• Led backend architecture for Alexa Mobile’s Home, Devices, and Monetization features using Java, AWS (Lambda, EC2, SQS, CloudWatch), DynamoDB, and RESTful APIs

• 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

• Built backend integrations for Enterprise customers using DoorDash for work.

• 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

Amazon Alexa:

• 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

Amazon Pharmacy:

• 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

• Migrated legacy relational DB to DynamoDB for higher scalability while maintaining data integrity and low latency

• 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