Chetan Singh

Backend engineer with 3+ years building scalable distributed systems, payment integrations, and AI-powered tooling. Proficient in Golang, Python, TypeScript, and Java. Experienced with AWS (ECS/EKS), Kafka, Redis, and LLM-based retrieval pipelines.

Software Engineer - 2 - CAW - Hyderabad

(2026-04)

• Primary backend owner for Hoichoi (3M+ MAU OTT platform); drove API p99 latency to <10ms via Redis caching and optimized data access.
• Led AWS ECS → EKS migration, set up CI/CD pipelines (ArgoCD) and designed multi-tenant microservices architecture, improving scalability and enabling white-label expansion.
• Improved webhook and reconciliation pipelines, reducing processing delays and increasing event consistency.

Product Development Engineer - 1 - Razorpay - Bangalore

(2025-05 - 2025-09)

• Integrated Atos gateway for QR payments; implemented NPCI compliance rate-limiting across all gateways.
• Resolved 4 P0 + 3 P1 incidents in one week via cross-team on-call collaboration.

Software Engineer - 1 - CAW - Hyderabad

(2024-07 - 2026-03)

• Built SVOD/TVOD/AVOD subscription billing system with concurrent payment flows and entitlement management using Golang (Gin).
• Integrated 10+ payment providers (Stripe, Juspay, Apple IAP) behind a unified abstraction layer; maintained high test coverage with Testify.

Associate Software Engineer - CAW - Hyderabad

(2023-06 - 2024-06)

• Built OTT directory platform (Node.js, TypeScript, MongoDB) and migrated 100M+ records from Hoichoi's legacy systems with zero data loss.

B.Tech - Computer Science and Engineering (Hons.) - Lovely Professional University (2020 - 2024)

Specialization - AI/ML - upGrad Campus (2020 - 2024)