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Ampstek

Ampstek is hiring: Performance Tester USC and GC in Denver

Ampstek, Denver, CO, US, 80285

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Role :: Performance Tester

Location :: Denver Co Onsite

Duration :: Long Term Contract


Visa only USC and GC

Key Responsibilities

• Analyze non-functional requirements and create detailed performance test plans and strategies.

• Design, develop, and execute load, stress, endurance, spike, scalability, and volume tests.

• Use performance testing tools such as JMeter, LoadRunner, Neoload, Gatling, BlazeMeter, etc.

• Monitor system behavior during tests using APM tools (e.g., Dynatrace, AppDynamics, New Relic, Grafana, Kibana).

• Identify performance bottlenecks related to CPU, memory, database, network, and application code.

• Work with development, DevOps, and infrastructure teams to analyze issues and implement fixes.

• Prepare detailed performance test results, reports, and recommendations.

• Develop automated performance test scripts and integrate them into CI/CD pipelines (Jenkins, GitLab, Azure DevOps).

• Conduct root cause analysis for performance issues and propose optimization solutions.

• Ensure performance testing best practices and governance are followed across the project lifecycle.


Required Skills & Experience

• 3–8+ years of hands-on experience in performance testing.

• Strong expertise in performance testing tools:

o JMeter, LoadRunner (Vugen), Neoload, or similar.

• Experience with monitoring & APM tools:

o Dynatrace, AppDynamics, New Relic, Grafana/Prometheus.

• Good understanding of HTTP protocols, web services, APIs (REST/SOAP).

• Knowledge of scripting languages such as Java, JavaScript, Python, or LoadRunner scripting.

• Experience working with databases (SQL queries, performance checks).

• Familiarity with cloud platforms (AWS / Azure / GCP) and containerization (Docked, Kubernetes) is a plus.

• Strong analytical and troubleshooting skills.

• Excellent communication and documentation abilities.

Preferred Qualifications

• Certification in performance testing (Neoload, LoadRunner, JMeter) is a plus.

• Experience in testing microservices, distributed systems, or cloud-native applications.

• Prior experience in implementing shift-left performance testing.

Education

• Bachelor’s degree in Computer Science, Engineering, or related field.