Lead Performance Engineer

Job Title: Lead Performance Engineer

Work Location: Sunnyvale, CA 

Work Mode:Hybrid role
Visas:H1B,(Passport No Manditory)

 Important Note: **F2F interview, candidates should be local to Sunnyvale office

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, 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"