Thathsarana Weerakoon Email & Phone Number

Colombo, Western Province, Sri Lanka

As a senior developer to the DIM Core Platform team, I am:- Overseeing and guiding junior developers, providing technical direction and making key architectural decisions for smooth and efficient APIC (Sysco's API management platform) migration.- Contribute to and enhance APIC 3.0 design and architecture to develop scalable, efficient, and maintainable software services, ensuring alignment with business requirements.

Colombo, Western Province, Sri Lanka

As a developer to the DIM Core Platform team, I have:- Contributed to the enhancement of Sysco's API Central 2.0, a robust API Management platform that empowers product teams to manage the full lifecycle of enterprise services/APIs across various business domains.- Led evaluations for the migration from APIC 2.0 (Apigee Edge) to APIC 3.0 (Apigee X), conducting a thorough examination of functional and business requirements to support informed decision-making.- Executed Proof of Concepts (PoCs) and conducted R&D, providing valuable insights into the platform's capabilities, strengths, and potential challenges, shaping a strategic approach for a successful migration.- Designed and developed a APIC Mgmt Auxiliary Service to streamline authentication and authorization processes for Google APIs and to facilitate efficient team and user management within APIC 3.0.- Provided technical support to the team, sharing knowledge and understanding on complex matters to ensure project success.- Advocated for best practices and standards within the team, taking proactive steps to align processes and rectify deviations to maintain high-quality outcomes.

Sri Lanka

As a developer in the P8-Core-Platform team I have:- Designed, developed, and maintained platform software in alignment with project requirements.- Collaborated with cross-functional teams to analyze user needs and create efficient, scalable solutions.- Actively troubleshooted and diagnosed application issues for seamless operation.- Played a key role in bug identification and resolution, ensuring prompt and effective solutions.- Conducted comprehensive code reviews to uphold coding standards and best practices.- Led Quality Engineer responsibilities, designing and executing test plans for software reliability.- Implemented automated testing processes, enhancing testing efficiency and reducing manual effort.- Spearheaded Non-Functional Requirements (NFR) tuning for improved system responsiveness.- Undertook refactoring efforts to enhance fault tolerance and resilience of critical system components.Key contributions during the tenure includes but not limited to:- Introduced a new caching component, transitioning from Redis to MongoDB, significantly improving the system's caching capabilities and query flexibilities.- Actively contributed to vulnerability fixes, ensuring the security robustness of the system and maintaining a resilient infrastructure.- Handled the AWS SDK migration initiative from version 2 to version 3 for all Node.js components, aligning the technology stack with the latest advancements and best practices.

Colombo, Western Province, Sri Lanka

Worked as a senior developer in software engineering team and continue the tasks and responsibilities held during previous tenure with more involvement in planning, estimation and making technical decisions.I have mainly contributed to the following applications:• CARBAN - A fully functional cloud native e-commerce platform for auto-mobile spare parts.• TKYNX - An open music production data market that provides VSTi presets, Audio Plugin presets,Audio Plugin Chain presets, Session Templates to minimize music production time.

Colombo, Western Province, Sri Lanka

I worked as a developer in software engineering team and performed the followings:- Contributed to the ongoing deliverables.- Overseen the entire software development life cycle along with the other team members.- Applied engineering best practices such as proper version controlling, unit testing, performance testing, code quality guidelines, CI/CD, TDD, etc.- Worked on application testing, deployments, and maintenance activities.I have mainly contributed to the following applications:• Green Map - A cross-platform mobile application for worldwide users to help cleaning the trash in natural places that usually are on hiking paths and unreachable for authorities to clean.• Cupido - An IOS application that analyzes dating profiles and tells users how to improve it to suit their personality and dating goals, get quality matches on their favorite dating app, present their best visual version, create a better first impression and etc.• Empire Properties - A web application that facilitates buying and selling real estate assets.

Colombo, Western Province, Sri Lanka

As a developer in CAKE Payments team at MadMobile, I got the chance to:- Design and develop new features and improvements for the requirements that come from Product team.- Build and deploy the artifacts into development and testing environments.- Perform unit testing, integration testing, performance testing in development environment.- Plan, document and perform internal releases for new features, improvements and bug fixes.- Contribute to the project management activities via proper use of tools and practices.- Participate in regular engineering practices like design reviews, code reviews, scrum ceremonies, DevOps, etc.- Involve in technical discussions and coming up with design decisions, design diagrams, optimal solutions, etc.- Work closely with QE and Operations teams to ensure the proper quality, test coverage and smooth software deployment and maintenance.- Troubleshoot and debug applications when there are issues related to production and other test environments.- Assist other teams with the issues and clarifications on the software components maintained by Payments team.During my internship period, I have mainly contributed to the following releases.- Batch job execution support from Payment Admin Console (PAC).- Re-onboarding process for Litle merchants to Payment Gateway (PG).- PCI and Log4j vulnerability fixes.- Onboarding approval process for review and rejected merchants through PAC and Admin API.- Beneficiary owner management support for CAKE Payment Applications.- PAC activity log improvements for non-merchant functionalities.- CAKE PG integration with Ingenico Gateway.In addition to that, I have worked on a PoC on isolating PG testing via WireMock integration and given my fullest contribution for the PCI re-certification for 2022 cycle.

Colombo, Western Province, Sri Lanka

A six-month training program on Linux Systems Administration and DevOps Engineering followed by a two-month long final group project.

Colombo, Western Province, Sri Lanka

Performed the same tasks and held the same responsibilities that I did during my previous tenure as a production associate with more focus towards quality.Key Achievements:Improved certification up to spot sampling levelGot trained for production planning

Colombo, Western Province, Sri Lanka

As a production associate, I was responsible for gathering, analyzing and specifying clients’ requirements, direct communication with overseas clients, colleagues and management, providing clear manuscript for typesetting and performing QC on reviews done by other non-certified editors.In addition to that, meeting tight deadlines, maintaining proper email chains, analyzing and discussing quality reports in quality meetings, handling issues occur in the process and providing solutions for them are mandatory tasks that were performed by me.Key Achievements:Became a certified editor within 4 monthsMade some process improvements with automation ideas

B.Sc. (Hons), Software Engineering

Activities and Societies: IEEE Student Branch of UCSC, Mozilla Club of UCSC, IEEE Computer Society Student Branch Chapter of UCSC, MLSA.

G.C.E. (O/L) & (A/L - Physical Sciences)

Activities and Societies: Swimming and Life Saving Association, Senior Science Society, English Announcing Club, Taxila Music Circle.