Lead Performance Engineer
VMC Soft Technologies, Inc · Sunnyvale, CA · 4 wk ago
On-siteEngineeringContract
About the role
Lead Performance Engineer position located in Sunnyvale, CA (onsite). The role involves designing, developing, and executing performance testing strategies for enterprise and cloud-based applications, working closely with development, QA, DevOps, and architecture teams to ensure scalability, reliability, and performance.
Responsibilities
- 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
Requirements
12+ years of experience in Performance Engineering
Skills
- 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 applications
- Design and deployment of performance test frameworks
- 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
- Hands‑on experience with LoadRunner, K6, Gatling, DataDog, Dynatrace