Nov 2023 – Present · 2 yrs 4 mos · Gurugram, Haryana, India · Hybrid

• Integral part of the core backend team of BBPS at Airtel, supporting 2.5mn transactions monthly,
• and a distinguished member of the SWAT team – Delivered rapid production enhancements, resolved
• critical bugs, and handled urgent incidents to ensure high system availability and reliability.
• Built an event-driven load control system using Kafka Delay Queues to regulate bill-fetch requests at 30-min intervals, improving system reliability and reducing peak-hour load by ∼40%, preventing outages during monthly billing rush.
• Built highTTL Aerospike cache updated from Kafka streams, reducing DB load by ∼100% and enabling real-time insights like top billers & social proofing.
• Developed eventdriven Spring Boot & Kafka workflow to auto-fetch new bills, send SMS/push reminders, improving timely payment conversions by ∼5%.