COCognizant Technology Solutions India Pvt Ltd
Performance Testing
Bangalore ₹13-21 LPA Posted 4 Nov 2026
FULL TIME
Performance Testing
Performance Engineering
Apache Jmeter
Job Description
We are seeking an experienced Performance Engineer with deep expertise in Apache JMeter and Dynatrace to lead end-to-end performance engineering efforts. In this role, you will be responsible for creating sophisticated performance test scripts, running large-scale testing, performing application performance analysis, uncovering performance bottlenecks, and proposing effective optimization recommendations.
Key Responsibilities
- Collect performance requirements and define performance testing strategies and plans.
- Develop, enhance, and customize JMeter scripts using advanced scripting techniques.
- Create workload models and production-like test scenarios.
- Run load, stress, volume, endurance, and scalability testing.
- Conduct deep-dive application performance monitoring and analysis with Dynatrace.
- Detect performance bottlenecks across application, database, and infrastructure layers.
- Evaluate test outcomes including response times, throughput, resource utilization, and error rates.
- Carry out root cause analysis and recommend performance tuning and optimization actions.
- Confirm applications meet the defined Non-Functional Requirements (NFRs).
- Apply knowledge of system architecture and technology stacks to ensure complete performance coverage.
- Partner with developers, architects, operations, and business stakeholders.
- Produce performance test reports, summarize findings, and deliver actionable recommendations.
- Promote ongoing improvements to application stability, scalability, and reliability.
Mandatory Skills
- Performance Engineering
- Performance Testing
- Apache JMeter
- Advanced JMeter Scripting
- JMeter Script Development and Customization
- Performance Test Planning and Strategy
- Requirement Gathering and NFR Analysis
- Workload Modelling
- Load Testing
- Stress Testing
- Volume Testing
- Endurance Testing
- Scalability Testing
- Performance Test Execution
- Performance Test Analysis
- Dynatrace
- Application Performance Monitoring (APM)
- Deep-Dive Performance Monitoring
- Bottleneck Identification and Analysis
- Root Cause Analysis (RCA)
- Performance Troubleshooting
- Application Performance Tuning
- Database Performance Tuning
- Infrastructure Performance Monitoring
- System Architecture Understanding
- Technology Stack Analysis
- Performance Reporting
- Cross-functional Collaboration
- Analytical and Problem-solving Skills
Good-to-Have Skills
- Dynatrace Distributed Tracing and Service Flow Analysis
- Dynatrace Dashboards and Alert Configuration
- Java or Groovy Scripting
- Python Scripting
- API Performance Testing
- SQL and Database Query Optimization
- Splunk
- Grafana
- Prometheus
- CI/CD Integration
- Cloud Performance Testing (AWS/Azure/GCP)
- Capacity Planning and Performance Benchmarking
Experience Requirements
- 6–10 years of experience in Performance Testing / Performance Engineering.
- Strong hands-on experience with JMeter script development and execution.
- Extensive practical experience in Dynatrace monitoring and performance analysis.
- Experience in identifying and resolving application, database and infrastructure bottlenecks.
- Good understanding of application architecture, NFRs and performance optimization.
