Senior Site Reliability Engineer - PhonePe Interview Preparation Guide

PhonePe's interview process for Senior Site Reliability Engineers consists of 7 rounds spanning 3-5 weeks. The process begins with recruiter screening, followed by a technical phone screen focusing on system administration and scripting proficiency. Subsequent rounds assess system design and architecture (distributed systems, reliability at fintech scale), infrastructure automation and cloud practices, incident response capabilities, behavioral and team collaboration skills, and culminates with hiring manager alignment. At the senior level, PhonePe evaluates your ability to own complex reliability initiatives, mentor junior engineers, influence architectural decisions across teams, and drive operational excellence on a nation-scale fintech platform processing 330+ million daily transactions. The company prioritizes engineers who combine deep Linux/systems expertise with cloud-native thinking, can navigate the complexity of high-frequency payment systems, and demonstrate leadership in building resilient infrastructure.