krishna pandey

Software Development Engineer 3 (Tech Lead)

• Job Details:Developed and led campaign management and payment systems while mentoring junior developers on system design and code quality. Architected campaign management system (Go, NSQ) handling 300k notifications/min across IVR, WhatsApp, email, push, data notifications and SMS channels. Designed payment system (Go, PostgreSQL) with smart routing and mandate processing. Built real-time user segmentation system (ClickHouse) enabling users to be dynamically grouped for targeted campaigns. Added smart routing for payments using success rate and availability checks, reducing processing latency.

Senior Software Engineer

• Job Details:Unified Goibibo and MakeMyTrip payment systems into a scalable multi-tenant architecture. Integrated PG charges system reducing payment processing time. Implemented paylater feature boosting transaction completion. Redesigned payment gateway (Golang) with idempotency.

Software Engineer (Backend)

• Job Details:Integrated complex segmentation with multiple depth levels. Developed smart triggers for C2S and S2S event campaigns. Optimized notification system to 70k/sec using distributed computing. Extended notification support across silent push, in-app, email, and SMS to improve user reach and engagement. Built personalization system based on user behaviors. Improved service availability through enhanced monitoring.