Peter Leonard Paul Asirvatham

Designing and implementing scalable, secure, and high-performance backend systems and REST APIs.

• Designed and built microservices using Spring Boot and AWS.
• Built and optimized RESTful APIs.
• Implemented authentication, role-based access control, and secure session management.
• Implemented cloud-native solutions using Fargate, SQS,DynamoDB.

Implemented large-scale vendor processing using Apache Storm, Spring Batch. And message integration with SNS/SQS.

• Implemented large-scale vendor processing using Apache Storm.
• Created AWS Lambda + SQS + DynamoDB workflows.
• Developed REST APIs using Spring MVC and iBatis.

Designing and Integration with Mule from SAP -Commerce cloud for other 3rd party integration.

• Took ownership of integrating various Hybris backend systems to ensure seamless functionality.
• Implemented OKTA-based Single Sign-On (SSO) integration for secure and unified authentication within Hybris.
• Developed and integrated tax calculation services to support accurate and automated taxation workflows.

Designed and integration and MyAccount modules, implementing SAP-PI order integration and delivering seamless Avalara tax integration within Hybris.

• Implemented Avalara tax integration to support accurate, automated tax calculation within Hybris.
• Implemented SAP-PI integration with Hybris to enable seamless and reliable order processing.

Designing and Implementation Interactive Voice Response, using avaya orchestration designe, Spring framework and REST web services).

• Designed and developed the IVR system using a three-layer architecture built on the Spring framework.
• Applied Object-Oriented Analysis and Design (OOAD) principles to model and implement the call flow menu.
• Utilized Maven for automated builds and packaging, and integrated Log4j for efficient logging and monitoring.

Architected multi-tier Java enterprise solutions using Spring, EJB, WebSphere, VXML, SOAP, DB2, and XML integrations.

• Designed and developed comprehensive UML artifacts including use cases, class, sequence, and activity diagrams to support system analysis and design.
• Implemented a robust 3-tier architecture using the Spring framework for scalable application development.
• Developed VXML modules and Spring-based services to support IVR transactions and backend processing.

Engineered a geo-driven route-planning system integrating Java, Struts, microservices and WebLogic.

• Designed and integrated scalable UI and backend components using Struts MVC, JSP, Servlets, JDBC, and NodeJS microservices for high-performance route optimization.
• Developed robust validation, automated tests, and data access components leveraging JavaScript, JUnit, Mockito and Maven for reliable daily operational use.
• Contributed to system architecture, high-level design, and end-to-end deployment across WebLogic and WebSphere environments within delivery cycles.

Built a Struts-based carbon-trading platform integrating J2EE services, WebSphere deployment, Oracle, and enterprise APIs.

• Developed enterprise APIs and integrated backend components using J2EE, JSP, Servlets, JDBC, and Struts MVC to enable carbon-unit trading and progress tracking.
• Contributed to high-level design, logical architecture, and end-to-end development aligned with Waterfall delivery standards.
• Managed configuration, build, and deployment activities using Maven, WebSphere, and Oracle, ensuring reliable system performance.

Engineered multi-threaded Java trading enhancements, delivering exchange-specific extensions, optimized order workflows, and reliable integration for high-performance electronic trading systems.

• Developed exchange-specific add-ins and implemented trading rules for NSE and BSE, extending the core Java-based electronic trading framework.
• Performed comprehensive JUnit testing to validate enhancement modules, ensure stability, and maintain high-reliability order management workflows.
• Collaborated closely with clients to clarify functional requirements and align system behavior with exchange-driven trading specifications.

Developed onshore enterprise reward engines using Java, Struts 2, and Hibernate, optimizing database models and implementing scalable, normalized incentive workflows.

• Contributed to onshore implementation, driving database normalization and developing core components of the rewards and incentive engine.
• Built and enhanced application modules using Java 1.5, Struts 2, Hibernate, and integrated WebWork concepts for dynamic front-end views.
• Engineered stable, efficient reward-engine functionality through optimized data models, framework integration, and consistent full-stack development practices.