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Test Engineer/Performance Testing

Performance test engineer to build and run load, stress, soak, spike, and endurance tests for applications, APIs, and backend services.

  • Plano, Texas, United States
  • Posted Nov 5, 2026
INDUSTRYSoftware & InternetSaaS & Enterprise Software

Responsibilities

  • Build and maintain performance test scripts in k6 and JMeter
  • Run load, stress, soak, spike, and endurance tests
  • Test applications, APIs, and backend services
  • Analyze response times, throughput, error rates, CPU, memory, and other metrics
  • Identify bottlenecks and work with engineering teams to troubleshoot
  • Define performance goals and success criteria
  • Write performance test reports
  • Support benchmarking and capacity planning
  • Integrate performance tests into CI/CD pipelines

Requirements

  • Bachelor’s degree in Computer Science
  • Experience in a performance testing
  • Experience in a load testing

Nice to have: AWS, Azure, GCP, Kubernetes, EKS, Java, Python

Skills

k6JMeterload testingstress testingendurance testingscalability testingAPI testingweb application testingHTTP/HTTPScookiessessionsheadersauthenticationlogsmetricsmonitoring dataJavaScriptGroovyPythonJenkinsGitLab CIAzure DevOpsk6JMeterJenkinsGitLab CIAzure DevOpsAWSAzureGCPKubernetesEKS

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Full description

Summary We’re looking for a performance test engineer to build and run load, stress, soak, spike, and endurance tests for applications, APIs, and backend services. The role centers on k6 (first priority) and JMeter (second), and includes analyzing results, finding bottlenecks, and integrating performance testing into CI/CD pipelines. Candidates need 5 to 12 years of overall experience, including 3 to 5 years with k6. Responsibilities Build and maintain performance test scripts in k6 and JMeter Run load, stress, soak, spike, and endurance tests Test applications, APIs, and backend services Analyze response times, throughput, error rates, CPU, memory, and other metrics Identify bottlenecks and work with engineering teams to troubleshoot Define performance goals and success criteria Write performance test reports Support benchmarking and capacity planning Integrate performance tests into CI/CD pipelines Required Qualifications Bachelor’s degree in Computer Science Strong hands-on experience with k6 and JMeter Strong performance testing experience, including designing and executing load, stress, endurance, and scalability tests Experience testing APIs and web applications Understanding of HTTP/HTTPS, cookies, sessions, headers, and authentication Ability to analyze logs, metrics, and monitoring data Scripting skills in JavaScript, Groovy, or Python Familiarity with Jenkins, GitLab CI, or Azure DevOps Strong communication and analytical skills Preferred Experience with AWS, Azure, or GCP (any cloud is acceptable) Knowledge of Kubernetes and containerized applications (e.g., EKS) Experience writing code in Java or Python

Test Engineer/Performance Testing at CCS INC | Referso Jobs