Designed and built the first in-app subscription purchase platform for Alexa Mobile, integrated with Core Payments and Finance systems

Built a reusable subscription management platform enabling seamless onboarding of new Alexa endpoints

Migrated Alexa Mobile pages to server-side rendering for faster load times and reduced client overhead

Partnered with cross-functional teams across Amazon to deliver calendar linking and event management features

Reviewed system designs, enforced scalable microservices best practices, and mentored junior engineers on backend development

Launched Convenience, Alcohol, and Grocery delivery features for Doordash for Work, improving corporate user adoption

Launched Concur integration with DoorDash for quick and easy expensing for corporate employees.

Optimized scalability, security, and reliability of backend APIs handling thousands of daily requests

Owned Echo Device Settings backend services supporting Alexa Mobile App using Java, React Native.

Implemented APIs for device onboarding, configuration management, and launch readiness

Optimized backend APIs for low latency and high throughput, improving app performance metrics

Built order delivery date estimation system for Pharmacy checkout using Java, AWS Lambda, ECS, DynamoDB, CloudWatch

Designed and scaled order tracking and notification services, integrating with fulfillment and logistics systems

Led development for mission-critical APIs handling millions of pharmacy orders with strict SLAs

Collaborated with PillPack and Amazon teams to launch backend infrastructure for Pharmacy fulfillment

Developed loan application lifecycle APIs using Java, AWS Lambda, RDS Aurora, and RESTful architecture

Implemented AWS Lambda-based ETL pipelines for real-time data processing using SQS and SNS

Designed customer-facing loan management services with high availability and fault tolerance

Acted as scrum master, leading sprint planning and driving Agile delivery