Experienced software engineer specializing in leading innovative solution development. Successfully spearheaded the creation and deployment of "XENO," a sophisticated HR optimization tool featuring multi-tenant architecture. Proficient in providing technical mentorship, designing robust payroll functionalities, and developing REST APIs. Skilled in Git management, Swagger configuration, and production support. Passionate about leveraging technology to solve complex problems.Specialties:- Requirement analysis- Technical documentation- Multitenant architecture- REST API development- Swagger configuration- Git repository management- Production support and issue troubleshooting

- Implemented Sri Lanka's Smart Vaccination Certificate (SVC) for Covid-19 using DIVOC and integrating with the Ministry of Health's DHIS2 system, issuing over 2M SVCs to date.- Migrated Hospital Health Information Management System(HHIMS) application to cloud infrastructure in Sri Lanka Diabetic Compass project supported by World Diabetes Federation, ensuring FHIR compatibility and optimizing data management.- Development of the Covid-19 Patients Management System, focusing on data organization and real-time monitoring.- Provided SMS solutions for patient management and appointment scheduling, ensuring accessibility.- Implemented robust backend APIs for the National Fuel Pass System.- Developed REST and SOAP APIs, exposed public APIs through WSO2 API Manager.- Integrated Bank of Ceylon payment gateway with Lanka Government Payment Service.- Provided technical guidance and mentorship, managed Git repositories, reviewed merge requests.- Enhanced application performance and orchestrated deployment through Kubernetes on Lanka Government Cloud.- Actively involved in production support, troubleshooting issues, and handling customer complaints.

- Collaborated with the team to review user stories, analyze requirements, and prepare technical diagrams for development guidance.- Developed a Travel Solution using microservice architecture to manage reservations, inventory, and back-office operations efficiently.- Implemented each aspect of the solution as separate microservices for independent development and scalability.- Utilized RESTful APIs for seamless communication between microservices.- Implemented service discovery and load balancing mechanisms for high availability and fault tolerance.- Utilized event-driven communication patterns with message brokers like WSO2 MB for asynchronous communication and decoupling.- Provided technical guidance and mentorship to junior team members.- Reviewed and accepted merge requests to maintain code integrity.- Improved performance in identified time-consuming processors through performance tuning.- Actively participated in production support and issue resolution.

- Conducted reading of requirement specifications and analysis to prepare technical documentation for development guidance.- Integrated WSO2 ESB with other WSO2 products to create comprehensive middleware solutions.- Designed, developed, and maintained integration solutions using WSO2 ESB for seamless communication between disparate systems.- Implemented mediation sequences, message routing, and transformation logic within WSO2 ESB to support various integration scenarios.- Configured and optimized WSO2 ESB instances for high availability, scalability, and performance.- Enhanced performance of GovSMS and Lanka Government Payment Service (LGPS) applications through MySQL database replication.- Integrated Paycorp payment gateway with LGPS to enable seamless online transactions.- Enabled online payment functionality by integrating LGPS payment solution into various systems.- Implemented mobile-terminated SMS solutions for all eServices through GovSMS application.- Implemented mobile-originated service enabling students to check their university selection status via SMS for the University Grants Commission of Sri Lanka.- Managed Git repositories for version control, implemented effective branching strategies, and facilitated collaborative development workflows.- Reviewed and accepted merge requests to maintain code integrity.- Provided production support to troubleshoot issues and address customer complaints, ensuring seamless service delivery and user satisfaction.

1.Involved in Dialog TravelCard project.The project was mainly focused on giving the NFC payment solution for theold ticketing procedure in public transportation sector. As well as aiming toreduce the rush and the workload of the conductor and also to prevent otherpossible corruptions.Technologies Used: Java, WSO2 Enterprise Service Bus(ESB),MySQL.2.Involved in Dialog eZCash projectThe project was mainly focused on introducing NFC related payment solutionsfor the common currency transactions such as bill payments, institutionalpayments and money transfers etc.Technologies Used : WSO2 Enterprise Service Bus(ESB),MySQL3. Involved in Dialog Star point project.Star points project was aimed to give customers an optional payment solutionother than the direct money payments. Customers are able to increase theirstar points account balance by purchasing items from relevant businessstores and outlets. And also they can spend their star points credits to dopurchases behalf of money from selected business places as well.Technologies Used : WSO2 Enterprise Service Bus(ESB),MySQL. 4.Involved in Dialog Axiata Line Balancing Project(NFC Enabled).Technologies Used: Java, WSO2 Application Server,WSO2 Enterprise Service Bus(ESB),MySQL.