Srujana Thummala

Redesigned the checkout service layer using Spring Boot microservices and Kafka event streaming, cutting average transaction processing time from 4.2s to 1.1s across 60M+ monthly active users. Rebuilt the product search UI in React, reducing page load time by 38% and contributing to a 12% lift in add-to-cart conversion. Migrated 14 legacy monolithic modules to containerized microservices on AWS EKS, improving deployment frequency and reducing infrastructure costs by $420K annually. Implemented end-to-end order tracking API used by internal teams and partners, processing 2.4M requests per day with 99.97% uptime. Introduced automated integration tests for 80+ REST endpoints, reducing post-release defects by 45% in early cycles.

Redesigned checkout service layer with Spring Boot microservices and Kafka event streaming, reducing average transaction processing time from 4.2s to 1.1s across 60M+ MAU. Rebuilt product search UI in React, cutting page load time by 38% and contributing to a 12% lift in add-to-cart conversions. Migrated 14 legacy monolithic modules to containerized microservices on AWS EKS, increasing deployment frequency and saving $420K annually. Established end-to-end order tracking API used by 3 internal teams and 2 3PL partners, processing 2.4M requests per day with 99.97% uptime. Introduced automated integration test coverage for 80+ REST endpoints using JUnit and Testcontainers, reducing post-release defects by 45% in early releases.

Developed a multi-tenant REST API gateway in Spring Boot to unify authentication and rate-limiting across 8 Creative Cloud product lines, reducing duplicate auth code by 70% and onboarding time from 3 weeks to 4 days. Delivered an Angular-based document collaboration interface with real-time co-editing for up to 50 concurrent users, adopted by 230K enterprise accounts. Containerized 6 backend services with Docker and Kubernetes, shrinking environment spin-up time from 40 minutes to under 4 minutes. Reworked the subscription billing API to handle concurrent upgrades, eliminating a race condition causing ~$180K/year in incorrect charges. Collaborated with product and design teams to build an accessible component library in Angular (WCAG 2.1 AA compliant), reducing frontend implementation time by an average of 6 days per sprint.