Sangeeth Kumar Mohan
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14+ years building end-to-end systems — from pixel-perfect UIs to distributed infrastructure — serving 1M+ users daily across telecom, healthcare & finance.
01 — About
Built to ship.
Wired to scale.
Senior Full Stack Engineer with 14+ years of experience building high-performance, user-facing web applications across telecom, healthcare, and financial domains. Specialized in React, Angular, Node.js, and AWS — from pixel-perfect UIs to the distributed systems powering them.
Industries
Education
MBA — Management Information Systems
Lincoln University · Oakland, CA · 2017
MBA — Financial Management
Anna University · Chennai, India · 2013
B.Tech — Information Technology
Anna University · Chennai, India · 2009
Certifications
Years Experience
Daily Users Served
Companies
Industry Domains
Core Stack
02 — Experience
14 years of
shipping at scale.
Click any card to expand details.
Companies shown chronologically.
Senior Software Engineer (Full Stack) — Lead
- Led end-to-end authentication workflows (login, OTP, onboarding) supporting 1M+ daily users across web and partner platforms.
- Reduced end-to-end API latency by ~40% via BFF request consolidation and elimination of redundant IAM calls.
- Implemented Redis TTL-based caching for OTP/session state, dramatically improving response times under high traffic.
- Built secure auth flows using OAuth 2.0, JWT, MFA, and AWS Cognito across a micro-frontend architecture.
- Improved observability using Splunk and OpenTelemetry; influenced architecture across API Gateway, Lambda, DynamoDB, and Kubernetes (EKS/AKS).
Lead Software Engineer
Senior Software Engineer
Software Developer
Software Developer
Software Developer
Staff Consultant
Full career history from 2009 → Request detailed resume
03 — Skills
The full-stack
arsenal.
End-to-end ownership
From designing React component architecture to wiring up AWS Lambda + API Gateway, implementing OAuth 2.0 auth flows, and shipping via ArgoCD — I own the full delivery chain. I've operated across telecom, healthcare, and financial domains with teams ranging from scrappy startups to enterprise orgs serving millions.
04 — Contact
Let's build something
remarkable.
Send a message
Schedule a Meeting
30-min intro call
Skip the back-and-forth. Book a time directly on my calendar and let's talk.
Book a 30-min CallOr reach out directly
linkedin.com/in/sangeethkumarmohan
sangeethkumarmohan@gmail.com
Phone
+1 (510) 771-4567