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Performance Engineer Jobs in Seattle, WA (NOW HIRING)

CoreWeave

GPU Performance Engineer

Bellevue, WA · On-site

The GPU Performance Engineer will focus on improving the efficiency, reliability, and scalability of systems that power CoreWeave's infrastructure validation and performance testing, collaborating ...

CoreWeave

HPC Performance Engineer

Bellevue, WA · Remote

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

ChatGPT Performance Engineer

Seattle, WA · On-site

They are seeking an experienced Performance Engineer to optimize the performance, reliability, and efficiency of their systems, particularly focusing on high-scale distributed systems and cross ...

CoreWeave

GPU Performance Engineer

Bellevue, WA

$120K - $160K/yr

Adapt and extend open source tooling to enhance visibility into system metrics, performance, and health * Participate in an on-call rotation Who You Are: * 2-5 years of software engineering ...

CoreWeave

GPU Performance Engineer

Bellevue, WA

$120K - $160K/yr

Adapt and extend open source tooling to enhance visibility into system metrics, performance, and health * Participate in an on-call rotation Who You Are: * 2-5 years of software engineering ...

USM

Senior Performance Engineer in Test

Seattle, WA · On-site

Required: Strong Performance engineering concepts, strong aptitude for Performance test planning, identifying performance requirements/targets, test prioritization, schedule/environment/issue ...

OpenAI

Performance Modeling Engineer

Seattle, WA · Hybrid

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 · Hybrid

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.

Paradigminfotech

Performance Lead

Bellevue, WA

Ability to develop a test plan as required Ability to review other engineer's code and test results ... performance and scalability issues and associated risks Ability to gather requirements for ...

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All JobsPerformance Engineer JobsPerformance Engineer Jobs in Seattle, WA

Performance Engineer information

See Seattle, WA salary details

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How much do performance engineer jobs pay per hour?

As of Jun 23, 2026, the average hourly pay for performance engineer in Seattle, WA is $68.44, according to ZipRecruiter salary data. Most workers in this role earn between $56.11 and $77.45 per hour, depending on experience, location, and employer.

What engineer makes $500,000 a year?

Performance engineers or senior software engineers with extensive experience, specialized skills, and certifications can earn salaries approaching or exceeding $500,000 annually, especially in high-cost living areas or at top tech companies. Such roles often require expertise in performance optimization, large-scale systems, and advanced tools, along with leadership responsibilities.

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.

What is the work of performance engineer?

A performance engineer is responsible for analyzing, testing, and optimizing software and system performance to ensure reliability and efficiency. They use tools like load testing and monitoring software to identify bottlenecks and improve system scalability, often working closely with development and operations teams.

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 engineers make $300,000 a year?

Performance engineers, especially those with extensive experience, advanced skills in testing, automation, and performance tuning, can earn $300,000 or more annually in senior or specialized roles. High compensation often requires expertise with tools like LoadRunner or JMeter, relevant certifications, and work in competitive industries such as finance or technology. Salary levels vary based on location, company size, and individual expertise.

What do performance engineers do?

Performance engineers analyze and optimize software systems to ensure they meet performance requirements, such as speed, scalability, and stability. They use tools like load testing and monitoring software to identify bottlenecks and improve system efficiency, often working closely with development and QA teams. Strong knowledge of scripting, performance testing tools, and system architecture is essential for this role.

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 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.
More about Performance Engineer jobs
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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 June 2026, with employment types broken down into 50% Full Time, and 50% Contract. Highlights an 100% In-person job distribution, with an average salary of $142,355 per year, or $68.4 per hour.
GPU Performance Engineer

GPU Performance Engineer

CoreWeave

Bellevue, WA • On-site

Full-time

Posted 8 days ago

Job description

Job Summary:
CoreWeave is The Essential Cloud for AI™, providing a platform that enables innovators to build and scale AI confidently. The GPU Performance Engineer will focus on improving the efficiency, reliability, and scalability of systems that power CoreWeave's infrastructure validation and performance testing, collaborating with various teams to enhance their GPU performance testing platform.
Responsibilities:
• Implement and maintain solutions to problems of scale for testing and validation of CoreWeave's global infrastructure
• Develop and improve performance tests and automation workflows to expand hardware validation across the CoreWeave fleet
• Troubleshoot and maintain Kubernetes custom controllers and operators that automate infrastructure testing
• Adapt and extend open source tooling to enhance visibility into system metrics, performance, and health
• Participate in an on-call rotation
Qualifications:
Required:
• 2–5 years of software engineering experience
• Competency in Go and/or Python software development
• Hands-on experience with Kubernetes at production scale
Preferred:
• Experience building backend services
• Experience testing hardware at scale
• HPC experience
• Experience with AI/ML infrastructure and training/inference
Company:
CoreWeave provides cloud infrastructure services designed to support artificial intelligence and high-performance computing workloads. Founded in 2017, the company is headquartered in Livingston, USA, with a team of 1001-5000 employees. The company is currently Late Stage.

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