Osada Wathsala Kalubadanage

Passionate computer software professional with more than 8 years of experience in enterprise application development. The key areas of expertise are Java/EE technologies such as EJB, Struts, spring, JSP, Servlet and others. Proficiency in working with the wide range of domains, including hotel reservation system, inventory management system, real estate property management system, mobile solution for integrating with retail platform, workflow management, school management system, document management system. Personal involvement in these domains lasts from the high-level design stage through to the implementation stage.

EDUCATION AND CERTIFICATES

• BSc special Honors, Information Technology [ Sri Lanka Institute of Information Technology ].
• Sun Certified Programmer for the Java 2 Platform, Standard Edition 5.0 [310-055], Jan 2007.
• Sun Certified Web Component Developer for the Java 2 Platform, enterprise Edition 1.4 [310-081], May 2007.
• Sun Certified Business Component Developer for the Java 2 Platform, Enterprise Edition 1.3 [310-090], Nov 2007.
• Sun Certified Developer for Java Web services [310-220], May 2009.

ACCOMPLISEMENTS

Senior Software Engineer

• Identify necessary technologies to support high availability, scalability, and developer productivity.
• Designed and implemented backend scalable architecture.
•  Re-Factoring of the legacy code to introduce declarative transaction and integrate with the new infrastructure services.
• Guiding team members to ensure maximum leverage out of the ORM layer and JPA best practices.
• Conducted the research and successfully optimized the performance and replaced the technical components with effective technical frameworks.
• Designed and developed an authentication and security module in the project using spring security.
• Designed and implemented the internationalization extensions that assured fast and easy localization of the web application.
• Design and developed search engine contents optimization by means of using Apache Lucene, and Hibernate search technology.
• Successfully designed and introduced REST APIs that provides sophisticated, effective and low cost integration of the applications.
• Developed the module for integrating external system using spring web services, and Jboss ESB.
• Participated in designing and implementing of highly configurable work flow engine.
• Looking in to production issues, software bugs and finding fixes.
• Technical consultancy and provide the technical leadership.
• Engaged with customers to understand and address their needs.
• Code review and peer review.
• Mentor junior team members.
• Conduct of technical session to improve team technical knowledge.

Software Engineer

• Performed module development for a real estate property portal. Designed solution targeted for the UK region including an administrative console to manage property and a public site for property displaying.
• Developed a real estate property XML extraction module based on FastcropX1 XML property Interchange format v1.5 for the Real Estate property solution.
• Developed a JSON based web API for integration with iPhone application along with web pages supporting iPhone devices.
• Completely developed an end to end BlackBerry mobile application integrating a retail and promotional platform for the US based customers.

Software Developer

• Was involved in designing, development, object mapping of the persistence layer for several requirement.
• Responsible for troubleshooting and debugging of the system after the first phase implementation with clients.
•  Mentoring and training interns.
•  Lead Java/JEE developer of the Costamar portal.
•  Integration and manage overall deliveries of the solution.
•  Central code repository enhancement and branch revamping.