Sandhya Ragulapadu
Senior Java Full-Stack Engineer@Walmart | Focussed on Building High-Performance, Scalable and Reliable Systems
- Role
- Software Engineer at Walmart Global Tech
- Location
- Los Angeles, CA, US
- LinkedIn followers
- 500 followers
About Sandhya Ragulapadu
Software Engineer with a passion for building scalable systems and solving complex problems. I enjoy breaking down challenges, improving performance, mentoring junior engineers, and exploring cloud/AI technologies. I take full end-to-end ownership of features — collaborating with product owners to design, develop, test, and deliver across backend, frontend, and cloud. Proactive, self-driven, and always learning, I thrive in environments where engineering creates real, lasting impact.Tech StackBackend: Java 21, Spring Boot 3.3.11, Apache KafkaDatabase: Azure SQL, Azure Cosmos DB (NoSQL)Frontend: React.jsCloud: AWS, Azure & GCPOpen to Senior Engineering roles, Leadership positions, and high-impact Startup opportunities.
Experience
Software Engineer
Sep 2025 — Present · Sunnyvale, CA, US
Walmart Fulfillment Services (WFS)• Built high-throughput Kafka consumers processing millions of seller and fulfillment events daily, ensuring reliable and fault-tolerant microservices.• Implemented robust error handling, retries, dead-letter queues (DLQ), and observability, delivering production-grade operational resilience.• Optimized core Seller App API, resolving N+1 issues, improving data fetch patterns, and adding in-memory caching - achieving 87% performance improvement for millions of users.• Led production incident resolution, quickly diagnosing and rerouting orders across fulfillment centers under tight SLAs, ensuring uninterrupted seller operations.• Enhanced mobile inventory tracking, reducing fraudulent returns and improving seller efficiency across the platform.
Education
Jawaharlal Nehru Technological University Anantapur (JNTUA)
Bachelor's degree, Electronics and Communication Engineering
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