Lead Performance Engineer

The ideal candidate has hands-on experience with JMeter, Load runner, K6, Gatling, Data Dog, Dynatrace skills, and solid expertise in API, Web and automation testing. • Design, develop, and maintain performance test scripts using Apache JMeter or similar tools for web, API, and backend systems.

Job Title: Lead Performance Engineer

Location: Sunnyvale, CA(Hybrid role)
Duration: 6 months

Role Descriptions:
• We are looking for a skilled Lead Performance Engineer to design, develop, and execute performance testing strategies for enterprise and cloud-based applications.
• The ideal candidate has hands-on experience with JMeter, Load runner, K6, Gatling, Data Dog, Dynatrace skills, and solid expertise in API, Web and automation testing.
• Candidate will work closely with development, QA, DevOps, and architecture teams to ensure applications are scalable, reliable, and performant.

Key Responsibilities
• 12+ Yrs of experience in Performance Engineering.
• Design, develop, and maintain performance test scripts using Apache JMeter or similar tools for web, API, and backend systems.
• Conduct load, stress, endurance, and scalability testing for applications and microservices.
• Design, develop, and maintain automated test suites for Next.js applications, covering unit, integration, and E2E tests.
• Perform API performance testing (REST/JSON, SOAP) and integrate with automation frameworks.
• Analyze test results, identify performance bottlenecks, and provide actionable recommendations.
• Monitor system performance metrics (CPU, memory, GC, I/O, network) during test execution.
• Collaborate with development and DevOps teams to optimize application and infrastructure performance.
• Integrate performance tests into CI/CD pipelines.
• Prepare detailed performance test reports and present findings to stakeholders.
• Continuously improve testing frameworks, tools, and best practices.

Required Skills & Qualifications
• Strong experience in performance testing and engineering best practices
• Hands-on expertise with Apache JMeter (test plans, scripting, listeners, distributed testing)
• Front end performance testing experience on Next.js application
• Design and deployment of performance test framework
• Experience with API automation and performance testing (REST, SOAP)
• Knowledge of HTTP/HTTPS protocols, JSON, XML
• Experience with performance monitoring tools (APM, server logs, JVM monitoring)
• Familiarity with CI/CD tools (Jenkins, Git, etc.
• Strong analytical, troubleshooting, and communication skills.