Prabhaji Sonnadara Email & Phone Number

Colombo, Wp, Lk

Sri Lanka

Developed and implemented SMS, Payment, and USSD Gateway Adaptor microservices tailored for telecommunication operators, enabling seamless payment, SMS, and USSD features for their end-users.Implemented REST APIs for Payment Gateway, facilitating Charge and Refund operations for telco operators in the Axiata group across Asia.Developed a REST API for an SMS Gateway, streamlining functionalities such as sending SMS, receiving SMS, and receiving delivery notifications for end-users of telecommunication operators. Developed and deployed the "BlacklistScriptGenerator," an external tool aimed at streamlining the MSISDN blacklisting functionality for payment APIs in Payment Gateway through the utilization of core Java.Integrated Redis cache to store backend responses during prepaid/postpaid checks in MSISDN validation, thereby enhancing the overall performance of the application.Designed and implemented a versatile pluggable module within Adaptor microservices, allowing seamless integration of customer-specific logic without compromising the core functionality of the service.Worked on writing unit tests for Java applications with a minimum coverage of 80% using the Mockito framework. Established Jenkins jobs to streamline CI/CD processes, while also integrating SonarQube with Jenkins to uphold internal quality standards. This integration played a pivotal role in maintaining high levels of code quality and test coverage.

Sri Lanka

Designed and implemented REST-to-Diameter and REST-to-SMPP microservices for protocol conversion in alignment with backend services, utilizing accrued knowledge of Diameter and SMPP protocols.Involved in the development, deployment, and management of microservices using Java Spring Boot, playing a key role as a core backend team member.Implemented Redis cache to improve system functionality, boosting overall application performance.Designed and implemented SOAP APIs using WSO2 API Gateway and Enterprise Integrator to facilitate E-SIM service provisioning and activation for Apple devices.Contributed to the development of a data publisher component for publishing product pricing details for analytical purposes.Implemented the integration of microservices with the Identity and Access Management (IAM) Established Jenkins jobs to streamline CI/CD processes, while also integrating SonarQube with Jenkins to uphold internal quality standards. This integration played a pivotal role in maintaining high levels of code quality and test coverage.Gained experience working in the 24x7 DevOps L3 support team and provided technical solutions for production issues/incidents raised by customers.

Worked closely with the major products of WSO2 such as WSO2 EI, WSO2 APIM, and WSO2 DAS and was involved with the development and deployment of WSO2.Telco products such as HUB, External gateway and Internal Gateway which are developed based on WSO2 products, for the telco industry.Involved with the development and production deployment of the Adapters (SMS, USSD, Payment) for the Telco clients in Malaysia and Cambodia. Implemented REST to Diameter and Rest to SMPP microservices to facilitate convenient access with adaptors to Telco backends using Spring boot based solutions.Integrated microservices with the platform's IAM solution to provide a centralized authentication and authorization mechanism.Completed a Dev service by designing and implementing SOAP APIs using WSO2 API Manager andEnterprise Integrator to facilitate E-SIM activation and service provisioning for Apple devices.Got an experience working in the DevOps support team and providing technical solutions for product-related issues.

Malabe

Designed and implemented a testing tool to support the Quality Assurance team in conducting component testing for LSEG surveillance products using Java.Utilized the internal Java framework "Fortress" to craft simulations for surveillance components, contributing to comprehensive testing procedures.Implemented validation profiles to ensure the accuracy and reliability of data across various components.Gained valuable exposure to agile development and scrum methodology, fostering a collaborative and iterative approach to project execution.

Bsc In Computer Science, Computer Science

Activities and Societies: Student member of Compsoc, UCSC, Volunteered for “Hackaholics” coding competition, Student member of IEEE WIE.

Education record

Activities and Societies: Member of Board of Prefects in Sujatha Vidyalaya, Matara.

Cmjd ( Comprehensive Master Java Development) Course, Programming In Java