Hemanth Kumar

• Leading performance testing and observability for a unified banking application at Union Bank of India
• Designed workload models and executed JMeter scripts for complex banking transactions
• Integrated Grafana with Prometheus for real-time infrastructure monitoring during load tests
• Automated test executions through Jenkins CI/CD pipelines
• Analyzed server/client-side performance using ELK stack and database traces

Key Achievement: Reduced response times by 40% through identifying and optimizing database bottlenecks in critical transaction flows.

• Conducted performance testing for Radisys RMS telecom management systems
• Developed NeoLoad and JMeter scripts with Groovy for complex telecom scenarios
• Built automation pipelines for regression and performance testing
• Monitored application metrics in DataDog and analyzed backend latencies
• Correlated metrics with slow SQL queries to deliver performance insights

Key Achievement: Improved system throughput by 35% through query optimization and JVM tuning.

• Performance tested Wireless Advocate product systems
• Simulated SSO flows, token handling, and encryption logic in JMeter
• Deployed Kubernetes-based monitoring with Prometheus and Grafana
• Investigated ELK logs and slow DB queries to optimize throughput
• Resolved production performance incidents using distributed tracing

Key Achievement: Reduced API latency by 60% through Kafka consumer optimization and resource allocation.

• Delivered performance assurance for Medicaid Provider Portals
• Built complex test workflows with AJAX and asynchronous processing
• Conducted JVM diagnostics using thread dumps and JProfiler
• Integrated InfluxDB with Grafana for live test monitoring
• Analyzed performance data from Zabbix, ELK, and SQL dashboards

Key Achievement: Increased application scalability by 300% through infrastructure tuning and load balancing configuration.

Performance Engineering

• Around 8+ years of experience in Performance Testing and Engineering using industry-leading tools
• Extensive experience with Web (HTTP/HTML), Web Services, Ajax, Ajax True Client, and SAP GUI protocols
• Skilled in designing user behavior models, executing load test scenarios, and identifying bottlenecks
• Proficient in Vuser script creation with VuGen, including advanced scripting techniques
• Domain expertise in Healthcare, Telecom, and Banking

Cloud & Infrastructure

• Experienced in AWS Cloud Services and VMware-based private cloud infrastructure
• Hands-on experience with cluster auto-scaling using Auto Scaling Groups (ASG) and Kubernetes HPA
• Proficient in service/component-level performance testing in Kubernetes environments
• Skilled in deploying and testing containerized microservices within Kubernetes clusters
• Practical experience with Kafka messaging systems in Kubernetes-based environments

Monitoring & Analysis

• Strong knowledge of root cause analysis using thread dumps, heap dumps, SQL profilers, and distributed tracing
• Worked with monitoring tools such as JConsole, VisualVM, JProfiler, Application Manager, and SQL Profiler
• Experience capturing and analyzing logs through ELK Stack and Grafana Loki
• Monitored server-side metrics (CPU, heap, threads, response time) on Windows and Unix systems
• Proficient in setting up Grafana with Prometheus and InfluxDB for real-time monitoring

Bachelor of Technology (Electronics & Communication)