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Senior Performance Engineer Jobs in California (NOW HIRING)

Artech, LLC

Performance Profiling Engineer

San Jose, CA · On-site

$60 - $75/hr

Senior Performance Profiling Engineer - Electrical Engineer (Android / AR/VR) Duration: 6-12+ months Location: Mountain View, CA Pay rate: $60 - $75/hr. W2 incl. benefits You would be responsible for ...

HGA

Sr Building Performance Engineer

San Francisco, CA

$123K - $169K/yr

Help Shape the Future of Sustainable Building Performance at HGA as a Senior Building Performance Engineer on the West Coast! HGA, an award-winning architectural, engineering, and planning firm , is ...

HGA

Sr Building Performance Engineer

San Francisco, CA · On-site

$123K - $169K/yr

Help Shape the Future of Sustainable Building Performance at HGA as a Senior Building Performance Engineer on the West Coast! HGA, an award-winning architectural, engineering, and planning firm , is ...

Amazon

Sr Performance Validation Engineer

Sunnyvale, CA · On-site

As the Senior Pre-Silicon Performance Validation Engineer, you will be responsible for validating and verifying the performance of complex silicon designs during the pre-silicon phase, ensuring that ...

Apple

Sr. WebKit Performance Engineer

San Diego, CA · On-site

$148K/yr

The WebKit Performance team is looking for an engineer with a passion for software optimization to support one of the most heavily used frameworks and applications in the world. WebKit is the system ...

quadric, Inc

Senior Performance Architect

Burlingame, CA · On-site

$188K/yr

As a Senior Performance Architect, you will be the critical link between software and hardware ... Collaborate with compiler engineers to improve code generation and optimization passes * Work with ...

Broadcom

AI Systems Performance Engineer

San Jose, CA · On-site

Broadcom is seeking a highly talented and experienced Senior AI Fabric Performance Engineer to take on a critical role within their Performance Lab. This role involves driving the performance ...

quadric, Inc

Senior Performance Architect

Burlingame, CA

$188K/yr

As a Senior Performance Architect, you will be the critical link between software and hardware ... Collaborate with compiler engineers to improve code generation and optimization passes * Work with ...

Apple

Sr. WebKit Performance Engineer

San Diego, CA

$175K - $308K/yr

The WebKit Performance team is looking for an engineer with a passion for software optimization to support one of the most heavily used frameworks and applications in the world. WebKit is the system ...

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All JobsPerformance Engineer JobsSenior Performance Engineer JobsSenior Performance Engineer Jobs in California

Senior Performance Engineer information

See California salary details

$58.7K

$124.9K

$181.1K

How much do senior performance engineer jobs pay per year?

As of Jul 19, 2026, the average yearly pay for senior performance engineer in California is $124,900.00, according to ZipRecruiter salary data. Most workers in this role earn between $103,100.00 and $141,600.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive in the Senior Performance Engineer position, and why are they important?

To thrive as a Senior Performance Engineer, expertise in performance analysis, capacity planning, and system optimization—often backed by a degree in computer science or a related field—is crucial. Familiarity with tools such as LoadRunner, JMeter, APM solutions, profiling tools, and relevant certifications like CPPE or PMP are highly beneficial. Strong problem-solving, collaboration, and clear communication skills are vital for identifying bottlenecks and working closely with cross-functional teams. These combine to ensure robust system performance, user satisfaction, and reliable application scalability in demanding technical environments.

What are the most common responsibilities of a Senior Performance Engineer on a day-to-day basis?

A Senior Performance Engineer typically oversees performance testing cycles, analyzes system metrics, and collaborates with development and operations teams to diagnose and resolve performance issues. Daily tasks often include designing and executing test plans, monitoring application behavior under load, and recommending improvements for scalability and efficiency. They also participate in code reviews and architectural discussions to identify potential bottlenecks early in the development cycle. Consistent communication with both technical and non-technical stakeholders is key, ensuring that performance goals align with business objectives.

What is a Senior Performance Engineer job?

A Senior Performance Engineer is responsible for optimizing the performance, scalability, and reliability of software applications and systems. They analyze performance metrics, conduct load and stress testing, identify bottlenecks, and work with development teams to implement improvements. This role requires expertise in profiling tools, performance tuning, and system architecture to ensure optimal user experience. Additionally, they may establish best practices for performance testing and contribute to overall system design decisions.

What are the most commonly searched types of Performance Engineer jobs in California? The most popular types of Performance Engineer jobs in California are:
What are popular job titles related to Senior Performance Engineer jobs in California? For Senior Performance Engineer jobs in California, the most frequently searched job titles are:
What job categories do people searching Senior Performance Engineer jobs in California look for? The top searched job categories for Senior Performance Engineer jobs in California are:
What cities in California are hiring for Senior Performance Engineer jobs? Cities in California with the most Senior Performance Engineer job openings:
Senior Performance Engineer jobs near you
Infographic showing various Senior Performance Engineer job openings in California as of July 2026, with employment types broken down into 92% Full Time, 4% Part Time, 1% Temporary, and 3% Contract. Highlights an 87% Physical, 4% Hybrid, and 9% Remote job distribution, with an average salary of $124,900 per year, or $60 per hour.
Performance Engineer

Performance Engineer

Integrated Resources INC

Walnut Creek, CA

Other

Posted 15 days ago

Job description

Company Description

IRI believes in commitment, integrity and strategic workforce solutions.

Integrated Resources, Inc., is led by a seasoned team with combined decades in the industry. We deliver strategic workforce solutions that help you manage your talent and business more efficiently and effectively. Since launching in 1996, IRI has attracted, assembled and retained key employees who are experts in their fields. This has helped us expand into new sectors and steadily grow.


We've stayed true to our focus of finding qualified and experienced professionals in our specialty areas. Our partner-employers know that they can rely on us to find the right match between their needs and the abilities of our top-tier candidates. By continually exceeding their expectations, we have built successful ongoing partnerships that help us stay true to our commitments of performance and integrity.


Our team works hard to deliver a tailored approach for each and every client, critical in matching the right employers with the right candidates. We forge partnerships that are meant for the long term and align skills and cultures. At IRI, we know that our success is directly tied to our clients' success.

Job Description


Position: Performance Engineer

Duration: 1 Year Contract 

Location: Walnut Creek, CA

Direct client: Immediate Interview 

Responsibilities: 

- Perform performance/scalability testing on our backend messaging platform 

- The ideal candidate will have both the ability to create high-level benchmarks, working closely with Product Management and dev architects to define them, as well as the ability to develop micro-benchmarks to help isolate performance bottlenecks and confirm performance gains 

- Deploy and manage clusters spanning hundreds of nodes 


Requirements: 

5+ years industry experience 

Skilled in both the art and science of benchmark creation and measurement and modelling of system behaviour under load 

Strong understanding of Java performance: garbage collection, heap dump analysis, tuning, caching, throttling and Java profiling 

Knowledge of statistical analysis and experimental design techniques 

Good knowledge of Hadoop, Oracle and SQL 

Deep knowledge of web services standards and related technologies (XML, SOAP, REST) 

Strong knowledge of TCP/IP networking 

Experience in system monitoring and problem troubleshooting 

Equal comfort in Microsoft and Unix/Linux environments in terms of both tools and systems administration. 

Experience in tackling problems of load, scale, and optimizations of complex large-scale deployments 

Experience with Silk Performer tool is a plus 

Experience with Java is a plus 

Ability to find root cause of performance bottlenecks

Education: 

Bachelor's degree or higher in Computer Science, or equivalent


Additional Information

Nagesh 

Sr.Technical Recruiter

Integrated Resources, Inc.

IT Life Sciences Allied Healthcare CRO

Certified MBE |GSA - Schedule 66 I GSA - Schedule 621I

DIRECT # - 732 - 429 -1641 | (W) # 732-549-2030 - Ext - 305 | (F) 732-549-5549  

Gold Seal JCAHO Certified for Health Care Staffing

"INC 5000's FASTEST GROWING, PRIVATELY HELD COMPANIES" (8th Year in a Row)


Integrated Resources logo

About Integrated Resources

Sourced by ZipRecruiter

Integrated Resources Inc (IRI), based in Edison, NJ, US, is an esteemed player in the staffing solutions industry with a credible presence on their official website irionline.com. Notably, IRI provides a range of professional staffing services including contract, contract-to-hire, and direct hire solutions to a wide spectrum of industries such as healthcare, life sciences, manufacturing, financial, insurance, and others. Since its inception, IRI has been committed to delivering top-talent and optimum solutions to meet its clients' diverse needs.

Industry

Recruiting and staffing services

Company size

51 - 200 Employees

Headquarters location

Edison, NJ, US

Year founded

1996

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