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Performance Engineer Jobs in Seattle, WA (NOW HIRING)

ClifyX

performance engineer

Seattle, WA · On-site

ClifyX is seeking a Performance Engineer to work onsite in Seattle, WA, specifically for Starbucks/Infosys. The role involves performance testing and requires expertise in Jmeter with API testing and ...

CoreWeave

HPC Performance Engineer

Bellevue, WA · On-site

CoreWeave is seeking a highly skilled and motivated HPC Performance Engineer to join our HAVOCK Team, reporting into the Manager of Systems Engineering. In this role, you will play a crucial part in ...

CoreWeave

HPC Performance Engineer

Seattle, WA · On-site +1

$165K - $242K/yr

CoreWeave is seeking a highly skilled and motivated HPC Performance Engineer to join our HAVOCK Team, reporting into the Manager of Systems Engineering. In this role, you will play a crucial part in ...

OpenAI

Workload Porting & Performance Engineer

Seattle, WA · On-site

$293K - $385K/yr

About the Role We are seeking a Workload Porting & Performance Engineer to evaluate new hardware platforms by porting benchmarks and real-world workloads, analyzing performance, and identifying ...

OpenAI

Performance Modeling Engineer

Seattle, WA · On-site

$293K - $385K/yr

About the Role We are seeking Performance Modeling Engineers to develop and apply modeling tools that evaluate AI system performance and inform architectural decisions. In this role, you will work ...

OpenAI

Performance Modeling Engineer ~2

Seattle, WA · On-site

$293K - $385K/yr

About the Role We are seeking an Performance Modeling Engineer to support the development and application of modeling tools used to evaluate AI system performance and inform architectural decisions.

Nvidia

Senior Performance Engineer - DGX Cloud

Redmond, WA · On-site

$117K - $160K/yr

We are seeking a Senior Performance Engineer to characterize workloads, establish performance baselines, diagnose bottlenecks, and drive optimizations from investigation through deployment. Your work ...

Nvidia

Senior Performance Engineer - DGX Cloud

Redmond, WA · On-site

$117K - $160K/yr

We are seeking a Senior Performance Engineer to characterize workloads, establish performance baselines, diagnose bottlenecks, and drive optimizations from investigation through deployment. Your work ...

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Performance Engineer information

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How much do performance engineer jobs pay per hour?

As of Sep 2, 2026, the average hourly pay for performance engineer in Seattle, WA is $68.40, according to ZipRecruiter salary data. Most workers in this role earn between $56.06 and $77.40 per hour, depending on experience, location, and employer.

What is a performance engineer?

A Performance Engineer is a professional who ensures that software applications and systems run efficiently and meet performance requirements. They analyze, test, and optimize system performance by identifying bottlenecks, conducting load and stress testing, and recommending improvements. Performance Engineers work closely with development and operations teams to ensure that applications can handle expected user loads and deliver a smooth user experience. Their work is crucial in preventing slowdowns, crashes, and other performance-related issues in production environments.

What is performance engineering?

Performance engineering is the development of software solutions for specific business problems. As a performance engineer, your responsibilities are to identify issues, whether for a particular company or an industry, and develop software that directly addresses them. To become a performance engineer, you need a bachelor’s degree in computer science or computer engineering, two to five years of information technology (IT) work experience, and excellent problem solving skills. Organizations like HyPerformix offer professional certifications, like their Enterprise Performance Engineering program, which can significantly boost your qualifications. Your additional job duties include performing routine maintenance and service, experimenting with possible solutions in the test environment, and monitoring system performance.

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

To thrive as a Performance Engineer, you need strong analytical abilities, a solid understanding of software architecture, and experience with load testing and profiling, often supported by a degree in computer science or a related field. Familiarity with tools such as JMeter, LoadRunner, New Relic, and monitoring systems, as well as scripting languages, is typically required. Excellent problem-solving, attention to detail, and effective communication skills help distinguish top performers in this role. These skills and qualities are crucial for identifying system bottlenecks, optimizing performance, and ensuring a seamless user experience.

What are some common challenges performance engineers face when optimizing complex systems?

Performance Engineers often encounter challenges such as identifying bottlenecks in multi-tiered or distributed systems, balancing trade-offs between speed and resource consumption, and ensuring that performance improvements do not compromise system reliability. They frequently work with cross-functional teams, requiring strong communication skills to translate technical findings into actionable recommendations. Staying up-to-date with evolving tools and best practices is also essential, as technology stacks and performance benchmarks continually change.

What is the difference between Performance Engineer vs Software Test Engineer?

AspectPerformance EngineerSoftware Test Engineer
Primary FocusOptimizing system performance, load testing, scalabilityFunctional testing, bug identification, feature validation
Required SkillsPerformance testing tools, scripting, system analysisTest case design, automation, defect tracking
Work EnvironmentDevelopment teams, QA, DevOpsQA teams, development teams
CertificationsPerformance testing certifications (e.g., JMeter, LoadRunner)ISTQB, software testing certifications

Performance Engineers focus on system performance, scalability, and load testing, ensuring applications run efficiently under stress. Software Test Engineers primarily verify functionality and identify bugs. While both roles require testing skills, Performance Engineers specialize in performance metrics and optimization, making their roles complementary but distinct.

How much do performance engineers make in the US?

Performance engineers in the US typically earn between $80,000 and $130,000 annually, depending on experience, location, and industry. Senior roles or those with specialized skills in tools like JMeter or LoadRunner can command higher salaries, often exceeding $150,000.
More about Performance Engineer jobs

What are the most commonly searched types of Performance Engineer jobs in Seattle, WA?

The most popular types of Performance Engineer jobs in Seattle, WA are:

What are popular job titles related to Performance Engineer jobs in Seattle, WA?

For Performance Engineer jobs in Seattle, WA, the most frequently searched job titles are:

What job categories do people searching Performance Engineer jobs in Seattle, WA look for?

The top searched job categories for Performance Engineer jobs in Seattle, WA are:

Performance Engineer jobs near you
Infographic showing various Performance Engineer job openings in Seattle, WA as of August 2026, with employment types broken down into 1% As Needed, 85% Full Time, 11% Part Time, and 3% Contract. Highlights an 88% Physical, 2% Hybrid, and 10% Remote job distribution, with an average salary of $142,275 per year, or $68.4 per hour.

performance engineer

ClifyX

Seattle, WA • On-site

Full-time

Re-posted 7 days ago

Job description

Job Summary:
ClifyX is seeking a Performance Engineer to work onsite in Seattle, WA, specifically for Starbucks/Infosys. The role involves performance testing and requires expertise in Jmeter with API testing and performance testing.
Responsibilities:
• Performance testing need @ Seattle, WA for Starbucks/Infosys
Qualifications:
Required:
• Jmeter with API testing & Performance testing- Mandatory skill
Preferred:
• TOSCA – Nice to have, if not having should be willing to learn
• Load runner is an advantage
Company:
ClifyX provides innovative business solutions which satisfy requirements for mission-critical reliability, scalability, interoperations. Founded in 1998, the company is headquartered in South Plainfield, USA, with a team of 501-1000 employees. The company is currently Late Stage.
ClifyX logo

About ClifyX

Sourced by ZipRecruiter

ClifyX is a well-established player in the IT Services sector that specializes in providing result-oriented technological solutions to a wide range of industrial verticals. Based in South Plainfield, New Jersey, ClifyX offers a comprehensive selection of IT services that include project staffing, application development, professional consulting, and other IT-based solutions. While the company's website, clifyx.com, does not divulge the exact founding date, it is clear that ClifyX has grown into a renowned name within their domain, thanks to their unwavering commitment to innovative practices. The company's mission statement revolves around harnessing the power of technology to assist their clientele in steering their respective businesses towards success.

Industry

Recruiting and staffing services

Company size

51 - 200 Employees

Headquarters location

South Plainfield, NJ, US

Year founded

1998

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