Hi, my name is
Sameera Sanjeewa
Innovative Software Engineer with 6+ years of experience engineering high-performance web applications. Specializing in backend architectures with Laravel and crafting fluid user interfaces with Vue.js. Focused on building secure, scalable enterprise systems, optimizing complex databases, and writing clean, future-proof code.
** Where I've Worked
Software Engineer (Backend) @ Elegant Media
2023 - 2026Melbourne, Australia (Remote)
- ▹ Architected high-throughput Laravel backends supporting 200,000+ active users, achieving 99.9% uptime.
- ▹ Optimized multi-tier AWS environments (EC2, RDS, S3, CloudFront), enhancing application performance by 25%.
- ▹ Engineered real-time features integrating Twilio and Agora APIs for instant messaging and video streaming.
- ▹ Designed and managed automated CI/CD pipelines (GitHub Actions, Docker) reducing deployment downtime by 40%.
Full Stack Developer @ Shraddha Media Network
2019 - 2023Colombo, Sri Lanka
- ▹ Developed core business apps using Laravel & Vue.js, automating workflows and reducing manual work by 40%.
- ▹ Optimized complex MySQL database schemas and query structures, resulting in a 30% reduction in production server load.
- ▹ Designed and deployed a highly secure custom Donation Management System, improving accounting accuracy by 35%.
- ▹ Modernized legacy interfaces into high-performance SPAs using Vue.js, Pinia, and Tailwind CSS.
** Technical Expertise
Architecture & Backend
- PHP (7.x, 8.x) / OOP / Design Patterns
- Laravel (Monolithic & Multi-tenant)
- Java & Python Development
- RESTful API Architecture & Design
- Clean Architecture & SOLID Principles
Modern Frontend & State
- Vue.js (2 & 3 with Composition API)
- React.js & TypeScript
- State Management (Pinia / Vuex)
- Inertia.js & Laravel Blade Templates
- Flutter (Cross-Platform Mobile Application)
Data Layer & Optimization
- MySQL (Schema Design & Indexing)
- Database Query Optimization
- Redis Caching & Data Management
- Firebase Realtime Database
- Polymorphic Relations & Audit Trails
DevOps & Quality Assurance
- AWS (EC2, S3) & Ubuntu VPS Management
- Nginx Web Server Configuration
- CI/CD (GitHub Actions) & Docker
- TDD / Automated Testing (Pest, PHPUnit)
- E2E Browser Testing (Playwright, Dusk)
** Featured Projects
Sermon Manage Application
Full Stack Developer
A secure multi-tenant sermon management system featuring public request workflows, multi-role access control, and native bilingual support (English & Sinhala).
UTIC — Service & Logistics Platform
Backend Software Engineer (PHP)
An enterprise-grade on-demand service fulfillment and logistics ecosystem in Australia, powered by a robust centralized backend handling high-concurrency mobile application APIs, real-time tracking, and automated service matching.
Parent Seeking — Social Platform
Backend Software Engineer (PHP)
A secure, features-rich online dating and matchmaking web application specifically designed for single parents to connect, chat, and build meaningful relationships within a trusted community.
Hospoto — Job Board Platform
Backend Software Engineer (PHP)
A specialized full-stack recruitment platform and job board tailored for the hospitality industry, connecting employers with top-tier talent through smart job matching, interactive company profiles, and seamless application workflows.
Online Payment Gateway Platform
Full Stack Developer
A secure online payment integration platform developed for Shraddha Media Network to process digital donations through the Sampath Bank Paycorp gateway.
Donation Management Platform
Full-Stack Developer
An enterprise-grade, multi-role, and multi-department internal ERP system designed for Shraddha Media Network to track and manage organization-wide donation records, automate monthly donor subscriptions, and generate digital merit certificates (Punyanumodana).
** Education & Certifications
BSc (Eng) in Computer Engineering
University of Peradeniya, Sri Lanka
2015 – 2019Full Stack Web Development
University of Moratuwa × DP Education
2022Flutter Mobile Development
Franklin Training Institute
2022OCJP — Oracle Certified Java Professional
Dakma Certification Center, Matara
2015Get In Touch
I am currently open to new opportunities, freelance projects, or just networking. Drop me a line!