Chennai Engineer Building Systems Worth $5 Billion at Walmart Global Tech

Sai Sruthi Puchakayala, a Software Development Engineer III at Walmart Global Tech, designs cloud-native platforms managing over $5 billion in annual merchandise across 4,000+ retail locations. A Gold Medalist from Anna University ranked 21st among nearly 60,000 computer science graduates, she has created event-driven microservices that increased system throughput by 3x and implemented AI-powered debugging tools boosting developer productivity by 35%.

India now houses 4.3 million software engineers, representing 14.7% of the global workforce, with the country positioned as the world's second-largest software engineering market. Puchakayala's journey from Chennai to building mission-critical retail infrastructure exemplifies how Indian engineering talent is shaping global technology infrastructure. In April 2026, she received the Innovator of the Year award at the International Business Award and was named a Council Member of the Association of Information Technology Experts.