CO

Performance Testing

Cognizant Technology Solutions India Pvt Ltd
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.

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