Jun 2025 – Present · 1 yr

Apr 2025 – Nov 2025 · 7 mos

May 2021 – Apr 2025 · 3 yrs 11 mos

• Project Lead for Risk - Shipment Tracking | Deposit | Withdrawal Domain
• Handling Shipment Tracking, Deposits & withdrawals involves critical operations where risk management plays a pivotal role. In my role, I've been given the opportunity by my leaders to lead and build next-generation systems that are designed to scale efficiently.
• Scalability: Implementing scalable architectures using microservices and cloud-based technologies. This allows our systems to handle increasing transaction volumes efficiently and adapt to fluctuating demands.
• Resilience: Employing resilient design patterns such as circuit breakers and retry mechanisms to ensure that our systems remain operational even in the face of failures or high loads. This includes implementing fault-tolerant components and distributed caching to enhance system reliability.
• Fault Tolerance: Utilizing techniques like event sourcing and asynchronous processing to minimize the impact of failures. This approach enables us to recover quickly from errors and maintain data consistency across distributed systems.
• Monitoring and Analytics: Implementing comprehensive monitoring and analytics using tools like Grafana, Signal FX / DataDog. This allows us to proactively identify performance bottlenecks, monitor system health in real-time, and optimize system performance based on data-driven insights.

Feb 2019 – Feb 2019 · 0 mo

• Leveraged technical skills to earn the opportunity to travel to PayPal Shanghai for knowledge transfer on the Withdrawal and Deposit domain, subsequently taking ownership of the project upon returning to Chennai.

Oct 2018 – Nov 2018 · 1 mo

• Awarded the opportunity to travel to PayPal Headquarters in the USA to work on the Fraud Management Filters project, a crucial product used by PayPal merchants to identify and automatically reject fraudulent transactions.

Apr 2018 – May 2021 · 3 yrs 1 mo

• Lead Developer for PayPal Protection Service | Data Decision Framework | Dispute System PEGA Migration
• PayPal offers comprehensive Buyer Protection and Seller Protection programs, essential for safeguarding transactions on its platform. I manage and maintain ownership of these programs, ensuring seamless integration with payment systems and efficient handling of disputes.
• Played a pivotal role in developing the Next Generation Decision Data Loader Platform.
• Led a team in constructing advanced decision framework components for the global risk case management domain. Delivering this project on time was critical for cost savings, and we successfully achieved this goal.
• I played a crucial role in the migration of PayPal's dispute platform from PEGA to an internally developed solution.
• Led a team that received the Risk Team Award.

Mar 2016 – Apr 2018 · 2 yrs 1 mo

• PayPal's Funds Availability policy is designed to manage risk and ensure that funds are available for refunds or chargebacks.
• Key Projects and Contributions:
• Funds Availability Algorithm: Designed a proprietary Rule Flow to efficiently assess transaction risk and determine fund hold durations.
• Built highly scalable data pipelines to support efficient rule execution, handling large volumes of transaction data in real-time.
• Integrated various data sources for accurate decision-making, working with both structured and unstructured data.
• Ensured robust and reliable data pipelines with monitoring and alerting systems to maintain high performance.
• Leveraged the full capabilities of the IBM Operational Decision Manager (ODM) rule engine to enhance transaction processing and risk assessment.
• Customized and optimized the rule engine for specific business needs, ensuring seamless integration with PayPal's systems.
• Worked with stakeholders to define rule requirements and provided team training on IBM ODM.