Sharada Deshan

Works for OCBC Bank as a Software Engineer on Customer Wealth Account Management.

• Implementing adapter Microservice for communicating with IBM MQ using Java, Spring Boot and Apache Camel.
• Enhancements to existing services to resolve production issues and handle new business requirements.
• Root cause analysis, troubleshooting and resolving issues in SIT and UAT environments.
• Technologies - Java, Spring Boot, PostgreSQL, Kafka, OpenShift, Apache Camel, IBM MQ, Kibana.

Implements Financial Risk Management platform for Financial firms in USA.

• Worked as Associate Technical Lead and team lead of a Product development team.
• Full stack developer for implementing system features using Java, Spring Boot, React and AWS.
• Implementing event driven architecture for communication between system components.
• Developed concurrent and multithreaded applications.
• Implementing services for managing notifications generated by different components of system.
• Replacing REST API communication between Frontend and Backend services with Web sockets.
• Cloud formation scripts using Boto3.
• Environment resource management using AWS lambda.
• Implementing MFA for user login with an external authenticator App.
• Performance enhancement of system to reduce latencies in complex calculations paths using inmemory datastore mechanisms and multithreading.
• Implementing stress test calculations for Equity options,futures/forwards.
• Integrating Fireblocks with the system for handling crypto borrowing and lending operations.
• Technologies - Event driven architecture, Java, Spring Boot, React, MySQL, Redis, AWS, AWS Lambda, Boto3, Web Sockets, Kafka.

CRM System for Celcom, Malaysia

• Implemented CRM system for Celcom Axiata to manage customer service operations.
• Worked as technical lead of backend development team.
• Implemented microservices and adapters for communication with external services.
• Involved in conversations with offshore clients on architectural decisions and system requirements while actively engaging in development of services.
• Technologies - Java, Spring Boot, PostgreSQL, Redis, SAML, Azure AD

Business Support System for XL Axiata, Indonesia

• Implemented microservices for XL Axiata to support various business scenarios.
• These services are responsible for handling requests from 50 million customer base of XL Axiata.
• Developed microservices focusing on low latency and high throughput to meet system requirements.
• Involved in conversations with offshore clients on architectural decisions and system requirements while working as lead backend developer.
• Implemented Spring Boot Microservices, Kafka Consumer.
• Processing CSV files using Spring batch for bulk data imports.
• Diameter Adapter to communicate with diameter interface of Huawei Charging System
• SAML authentication with Azure AD for securing UI backend services.
• Microservices developed for query operations support around 2000tps. Performance testing using JMeter and Karate.
• Support during system live deployment and live system issue resolving.
• Technologies - Java, Spring Boot, Kafka, MySQL, Redis, SAML, Azure AD, Jmeter, Kubernetes, GCP, Diameter Protocol, Karate

SMSC Client for Dialog Axiata, Sri Lanka

• Implemented client application to connect with Dialog SMSC using SMPP protocol.
• Supports both mobile terminated and mobile originated messages.
• Technologies - Java, Spring Boot, Apache Camel, Cloud Hopper, MySQL, Redis

Revamping Customer Package Management service for Dialog Axiata, Sri Lanka

• Revamped the application used for managing customer mobile connection data/voice package activation and modification.
• All the data related to customer and packages are stored in Oracle Databases. Used Stored procedures and PL/SQL for interacting with the database.
• Technologies - Java, Spring Boot, PL/SQL, Oracle

Web Service Mediator for Charging system migration of Dialog Axiata, Sri Lanka

• Implemented a Web service mediator for SOAP to SOAP Conversion of Charging System Web Services Using Java, Spring Boot and WSO2 EI.
• This project was critical for the migration of Charging system of Dialog Axiata.
• All the core business operations of Dialog Axiata for 2 million customer base are currently happening through this system.
• Analyzed and resolved production issues during the migration period.
• Technologies - Java, Spring Boot, WSO2 EI, SOAP web services, Redis, Kubernetes

SOAP to Rest Conversion for Dialog Axiata, Sri Lanka and Celcom, Malaysia

• Implemented automation scripts to convert SOAP APIs to REST using Java, Sprint Boot and WSO2 EI.
• These scripts analyze WSDL files and web service documentation to generate API conversion logic and swagger files.
• Technologies - Java, Spring Boot, WSO2 EI, WSO2 AM, SOAP Web Services, Redis, Kubernetes.

TMF API Development

• Worked in research and development project to Implement a microservice architecture required for Telco companies according to TMF standards.
• Technologies - Java, Spring Boot, PostgreSQL, MongoDB, Kafka, Redis.

• Gained hands-on experience in various aspects of software development life cycle.
• Contributed to design and development of solutions while working closely with senior software engineers and project managers.
• Learnt about writing clean, efficient and maintainable code.
• Technologies - Java, Spring Boot, MySQL, Git, Docker, Kubernetes.