Lasitha Konara Email & Phone Number

Sri Lanka

Currently working as a Senior Tech Lead in Cloud based .Net Core developments. Mainly maintains a Sweden based high performance payment gateway which handles several payment processors like Swish, Vipps and Klarna. Have better understanding on ISO 8583 standard which helps to communicate with payment processors like VISA,Master,Amex etc, and SPDH protocol. The modules are deployed in Azure cloud by using Azure DevOps. Entire Azure cloud architecture, infrastructure and DevOps process was developed and configured by myself. Azure App Service management along with Application Insights for better troubleshooting and logging.All the development work is carried out in a PCI compliant environment with proper coding and security standards.Have hands on experience in using Azure SignalR technology for quick responses to POS terminals disconnections, by enabling automated refunds and cancellations without any user intervention.Also have hands on experience in using the latest features of Azure Application Gateway like Mutual Authentication, with a s SSL certificate by enabling SSL profiling for respective listener. MS SQL database experience along with Azure SQL database. Engaged in Azure SQL database configuration, backup , Disaster recovery planning etc. Having databases in multiple Azure regions for redundancy and to increase availability.Helped to optimize cost in several Azure projects. Provide guidance to other developers sharing knowledge on how to develop .Net Core application with Entity Framework core and Azure

Sri Lanka

Worked as a Systems Architect, managing several e-commerce projects. Familiar with Microsoft Azure cloud services, currently migrating the old on premises Windows servers to Azure cloud while upgrading the code base. Have hands on experience in Azure App Services, Search Services (Cognitive Search),Front Door with Web Application Firewall - WAF ( Experience in applying custom firewall rules, Caching in point of presence (POP) Azure components to improve user experience and reduce latency),Azure Application Gateways (Experience in URL Re-write in gateway level),Azure Virtual Machines, VM Scale sets, Traffic Manager /Load Balancer functionality ,Auto Scaling functionality of Azure components (Scale up/down, Scale in/out),storage accounts, Azure CDN, Azure availability groups, Azure Defender, Application Insights for better troubleshooting, Alerting mechanisms, Disaster Recovery(DR) - Azure backup and site recovery and SQL High Availability(HA) Clustering . Also analyzed several automated Azure migration tools. Designed the entire migration system architecture. Compared the annual cost/required budget allocation using Azure costing tool. Also contacted several US/LK based Azure partners, requesting quotations for the cloud migration. After gathering all required cost information, presented the comparison to the management, recommending the most favorable cloud partner, which helped the organization to save a lot of annual cost on cloud infrastructure. I Manage the code base written in .NET and C#, perform code reviews for the development work done by the other developers. Also I implemented the continuous integration and continuous deployment (CI/CD) process to deploy the .NET applications in Azure Cloud App Services using Azure-DevOps enabling seamless/fully-automated agile development and deployment within the organization

Sri Lanka

Worked as a technical lead, managing several projects related to movie industry. I was recognized as the most outstanding star performer in the entire organization in the first quarter of 2020 (Among 150+ employees globally). Primarily acts as the technical lead for the Java Spring modules (ticketing, booking, restaurant, digital signage backend modules). Has experience in designing and implementing high complex algorithms (eg. Seat swaps between multiple screens, based on given aisle seat arrangements, intelligent social distancing engine implementation to be introduced along with cinema re-opening kit in USA to face the latest Covid-19 pandemic).Apart from technical tasks, engaged in sprint planning and team management activities to meet the given deadlines by the client. Also communicate with client who is based in United States, identifying the correct requirements and getting direct feedback for development work done in Sri Lanka, showing right direction to the team. Coordinating the development work with several teams located in several countries (South Africa, USA, Mexico, India and Poland). Conducting code reviews for the local developments to ensure the software quality and performance. Create software designs for all the new projects assigned to the team

Sri Lanka

Sri Lanka

Worked as a senior C++ developer in the iSwitch team ,who dealt with following • Handling Connectivity with Global Payment Processors (i.e. Visa, MasterCard, Amex, UPI, JCB, DCI). Have a better understanding on how each network handles payments.Actively participates in certifications to make sure all the payments processed according to respective standard.• Managing connectivity with Local and Regional Networks (i.e. NETS, MEPS, KFTC, ITMX, BANCNET).• Handling Inter-Bank Fund Transfers & Remittances.• Also deal with National Payment Networks (LankaPay).• Handling bank ATM and POS operations across the globe.• Actively participated in improving the switch product.• Used scrum practices to deliver projects to the clients.• Engaged in a lot of foreign projects , visiting client sites and managing the projects directly with clients,playing more than the role expected from a developer.(eg. Civil Bank Ltd,NMB bank Nepal & FTB Bank and LOLC Cambodia)

Sri Lanka

• Worked on mission critical high performance C++ back-ends and managed major high performance front-ends, which have up-time of 23+ hours a day, providing 24 hours on-call support• Carried out high complex Change Requests (CRs) for major solution projects (TP ICAP (UK,USA,Singapoure), Aequitas NEO Exchange (Canada) , Casablanca Stock Exchange (Morocco), Mongolian Stock Exchange) of Millennium Exchange• Acted as the primary developer of the Over The Counter team for FrontEndDriver, ServiceDesk and Trader components of Millennium Exchange• Carrying out a research with R&D architects ,on Feature Oriented Software Development using the languages JAVA , C++, String Templates and Antlr• Successfully upgraded above components of Millennium Exchange from version 16 to 38• Initiated and delivered performance improvements including front-end load balancing for above components of Millennium Exchange• Enhanced customer usability experience by introducing new features with the help of business analysts. Also provided useful tips to business analysts to enhance product• Designed and implemented software with adhering to latest industry practices• Has experience in troubleshooting issues in both local and production systems and improved knowledge of software debugging. Used tools like Valgrind,Calldrind, GDB and Coverity in order to identify and rectify issues in the system • Issue tracking, documentation, code review and software version controlling experience using Atlassian tools (JIRA, Confluence, Stash, Crucible) • Always provided root cause analysis for issues in production issues with minimum time• Carried out comprehensive developer testing for the change requests and issues, providing video and documented test reports• Took part in client calls and given clarification on their demand • Acted as a key team member and has experience in agile methodologies. • Has helped in configuring an actual production system by providing the required configurations

Sri Lanka

• Worked as a software engineer in Trading Systems Division as a high performance front-end (Qt) and back-end (C++) developer.• Went through 3 months thorough MillenniumIT training program on C++ language and Object Oriented Design (OOD). At the end of the program ,developed a mini automated trading system (ATS) back end using C++ and a front end using JAVA • Familiar with C++ ,Qt, Java & have hands on experience in using Linux VI editor ,Microsoft Visual Studio , IntelliJ IDEA & Git version controlling platform.

Central Office,Colombo

• During the period of 6 months, engaged in two major software projects & in Huawei,ZTE & Ericsson BSC modernization project.• Did feasibility studies, AoIP conversions & site transfers, WIFI analysis.• Got hands on experience on 3G & 4G technologies. One of the projects done (Dialog Axiata Disaster Recovery Planning System) ,helps Dialog to save millions of money every year which increases its profitability. The project was personally evaluated by the Senior General Manager & appreciated a lot.T he results were also appreciated by CTO of Dialog & Axiata group Malaysia.

Department Of Electronic And Telecommunication Engineering,University Of Moratuw

The Electronic Club is the official students' body of the Department of Electronic and Telecommunication Engineering of University of Moratuwa. Here at E-Club, students get the opportunity to involve in many extra curricular activities, ranging from organizing various academic, sports, cultural, CSR and other official events in the university as well as participating in academic and professional events outside the university.• Organised many E-care programs which were organised by E-club to serve the community to show the corporate social responsibility • Tronic Premier League 2011, the annual intra department cricket tournamnet• Tronic Padura 2012, the cultural musical event• Organized Sri Lankan leg of International Robotics Challenge (IRC) in collaboration with Indian Institute of Technology(IIT),Bombay,India in year 2011 and 2012.• E Forum 2012, the annual forum of the Department of Electronic and Telecommunication Engineering

Master Of Science (Msc) In Computer Science Specialized In Software Architecture, Computer Engineering, Gpa - 3.78

Offered by The Department of Computer Science and Engineering (CSE)

Bachelor Of The Science (Bsc) Of Engineering, Electronic And Telecommunication Engineering, First Class Honours , Gpa - 3.74

Activities and Societies: An active member of the Electronic Club and worked as a committee member.Offered by The Department of Electronic.

Professional Qualification, Passed Finalist, Cima Passed Finalist (2014)

Chartered Institute Of Management Accountants (Cima), Project Management,Management Accounting,Marketing,Human Resource Management, Cima Passed Finalist (2014)

Physical Science Streme

Activities and Societies: Was a member of the Science Society from year 2006-2008 Got a price for general proficiency at the prize giving.

Education record

Activities and Societies: Was the school swimming captain from year 2004-2005 Was in the school Shakespeare Drama Society. Was a prefect.