Karan Kumar Ratra🇺🇸
Engineering Manager, Software Engineering at Walmart Global Tech
About Karan Kumar Ratra
Engineering Manager, Software Engineering at Walmart Global Tech
Karan Kumar Ratra is a Senior Engineering Leader at Walmart Global Tech with 17+ years of experience building and scaling distributed systems across retail, fintech, and telecommunications. His work focuses on event-driven architecture, platform engineering, enterprise fulfillment, cloud-native systems, microservices, and resilient workflows that support large-scale business operations.
He has led engineering efforts across mission-critical systems, with an emphasis on reliability, reuse, observability, and long-term platform scalability. Alongside hands-on architecture and backend engineering, he brings strong experience in technical leadership, mentoring, and helping teams make clear system design tradeoffs.
Karan is especially interested in helping engineers grow in distributed systems, backend architecture, engineering leadership, and career development. He values practical problem-solving, clean system design, and building software that performs well at scale while remaining maintainable over time.
Expertise
Sessions with Karan Kumar Ratra
- Mentorship Session (30 min): Mentorship session
What mentees say
“Great session with Karan! I really appreciated his hiring manager perspective and practical approach to interview preparation. His guidance helped me think more clearly about how to communicate leadership and impact, and where to focus my preparation next. Knowledgeable, supportive, and generous with his time. Highly recommended!”
“Karan is very friendly, approachable, and genuinely pleasant to talk to. He creates a comfortable environment where you feel encouraged to share your thoughts and ask questions openly. He provided clear and practical advice that helped me better understand where I can improve. His guidance was thoughtful and actionable, giving me useful direction and confidence for my next steps.”
“Karan helped me dissect my problems really well by listening to my problems and offering ways to approach a solution well. I was confused about how to develop my skills and further my knowledge in the CS field, and Karan gave me insightful advice based on his expertise that guided me to tackle my problems with a new lens.”