Abhishek Singh

About Abhishek Singh

Currently employed as a Software Development Engineer at Amazon, I am an integral part of…

Experience

1. Sde

   Microsoft

   Nov 2023 — Present · Bengaluru, IN

   Implemented and deployed a scalable architecture to backfill nearly 3 million records into DynamoDB.Also, Developed a Python script to push order IDs into SQS and a SQS handler in Java to process these IDs, invoke various services, and construct DynamoDB POJOs for seamless data updates using cross-account AWS calls.2. Developed scalable APIs to read and write customer order and shadow order mappings in DynamoDB, enabling versioning to resolve data duplication issues. Enhanced the system by storingbusiness-specific mappings, improving exception handling, and integrating advanced monitoring, successfully modernizing the legacy architecture.3. Contributed to implementing the Global Store Listing Service, enabling sellers to seamlessly cross-list their offerings from the host marketplace to offshore markets. This initiative aimed to bolster Amazon’s global presence and enhance accessibility for sellers across diverse markets.4. Managed outbound CloudAuth migration project, transitioning authentication protocols from a legacy system to a cloud-based solution for all service calls within our ordering system.5. Migrated a zip-based AWS Lambda to a container-image-based Lambda, unblocking the deployment pipeline and resolving size limitations by increasing the maximum capacity from 256MB to 10GB. Enabled greater flexibility and scalability, optimizing performance without resource constraints.