Designing, developing, testing and deploying of an Early Warning Disaster Management System as a Full-Stack developer.Project domain: Disaster ManagementApplication name: Mee-Oya Flood Warning SystemApplication components: Flood simulation controller, Early warning systemCore modules: GIS, Register, Scheduler, SMS, SecurityDevelopment platform: Linux and WindowsServer-side: Java, Spring Boot, Maven, Hibernate, LombokClient-side: Angular, NgRx, Sass, Leaflet (GIS), Chart.jsRDBMS: MySQLAPI testing: PostmanSecurity: Bcrypt Password Encoder, JWTLogging: Apache Log4jScheduling: Cron Job (Linux), Task Scheduler (Windows)Source code management: GitHubDeploy: VPS (Ubuntu), Apache Tomcat

Designing, developing, testing and deploying of an ERP web application as a Full-Stack developer.Client’s domain: Building service engineering consultationApplication name: Payroll and Invoicing SystemCore modules: HR, Tracking, Project, Quotation, Invoicing, Payroll, Account, ReportSupportive modules: Admin, ApprovalArchitecture: JSP Model 2 with MVCSystem design: Usecase diagrams, usecase narratives, class diagram and sequence diagramsData modeling: ER diagramDevelopment platform: LinuxRDBMS: MySQLServer-side: Java, Spring Boot, Maven, Hibernate, LombokAPI testing: PostmanClient-side: React, Redux, Axios, React Bootstrap, CSS, SassSecurity: Bcrypt Password Encoder, JWTDeploy: AWS, Apache Tomcat

Research AssistantUniversity of PeradeniyaJan 2011 - Dec 2013Peradeniya, Sri LankaDeveloped a numerical hydrodynamic model to analyse climate change impacts.Senior LecturerNorthshore College of Business and TechnologyAffiliation: University of the West of England, UKMar 2015 - Mar 2017Colombo, Sri LankaLecturerUniversity of Vocational TechnologyOct 2017 - Oct 2019Ratmalana, Sri Lanka

Performance as evaluated by Virtusa:2008/2009 – Consistently exceeds expectationsProject: Enterprise Application Development & Maintenance-------------------------------------------------------------------------------------------Scope:Automate and integrate key internal business processes and maintain internal enterprise application suite.Project environment:Windows, SQL, Apache, JBoss, Changepoint, Digite, Fiddler, enterprise application suiteTesting tools:QTP, LoadRunner, DigiteTasks performed:Prepared test plans and estimations.Created and executed test cases, reported defects in ‘Digite’ and followed up on fixing them.Analysed LoadRunner results, application log files, SQL profilers and identified issues and bottlenecks.Searched for tuning parameters to eliminate performance bottlenecks.Designed a Test Automation Framework.Conducted training sessions on test automation.Prepared Requirement, Change Request, and End User Guideline documents.Conducted acceptance testing.Tested implementation of database mirroring.

2006 Jun – Associate Eng. >> 2007 Jan – EngineerPerformance as evaluated by Virtusa:2006/2007 – Exceeds expectations2007/2008 – Fully meets expectationsProject: Aetna Test Automation------------------------------------------------Scope: Automate testing the business process of the health insurance application of Aetna Inc, USA.Test environment: Windows, Mercury Quality Center, Mercury QTP, Clear Quest, VBScriptTest approaches:Test Automation using Screen Based ApproachTest Automation using Scenario Based ApproachTest Automation in Quality Center using Mercury Business Process Testing ApproachTasks performed:Created test plans, test matrices and test cases.Prepared test automation effort estimates.Built automation scripts using QTP and VBScript.Executed test cases and updated test execution logs.Analysed and documented test results.Tracked defects in Clear Quest and follow up on fixing them.Peer reviewed test automation scripts.Ramped up new team members sharing knowledge.Interacted with the dev team and the client.Created a POC for Scenario Based Test Automation Approach.Project: Nuance InstallShield-------------------------------------------Scope: Create advantages for Nuance Communication Inc, USA by providing quality solutions in managing InstallShield scripts of the Dragon Naturally Speaking (DNS) software and eliminating DNS application installation risks.Test environment: Windows, Dragon Naturally Speaking, VMWare, SilkTestTasks performed:Modified and upgraded the SilkTest based regression test suite for the DNS upgrade scenarios.Prepared virtual instances of DNS installation environment using VMware Workstation.Executed automation testing suite for upgrade scenarios.Analysed and documented the test results.