Rajat Singh
Software Engineer with 4+ years of experience designing and developing scalable backend systems, data pipelines, and full-stack applications across e-commerce and supply chain domains.
- Role
- Software Engineer 3 at Walmart Global Tech
- Location
- Santa Clara, CA, US
- LinkedIn followers
- 500 followers
About Rajat Singh
Software Engineer with 4+ years of experience designing and developing scalable backend…
Experience
Software Engineer 3
Feb 2023 — Present · Sunnyvale, CA, US
Contributed to the Data Platform team of Walmart Fulfillment Services, a sub-division under Global Supply Chain operations Developed REST micro-services using Spring Boot and Java to support CRUD operations on inventory datasets containing more than 200 million rows across 50+ tables Engineered Spark-based ETL processes using Java, Python and Apache Airflow to enable data ingestion into BigQuery, processing over 5 million records to generate seller insights Built Java and Kafka-based microservices to process real-time inventory streams, enabling sellers with aggregated insights for over 10 million SKUs Spearheaded migration of 12+ microservices to Kubernetes on Walmart Cloud Native Platform (Azure Kubernetes Service as underlying infrastructure), enabling auto-scaling and failover routing, cutting deployment times by 50% and operation costs by 15% Established strong partnerships with product managers and designers, translating complex businessrequirements into tangible, scalable backend architectures that handle concurrent users Facilitated collaboration between engineering, product, and design teams during design review sessions, resolving communication gaps and ensuring customer satisfaction for 20+ features launched
Education
Jagran Public School, Lucknow
Higher Secondary Education
2012 — 2016
Arizona State University
Master of Science - MS
2021 — 2023
Manipal Institute of Technology
Bachelor of Technology - BTech
2016 — 2020
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