code comments, API documentation, README files, and technical documentation.
Agile Methodologies: Understanding of iterative development, version control workflows, and collaborative coding practices.
Performance Optimization: Experience with database query optimization, caching strategies, and frontend performance techniques.

INTERESTS & FOCUS AREAS

Government & Public Sector Systems: Passionate about building technology solutions that serve communities and improve public administration efficiency.
Game Development: Enthusiastic about game design and development, creating mini games using C/C++ to explore game mechanics, graphics programming, and low-level system interactions.
Scalable Backend Architecture: Enthusiasm for designing distributed systems, microservices, and high-performance backend services.
Open Source Contribution: Eager to contribute to open source projects and collaborate with the developer community.
AI/ML Integration: Exploring ways to integrate artificial intelligence and machine learning into practical web applications.

ADDITIONAL INFORMATION

Comfortable working in Windows, Linux/Unix-based development environments with command-line tools.
Proficient with modern IDEs and text editors: VS Code, PhpStorm, PyCharm, Vim.
Active on GitHub with multiple repositories demonstrating various technical skills and projects.
Portfolio website: portfolio-chamu.vercel.app
Available for internships, collaborative projects, and full-time opportunities starting 2026.