Lead Performance Engineer

VMC Soft Technologies, Inc; Jersey City (NJ); On-site; USD 150,000 - 190,000; Full time

Job summary

VMC Soft Technologies, Inc. is seeking a Lead Performance Engineer in the United States to design, develop, and execute performance testing strategies for enterprise and cloud-based applications.

You will work onsite across New Jersey, New York, and California with local interview flexibility. The role requires hands-on expertise with Apache JMeter, Load Runner, K6, Gatling, DataDog, and Dynatrace, plus strong API, Web, and automation testing capabilities.

Qualifications

• 12+ years of experience in Performance Engineering.
• Hands-on expertise with JMeter, Load Runner, K6, Gatling, DataDog and Dynatrace.
• Experience designing and executing performance testing for API, Web and backend systems.

Responsibilities

• Design, develop, and execute performance testing strategies for enterprise and cloud-based apps.
• Create and maintain performance scripts for web, API, and backend services.
• Conduct load, stress, endurance, and scalability testing of applications and microservices.
• Develop automated test suites for Next.js applications (unit, integration, E2E).
• Perform API performance testing (REST/JSON, SOAP) and integrate with automation frameworks.
• Analyze results, identify bottlenecks, and provide actionable recommendations.
• Monitor CPU, memory, GC, I/O, and network during test runs.
• Collaborate with Dev and DevOps to optimize performance and infrastructure.
• Integrate performance tests into CI/CD pipelines and report findings.

Skills

Performance testing

JMeter

LoadRunner

K6

Gatling

DataDog

Dynatrace

API testing

Web testing

Automation testing

CI/CD

Next.js

AWS infra

Tools

Apache JMeter

LoadRunner

K6

Gatling

DataDog

Dynatrace

Next.js

REST/JSON testing tools

Job description

Job Title : Lead Performance Engineer

Location : New Jersey, NJ/New York, NY/Sunnyvale, CA (Onsite)

(Local candidates as interviews on Face to Face basis)

Jd

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.

Key Responsibilities

• 12+ Yrs of experience in Performance Engineering


• Triaging Exp on network and AWS infra systems is required


• 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