Software Engineer – Intern at Sri Lanka Telecom PLC

Developed SLT – Tier Management System using React JS, Spring Boot, HTML, CSS, MongoDB, Hibernate (ORM) and Thymeleaf. Implemented authentication via Microsoft Azure and used Bitbucket for version control. Adopted Agile methodologies and REST APIs with MVC architecture. Also developed SLT - Appointment Booking System and SLT - Employee Management System using the same tech stack.

IT Technician - Intern at Ceylon Petroleum Cooperation

Developed an Inventory Management System to retrieve inventory details for the IT Department. Used Java and MySQL. Performed network troubleshooting and hardware configuration.

IT Teacher at Mount Calvery High School

Developed the MCHS Management System to make the school management process efficient. Used C# with .NET Framework and Microsoft SQL Server. Also fulfilled responsibilities as a teacher in information technology.

Software Engineer — Intern at Sri Lanka Telecom PLC

Designed and developed the SLT Tier Management System — a production full-stack web application built with React JS, Java Spring-Boot, HTML5, CSS3, MongoDB, and Hibernate ORM — handling real-time CRUD operations for 200+ users via RESTful APIs. Engineered the SLT Appointment Booking System and SLT Employee Management System using the same technology stack, delivered iteratively within Agile/Scrum sprint cycles. Integrated Microsoft Azure for secure user authentication and identity management across all three enterprise systems. Applied MVC architecture and RESTful API design patterns to ensure clean code separation, scalability, and long-term maintainability. Managed all source code, branching workflows, and pull-request code reviews via Bitbucket, maintaining zero critical defect releases throughout the internship tenure. Produced and maintained comprehensive technical documentation including API specifications, system architecture diagrams, and user manuals to support cross-team