Subramaniam Narayanan
Principal Software Engineer at Walmart Global Tech
United States
Summary
🤩
Rockstar🎓
Top SchoolSubramaniam Narayanan is a Principal Software Engineer with over 15 years of experience (10+ in senior roles) designing and delivering high-scale, mission-critical backend systems across fintech, security, and cloud platforms. He has led architecture and delivery for billing, authorization, and lifecycle-management systems that power multi-billion-dollar revenue streams and enterprise availability needs, using Java, Spring Boot, PostgreSQL, GCP, and Kubernetes. His career spans startups and large enterprises—shaping authorization-as-a-service at Oso and Lacework, building automated billing at Wavefront and Intacct, and most recently architecting Walmart’s global advertising billing platform. Known for translating complex compliance and operational requirements into pragmatic, customer-facing services, he also mentors cross-functional teams and drives data-informed product iteration. A dual technologist and MBA-trained strategist, he blends deep systems engineering with business-minded delivery.
9 years of coding experience
26 years of employment as a software developer
Indian Institute of Technology RoorkeeMaster of Business Administration (MBA) Finance, Master of Business Administration (MBA) Finance at Santa Clara University Leavey School of Business
Github Skills (15)
rbac-authorization8
logic-programming8
authorization7
java7
abac7
oso7
nodejs7
access-control7
rbac6
authentication6
python6
security6
ruby5
rust5
go3
Programming languages (2)
Github contributions (4)
ssnarayanan/github-actions-for-packages
Apr 2021 - Apr 2021
Contributions:1 PR, 4 pushes, 5 branches in 1 day
ssnarayanan/ssnarayanan.github.io
Jun 2016 - Jun 2016
Contributions:1 push, 1 branch in 5 days
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