Kalpana

About Kalpana

Software Engineer with 4+ years of experience designing, building, and operating high-availability, cloud-native backend systems at Amazon.I have worked on large-scale device crash and log management platforms and led backend contributions to critical payments platform migrations, focusing on reliability, scalability, and operational excellence.My expertise includes Java-based service development, AWS infrastructure, distributed system design, and deep production debugging in high-throughput environments. I regularly drive technical clarity through well-documented designs and mentor engineers on best practices for building resilient systems.I am an alumnus of IIT ISM Dhanbad and enjoy working on complex backend systems that operate at scale and directly impact core business workflows.

Experience

1. Software Development Engineer Ii

   Amazon

   Oct 2024 — Present · Gurugram, IN

   Led migration of custom payment workflows from legacy services into a unified backend service, consolidating Lambda-based flows and improving validation correctness and reliability.Designed and implemented event-driven payment execution using SNS, SQS, and DynamoDB, contributing to high availability across multiple AWS regions.Built and owned HubPaymentInformationService, including service implementation, AWS infrastructure setup, and production deployment.Drove system design for monthly locker rent payments, collaborating with partner teams to validate scalability and data flow.Improved payment reliability through stricter validation, approval enforcement, and production issue resolution.

Education

• Indian Institute of Technology (Indian School of Mines), Dhanbad

  B. Tech, electronics and instrumentation

  2017 — 2021