Experience Timeline for Production-Scale Backend Engineering

Lead Engineer @ Pine Labs, Noida

• check_circleDirect a team of 5 engineers across UPI, Brand Wallet, e-Challan, and Subscriptions, overseeing end-to-end design, sprint planning, code reviews, and production releases.
• check_circleDrive the end-to-end Subscription platform covering recurring payment lifecycle, billing-cycle eligibility, retry handling, entitlements, and merchant self-service reporting.
• check_circleStrengthened Pay-ins reliability via challan handling, duplicate UTR validation, payment-mode correctness, and intake-API cleanup. Created wallet lifecycle APIs for Brand Wallet covering creation, loading, redemption, and balance validation.
• check_circleArchitected maker-checker approval flows and rule-engine logic for Payouts, processing around 100K payouts/day with full audit trails and compliance controls.
• check_circleRebuilt deep-search in Order & Payment to fix a reconciliation gap that left thousands of orders stuck pending for days; post-release, stuck-order count dropped to near-zero.
• check_circleDelivered 176 PRs and reviewed 1,140 across the team in around 11 months. Mentored engineers through reviews and design sessions. Leveraged Copilot and Claude Code daily to speed up debugging and edge-case work.

Member of Technical Staff III @ Exotel (formerly Ameyo), Gurugram

Progression: SE I → SE II → Senior SE I → MTS II → MTS III

• check_circleLed monolith-to-microservices migration delivering 20x platform scalability; powered HDFC Bank's 20,000-user customer-support deployment on a single interface.
• check_circleImplemented core microservices — Configuration Management, Central Fetcher, Interaction Service, CRM Connector, and Chat Service — collaborating with a team to deliver backend and messaging components.
• check_circleEngineered a voice-chatbot flow optimization that halved telecommunications expenses; served as DRI for Level-4 production incidents, driving a 30% drop in recurring issues through structured RCA and long-term remediation.
• check_circleAuthored HLD/LLD and launched a Video Microservice and reusable Video SDK for video customer support and video-KYC, adopted by Equitas Bank and Khan Bank Mongolia for remote identity verification.
• check_circleConnected Twitter, Facebook, and Microsoft Exchange email via OAuth2; migrated ticket search from PostgreSQL to Elasticsearch, improving search latency and scalability for enterprise customers.