PayPal Credit - Buy Now Pay Later

• Automated reconciliation workflow using Spring Batch (Java), eliminating 90% manual SQL fixes, saving 25+ engineer-hours weekly.

• Designed idempotent, thread-safe pipelines to process 6.5M+ records ensuring data consistency across BigQuery and in-house systems.

• Eliminated batch job re-runs completely using custom exception handling, ensuring zero-downtime in production pipeline operations.

• Architected AWS infrastructure (ECS, S3, DynamoDB, Route53) supporting 500+ concurrent users with region-based scaling.

• Built 3 CI/CD pipelines (Frontend, Backend, Infrastructure) using AWS CodeBuild, reducing deployment time from 45min to 4min.

• Migrated EC2 → Serverless using AWS CDK, reducing operational overhead by 30% and cutting monthly costs by $800.

• Led CMS & iOS app migration projects for e-commerce focused on scanning and selling custom insoles for podiatry patients.

• Leveraged TrueDepth sensors and Core ML with TheStandardCyborg library to detect and export 3D foot scans.

• Migrated iOS application with 40+ pages from storyboard to SwiftUI leveraging MVVM architecture and CocoaPods as PDM.

• Integrated 15+ Shopify’s RestAPIs to the iOS app to authenticate users, fetch order and user details, export scans, and place orders.