Authentication & Application Support Engineer with 5+ years of experience in L1/L2 production support, incident management, and transaction monitoring. Skilled in Aadhaar APIs (Auth, OTP, eKYC, Tokenization, Face RD, Health API), API troubleshooting, and log analysis using Grafana, Kibana, and ELK Stack. Proven track record in reducing API failures, improving SLA compliance, ensuring 24/7 availability, and managing certificate/license key operations. Strong in RCA, system monitoring, and compliance with UIDAI audit/security standards.