The Core application, a critical tool for AppleCare advisors, supports post-sales customer service worldwide. It offers functionalities like product registration, agreement management, case creation, warranty lookup, callback scheduling, and article rendering. Designed to streamline operations, Core's intuitive interface reduces average call handling time and enhances user productivity.Key Responsibilities:•Architecture and Development: Designed Java-based backend microservices, ensuring scalability and performance improvements, leveraging AWS EKS for container orchestration and deployment.•Code and Feature Management: Delivered production-ready code, planned and executed feature rollouts, and maintained software engineering best practices.•Optimization: Improved database performance using efficient data models, indexing, and sharding with SQL and NoSQL systems like MongoDB.•Collaboration: Integrated ML models for actionable insights and collaborating with stakeholders for optimal solutions.

DNA-AssuranceDeveloped and deployed Cisco’s network analytics platform, designed to simplify data collection and infrastructure complexities, enabling a data-centric analytical pipeline for actionable insights.Key Responsibilities:•Engineered a highly scalable distributed solution leveraging big data frameworks like Apache Flink and Apache Beam.•Collaborated with cross-functional teams to define and implement system and functional designs.•Delivered high-quality software components in an Agile environment, ensuring robust deployments for customers.•Mentored junior engineers through code reviews and technical guidance.•Worked closely with the architecture team to align with roadmap goals and maintain scalability.

GCRM-iLogDeveloped and enhanced the iLog application, a critical tool for AppleCare advisors worldwide, supporting post-sales customer services like product registration, case creation, warranty lookup, callback scheduling, and article rendering. The system’s intuitive design significantly reduced average call handling times, boosting efficiency.Key Contributions:•Service Integration: Converted legacy SOAP services to modern RESTful APIs and exposed business functions to web and Cocoa applications.•Architecture Modernization: Migrated Oracle-based services to MongoDB and transitioned to a scalable distributed architecture, enhancing performance and reliability.•Middleware Solutions: Integrated external systems using Apache Camel routes for seamless data flow.•Database and Frameworks: Utilized Hibernate-JPA for database integration and Spring AOP for transaction management and logging.•Performance Enhancements: Conducted extensive testing, including unit, integration, and load testing, to ensure stability under high traffic.•Knowledge Sharing: Delivered advanced training sessions on Java programming and the Spring framework.

BankFusion PlatformDeveloped the BankFusion Platform, a cutting-edge software framework for Misys to streamline financial services by enabling rapid product development and real-time business process changes. This Java-based platform supports multi-platform deployment, offering unmatched agility and scalability for banks to adapt to evolving business environments.Key Contributions:•Messaging Integration: Set up a robust messaging layer using JMS and TCP, leveraging Apache Camel components for seamless communication.•Web Services Development: Introduced Apache CXF-based web services for flexible integration and enhanced functionality.•Dynamic Business Rules: Integrated Drools rule engine for dynamically configuring and managing complex banking rules.•Real-Time Client Notifications: Implemented client notifications using Cometd, ensuring timely updates for critical processes.•Performance Optimization: Utilized multithreading for efficient ATM message processing and analyzed load tests, memory, and thread dumps to address scalability challenges.•Process Automation: Generated Eclipse plugins with the Eclipse Modeling Framework (EMF) to support complex business process automation.

Universal Decision Engine (UDE) & Partner Payment Management Information System (PPMIS)UDE (Universal Decision Engine)Developed a centralized platform to streamline enterprise decision processes by integrating web services, databases, and strategy management systems. The platform significantly reduced time-to-market for banking products by centralizing all decision-related operations.PPMIS (Partner Payment Management Information System)Built a robust system to calculate and manage partner compensation for American Express. The system automated deal management, applying distinct compensation rules for various models, enhancing accuracy and operational efficiency.Key Contributions:•Service Exposure: Developed stateless EJB beans to interact with external services.•Process Integration: Integrated WebSphere process servers for handling complex business workflows.•Database Optimization: Created a DB Cache Loader to preload static data during application startup, drastically improving query performance and enabling database backup reads during outages.•Web Development: Designed web applications from scratch using JSP and Servlets.•ORM Implementation: Utilized Hibernate for database mapping with second-level caching to optimize data access.