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Performance Test Engineer Jobs in California (NOW HIRING)

Nokia

SiGe Test Engineer

Sunnyvale, CA · On-site

Familiarity with programing languages such as VB.NET, Python, Matlab, C, C++, or similar languages ... Design test plans and algorithms for performance validation of SiGe ASIC, drivers, TIAs, and mixed ...

Peak Energy

Test Engineer

Burlingame, CA · On-site

$140K - $215K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

We are a team of engineers, operators, entrepreneurs, and partners driven by a shared ambition to set the new performance standard for renewable energy and grid resilience. About the Role - Test ...

3B Staffing LLC

Performance Engineer

Glendale, CA · On-site

The QA Load Testing Engineer / Performance Engineer would be responsible for implementation of performance test standards for the web application as it migrates to AWS. The goal is to complete the ...

3B Staffing LLC

Performance Engineer

Glendale, CA · On-site

The QA Load Testing Engineer / Performance Engineer would be responsible for implementation of performance test standards for the web application as it migrates to AWS. The goal is to complete the ...

EcoSense Lighting

Test Engineer

Los Angeles, CA

... performance and quality requirements. While working closely with the design engineers and other members of the project team, you will be the Test Engineer responsible for all facets of Test in the ...

Peak Energy

Test Engineer

Sacramento, CA · On-site

$150K - $215K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

We are a team of engineers, operators, entrepreneurs, and partners driven by a shared ambition to set the new performance standard for renewable energy and grid resilience. About the Role - Test ...

Peak Energy

Test Engineer

Burlingame, CA · On-site

$140K - $215K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

We are a team of engineers, operators, entrepreneurs, and partners driven by a shared ambition to set the new performance standard for renewable energy and grid resilience. About the Role - Test ...

Efficient Computer

Test Engineer

San Jose, CA · On-site

$150K - $190K/yr

... high-performance applications. Our team designs, tapes out, and brings up custom silicon across ... Efficient Computer is looking for a Test Engineer with hands-on DFT and fabless semiconductor test ...

EcoSense Lighting

Test Engineer

Los Angeles, CA · On-site

... performance and quality requirements. While working closely with the design engineers and other members of the project team, you will be the Test Engineer responsible for all facets of Test in the ...

Peak Energy

Test Engineer

Sacramento, CA · On-site

$150K - $215K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

We are a team of engineers, operators, entrepreneurs, and partners driven by a shared ambition to set the new performance standard for renewable energy and grid resilience. About the Role - Test ...

Peak Energy

Test Engineer

Burlingame, CA · On-site

$150K - $215K/yr

We are a team of engineers, operators, entrepreneurs, and partners driven by a shared ambition to set the new performance standard for renewable energy and grid resilience. About the Role - Test ...

Efficient Computer

Test Engineer

San Jose, CA · On-site

  • Retirement

... high-performance applications. Our team designs, tapes out, and brings up custom silicon across ... Efficient Computer is looking for a Test Engineer with hands-on DFT and fabless semiconductor test ...

Peak Energy

Test Engineer

San Francisco, CA · On-site

$140K - $215K/yr

We are a team of engineers, operators, entrepreneurs, and partners driven by a shared ambition to set the new performance standard for renewable energy and grid resilience. About the Role - Test ...

Peak Energy

Test Engineer

Sacramento, CA · On-site

$150K - $215K/yr

We are a team of engineers, operators, entrepreneurs, and partners driven by a shared ambition to set the new performance standard for renewable energy and grid resilience. About the Role - Test ...

Peak Energy

Test Engineer

Burlingame, CA · On-site

$140K - $215K/yr

We are a team of engineers, operators, entrepreneurs, and partners driven by a shared ambition to set the new performance standard for renewable energy and grid resilience. About the Role - Test ...

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All JobsPerformance Test Engineer JobsPerformance Test Engineer Jobs in California

Performance Test Engineer information

See California salary details

$9

$45

$68

How much do performance test engineer jobs pay per hour?

As of Aug 13, 2026, the average hourly pay for performance test engineer in California is $45.97, according to ZipRecruiter salary data. Most workers in this role earn between $34.42 and $58.37 per hour, depending on experience, location, and employer.

What is a performance test engineer?

A performance test engineer conducts testing during the entire lifecycle process of software development to ensure an efficient and satisfactory outcome. As a performance test engineer, your primary responsibilities include providing extensive troubleshooting and offering recommendations to fix technical issues. Your duties involve running tests on capacity, endurance, scenarios, stress, and performance, and designing a test system to simulate traffic loads. You monitor application operations, analyze memory usage, generate graphs, identify potential problems, and prepare detailed status reports.

What are some common challenges faced by performance test engineers when working on large-scale applications?

Performance Test Engineers working on large-scale applications often encounter challenges such as accurately simulating real-world user loads, identifying performance bottlenecks in complex systems, and ensuring tests reflect production environments. Coordinating with development and operations teams to set up realistic test data and environments can also be demanding. Additionally, interpreting and communicating test results to stakeholders requires strong analytical and communication skills to drive meaningful improvements.

What does a performance test engineer do?

A Performance Test Engineer is responsible for evaluating the speed, responsiveness, and stability of software applications under various workloads. They design and execute test plans to identify bottlenecks, ensure systems perform well under expected and peak traffic, and recommend improvements. Their work helps ensure that applications deliver a smooth and reliable experience to end users, even in high-demand situations. Performance Test Engineers often use specialized tools to simulate large numbers of users and analyze system behavior.

What is the difference between Performance Test Engineer vs QA Tester?

AspectPerformance Test EngineerQA Tester
Primary FocusEvaluating system performance, load, and scalabilityVerifying overall software quality and functionality
Skills & CertificationsPerformance testing tools (JMeter, LoadRunner), scripting, performance analysisManual and automated testing, bug tracking, test case design
Work EnvironmentPerformance labs, testing environments, scriptingDevelopment, testing, and user environments
Industry UsageIT, software development, telecomIT, software, manufacturing, healthcare

While both roles are essential in software quality assurance, the Performance Test Engineer specializes in assessing system performance under load, whereas the QA Tester focuses on overall functionality and defect detection. Understanding these differences helps employers and professionals align skills with job requirements.

What are the key skills and qualifications needed to thrive as a performance test engineer, and why are they important?

To thrive as a Performance Test Engineer, you need expertise in software testing methodologies, performance analysis, and scripting languages, often supported by a degree in computer science or related fields. Familiarity with tools such as JMeter, LoadRunner, or Gatling, and experience with monitoring systems and cloud platforms are commonly required. Strong analytical thinking, attention to detail, and effective communication skills set top performers apart in this role. These competencies are crucial for accurately identifying performance bottlenecks, ensuring system reliability, and collaborating across development teams.
More about Performance Test Engineer jobs
What cities in California are hiring for Performance Test Engineer jobs? Cities in California with the most Performance Test Engineer job openings:
What are popular job titles related to Performance Test Engineer jobs in CA? For Performance Test Engineer jobs in CA, the most frequently searched job titles are:
Performance Test Engineer jobs near you
Infographic showing various Performance Test Engineer job openings in California as of August 2026, with employment types broken down into 1% As Needed, 84% Full Time, 11% Part Time, 2% Temporary, and 2% Contract. Highlights an 91% Physical, 2% Hybrid, and 7% Remote job distribution, with an average salary of $95,616 per year, or $46 per hour.

iOS Performance Test Lead (LoadRunner, XCUITest)

ReqRoute,Inc

San Francisco, CA • On-site

Contractor

Posted 21 days ago

Job description

Job Description:iOS Performance Test Lead (LoadRunner, XCUITest)
Location: Onsite in Torrance, CA
Duration: 12 mos.
 
 
Job Description/ Responsibilities/ Years of experience:
Performance Testing & Scripting
• Design, develop, and maintain performance test scripts for iOS mobile applications.
• Hands on experience on Load Runner and XCUITest (Apple's native UI test automation framework)
• Build and execute load, stress, endurance, scalability, and volume tests for mobile applications and supporting backend services.
• Develop automated performance testing solutions using industry-standard tools and frameworks.
• Analyze application, device, network, API, and backend performance metrics to identify bottlenecks.
• Validate mobile application performance across different iOS devices, operating system versions, and network conditions.
Performance Engineering
• Define and implement performance testing strategies and best practices.
• Establish performance baselines and benchmark application performance against defined targets.
• Identify, diagnose, and troubleshoot application performance issues across the mobile ecosystem.
• Provide recommendations for performance tuning and optimization.
• Support performance testing throughout the SDLC and Agile release lifecycle.
Stakeholder Collaboration
• Partner with development teams, architects, product owners, and business stakeholders to understand performance requirements.
• Define and document Service Level Agreements (SLAs), Service Level Objectives (SLOs), and performance KPIs.
• Present performance test results, findings, risks, and recommendations to technical and non-technical stakeholders.
• Collaborate with DevOps and infrastructure teams to support performance testing environments.
Monitoring & Reporting
• Measure and report application response times, throughput, resource utilization, and user experience metrics.
• Develop performance dashboards and automated reporting mechanisms.
• Track performance trends and provide proactive recommendations for continuous improvement.
• Support production performance monitoring and root cause analysis when required.
 
What are the top 3 skills required for this role?
1. Develop performance and test scripts to simulate real world scenarios using Loadrunner & JMeter
2. Hands on experience on Load Runner and XCUITest (Apple's native UI test automation framework)
3. Experience with APM tools such Dynatrace, AppDynamics, etc.
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About Reqroute

Sourced by ZipRecruiter

ReqRoute is a young, vibrant, and dynamic recruitment marketing agency focused on providing Recruitment Branding Solutions, HCM Business Consulting; Managed Services to its customers worldwide. No customer is small; we service small businesses to fortune 1000 customers across the globe. Based in the heart of Silicon Valley and offices in Vancouver & Toronto, Canada, we are passionate about building stronger employer brands to help employers attract the best talent. We differentiate ourselves by our strong value system, commitment to our clients, best practices and a sound industry experience in finding out-performers. ReqRoute develops sustainable relationships based on mutual trust, responsiveness and accountability. While we continue to expand the infrastructure and resources available to our clients, we remain nimble in our approach to customer service and the management of our relationships. We take time to properly understand our client needs and offer a full range of cost effective, client centric solutions to a diverse client base. We offer flexible delivery methods to help our clients achieve their specific recruitment branding objectives by using our platform. We put you on the driver’s seat by enabling you to track the effectiveness of your recruitment marketing campaign by providing you real time analytics that helps you make changes to strategies and reallocate budgets.

Company size

201 - 500 Employees

Headquarters location

San Jose, CA, US

Year founded

2008

Social media

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