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Sangeeth Kumar Mohan
Senior Lead Software Engineer specializing in authentication platforms and distributed systems
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Full-stack engineer (T-Mobile experience) focused on authentication/session-management systems, with hands-on work optimizing token-validation flows and reducing latency by eliminating redundant API calls and adding caching. Brings strong production ownership with observability (Splunk/Grafana), Postgres data modeling/index tuning, and resilient async workflow design (idempotency, retries/backoff, queues).
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Key Strengths
- End-to-end ownership of production features (build, launch, monitor, iterate)
- Backend performance optimization by removing redundant API calls and improving token validation latency/reliability
- Systematic debugging via detailed logging/tracing to pinpoint multi-layer bottlenecks
- Frontend performance tuning through state isolation and memoization to reduce re-renders
- Data modeling and query performance optimization in Postgres using composite indexes validated with EXPLAIN
- Designing resilient async workflows with idempotency, retries/backoff, and queue-based decoupling
- Strong observability practices using structured logging, metrics dashboards, and alerting (Splunk/Grafana)
Reference Highlights
- Owned authentication/authorization end-to-end for a telecom customer
- Strong production ownership and stability focus
- Built new APIs for Non-Random SMS OTP (sendOtp/verifyOtp)
- Hands-on with Angular/TypeScript and UX work
- Delivered a new page aligned with company performance standards
- Improved database query performance
- Understands the complete architecture picture
- Proactively shares feedback/suggestions to improve customer experience
- Able to handle complex systems with partner-specific customizations
Sangeeth's references speak for themselves. Let us connect you.
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