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Performance Engineer

ASCII Group LLCSunnyvale, CA🇺🇸United StatesPosted Oct 14, 2026

Why This Role Stands Out

Advance your career as a Performance Engineer at ASCII Group LLC, a company known for its innovative projects and supportive team environment. This mid-senior role offers an excellent opportunity to refine your engineering skills and contribute to impactful solutions. If you thrive in a collaborative, on-site setting and are eager to tackle complex challenges, this position is perfect for you to apply.

Quick Overview

Seniority
Mid Senior
Work mode
On Site
Location
Sunnyvale, CA, United States
Posted
19 hours ago

Job Description

Hii,

C2C or W2

The following requirement is open with our client. 

Title                                       : Performance Engineer

Location                               : Sunnyvale, CA (Hybrid – Local Candidates Only)

Duration                              : 12 Months

Relevant Experience (in Yrs.) : 8+

  ·         Detailed Job Description:

  • ·         Job Title: Lead Performance Engineer
  • ·         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 Apache JMeter and LoadRunner, 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 "
    Must have Skills:
  • ·         JMeter
  • ·         LoadRunner
  • ·         Next.js
  • ·         API Testing
  • ·         Performance Engineering

·         Thanks and Regards,

·         Grace

·         Technical Recruiter |ASCII Group LLC. 

·         Email:  |Direct: 

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