Summary
Overview
Work History
Education
Skills
Timeline
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DEEPA NAYAK

Campbell,California

Summary

Seasoned Lead Software Engineer with a strong track record of designing and scaling backend systems for high-traffic eCommerce and subscription platforms. Specialized in building robust, cloud-native APIs using REST and GraphQL architectures to support millions of users. Proven success in modernizing legacy monoliths into microservices, improving system throughput, and enabling fault-tolerant, low-latency services. Skilled in Java, Spring Boot, AWS, and distributed systems, with a strong focus on performance optimization and data integrity. Adept at leading cross-functional teams and delivering enterprise-grade solutions that drive measurable customer and business impact.

Overview

24
24
years of professional experience

Work History

Lead Software Engineer – Commerce Platform

Chegg Inc.
01.2019 - Current
  • Modernized Cart and Checkout flows by transitioning legacy REST APIs to GraphQL-based microservices, enabling seamless migration of over 3 million users while doubling system throughput and fault tolerance.
  • Redesigned Chegg’s digital catalog datastore, migrating from Solr to AWS DynamoDB with zero-downtime cutover.
  • Leveraged DAX caching to reduce response times from 10ms to 4.2ms and improve scalability.
  • Built and integrated two critical Order subgraphs into Chegg’s federated GraphQL supergraph, offloading 60K/sec read requests from the legacy monolith to improve scalability and maintainability.
  • Implemented AWS Batch jobs to migrate 6 million subscriptions from a legacy billing engine to a new platform.
  • Employed multithreaded processing to complete the migration in under two weeks.
  • Spearheaded development of monitoring dashboards in New Relic and Grafana to track service health.
  • Enabled faster triage and root cause analysis during on-call and production incidents.
  • Collaborated cross-functionally with DevOps, mobile, and product teams to deliver performant, resilient, and observable services within a fast-paced Agile environment.

Software Engineer

eBay Inc.
01.2001 - 01.2018
  • eBay Motors (2016–2018): Led revamp of Motors Parts and Accessories experience across Search Result Pages, improving user engagement by 5% in 3 months.
  • Architected and implemented REST APIs for Motors Finders, collaborating with iOS/Android teams for mobile parity and seamless integration across Search, View Item, and Motors Home Page.
  • Retail Promotions Platform (2014–2016): Managed 10-member team to launch Global Deals platform in 15 international markets.
  • Designed entire DB schema and REST APIs for business tools, ensuring scalability and performance.
  • eBay Deals (2011–2014): Directed development of next-gen Daily Deals platform, scaling inventory from 500 to 20,000 deals, increasing page hits from 250K to over 1M.
  • Built REST APIs, feeds, and a “Trending Deals” algorithm, growing email subscribers 10x to 5M+.
  • Loyalty & Incentives (2009–2011): Led engineering for “Bill Me Later” integration and Seller Marketing Engine.
  • Delivered scalable J2EE apps to enable targeted discounts and promotions.
  • Shipping (2004–2009): Spearheaded eBay’s first integrated shipping platform, implementing USPS, UPS, and FedEx tracking.
  • Added international shipping support and conducted end-to-end system analysis.
  • Buyer Experience (2001–2004): Developed performance-optimized features for ViewItem, Buying/Bidding, and Live Auctions, collaborating with cross-functional teams to enhance buyer journey.

Education

Bachelor of Engineering (B.E.) -

Pune Institute of Computer Technology
Pune, India
06.1995

Skills

  • Java, C, Spring Boot, Lombok, JUnit, Mockito
  • Oracle, MySQL, DynamoDB, MongoDB
  • AWS (ECS, Lambda, DynamoDB, Aurora, SQS, SNS), Terraform, Jenkins, GitLab CI/CD, Bitbucket
  • REST, GraphQL, SOAP
  • Apache Kafka, Webhooks, AWS Batch
  • Amazon ElastiCache, Redis, Memcached
  • New Relic, Grafana
  • Terraform

Timeline

Lead Software Engineer – Commerce Platform

Chegg Inc.
01.2019 - Current

Software Engineer

eBay Inc.
01.2001 - 01.2018

Bachelor of Engineering (B.E.) -

Pune Institute of Computer Technology

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