Test Engineer/Performance Testing

CCS INC; Plano (TX); On-site; USD 90,000 - 120,000; Full time

Job summary

CCS INC in Plano, TX is seeking a Performance Test Engineer to build and run load, stress, soak, spike, and endurance tests for applications, APIs, and backend services. The role emphasizes k6 as the primary tool and JMeter as secondary.

You will analyze results, identify bottlenecks, and help integrate testing into CI/CD pipelines, collaborating with developers and operations. Ideal candidates have 5–12 years of experience, including 3–5 years with k6, and strong scripting skills.

Qualifications

• Bachelor's degree in Computer Science.
• Hands-on experience with k6 and JMeter.
• Experience 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.

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.

Skills

Load testing

Performance testing

CI/CD

HTTP/HTTPS concepts

Scripting (JavaScript, Groovy, or Py**

Education

Bachelor's degree in Computer Science

Tools

k6

JMeter

Job 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