Headline

Senior Software Engineer @ Walmart Global Tech India | Supply Chain

About

Senior Software Engineer with 7+ years building large-scale distributed systems, high-throughput data platforms, and low-latency backend infrastructure at Walmart Global Tech. Expertise in Java, Spring Boot, Kafka, Cassandra, Spark, Azure, microservices, and event-driven architecture, with demonstrated impact in performance optimization, scalable stream processing, reliability, and platform engineering. Technical leader experienced in cross-team architecture, leading teams of up to 5 engineers. Architected systems processing 50M+ events/day, designed for 500M+ events/day, and built an engineering platform adopted by 14 teams

Location

Bengaluru

AI stack

claude code

codex

cursor

github copilot

ChatGPT

ChatGPT Images

Work experience

Senior Software Engineer at Walmart Global Tech India, Nov 2022 - Present · 3 yrs 11 mos, Bengaluru, Karnataka, India, Technical Leadership & Architecture - Drove architecture and technical strategy for large-scale supply chain systems, influencing engineering decisions across multiple teams. - Led teams of 3–5 engineers, driving cross-team alignment on APIs, event contracts, data models, and implementation strategies. - Mentored engineers across experience levels and delivered 15+ technical talks on architecture, distributed systems, and engineering practices. Selected Impact - Designed distributed supply-chain systems using Java, Kafka, Cassandra, Azure, and microservices, reducing write I/O by 12,000x and improving response times by 28x. - Led the design of an inventory visibility system that enabled $5M+ annual revenue impact by making in-transit inventory available earlier. - Built a real-time analytics system processing 50M+ events/day, designed to scale to 500M+ events/day using Kafka, Spark, Event Hub, and Delta Lake. - Created reusable ingestion and error-handling frameworks, reducing integration time from 2 weeks to 2 days while maintaining 100% data integrity. - Built an automation framework adopted by 14 engineering teams, supporting 320+ scenarios and reducing regression time by 87%. - Led database modernization across 10+ applications, reducing Azure infrastructure costs by 80% and database I/O by 50%.

Software Engineer III at Walmart Global Tech India, Aug 2021 - Nov 2022 · 1 yr 4 mos, Bengaluru, Karnataka, India

Software Engineer II at Walmart Global Tech India, Jul 2019 - Aug 2021 · 2 yrs 2 mos, Bengaluru, Karnataka, India

Research Intern at IUCAA, Pune, India, Aug 2018 - Dec 2018 · 5 mos, Pune/Pimpri-Chinchwad Area

President at NSS (Social Innovation Cell), Aug 2016 - Jul 2017 · 1 yr

Cossacn (Head) at Department of Visual Effects, Bits-Pilani,Hyderabad Campus, Aug 2016 - Jul 2017 · 1 yr

Secretary at Physics association, Bits-Pilani,Hyderabad Campus, Aug 2016 - Jul 2017 · 1 yr

Education

Masters of Science (Hons), Physics, Birla Institute of Technology and Science, Pilani

Bachelors of Engineering (Hons), Computer Science, Birla Institute of Technology and Science, Pilani

Public links

github: https://github.com/Ramasami

leetcode: https://leetcode.com/Ramasami