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Performance Engineer Jobs in Milpitas, CA (NOW HIRING)

Navtech, Inc.

Performance Lead Engineer

Menlo Park, CA · On-site

Performance lead Engineer Location: Menlo Park, CA ( Remote Till Covid) Type: Long term Contract /Skill Set:- * In depth experience in scripting and designing load scenarios using Load Runner, JMeter

SOFTHQ INC

Performance Monitoring Engineer

San Jose, CA · On-site

Performance Monitoring Engineer Work Location: San Jose, CA Duration: 12+months Minimum years of experience: 8-10 years Senior Consultant | Infrastructure-Transformation | Automation and Provisioning ...

Etched

Performance Modeling Engineer

Cupertino, CA · On-site

Simulate performance of existing and upcoming state-of-the-art (SOTA) Transformer models on our ASIC architecture vs other alternatives (GPUs, TPUs etc) WE'RE LOOKING FOR ENGINEERS WITH: * Expert ...

Etched

Performance Modeling Engineer

Cupertino, CA · On-site

Simulate performance of existing and upcoming state-of-the-art (SOTA) Transformer models on our ASIC architecture vs other alternatives (GPUs, TPUs etc) WE'RE LOOKING FOR ENGINEERS WITH: * Expert ...

Etched

Performance Modeling Engineer

Cupertino, CA · On-site

Simulate performance of existing and upcoming state-of-the-art (SOTA) Transformer models on our ASIC architecture vs other alternatives (GPUs, TPUs etc) WE'RE LOOKING FOR ENGINEERS WITH: * Expert ...

Figure

Helix AI Engineer, Training Performance

San Jose, CA · On-site

$200K - $400K/yr

Our Helix team is looking for an experienced AI Training Performance Engineer to take our model training to the next level. This role is focused on improving distributed training frameworks for large ...

Cerebras

Senior Performance Engineer, Inference

Sunnyvale, CA · On-site

$122K - $167K/yr

They are seeking a Senior Performance Engineer to focus on performance benchmarking and competitive pricing intelligence for their inference products. Responsibilities : • Design standardized ...

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How much do performance engineer jobs pay per hour?

As of Aug 21, 2026, the average hourly pay for performance engineer in Milpitas, CA is $70.04, according to ZipRecruiter salary data. Most workers in this role earn between $57.40 and $79.28 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.
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Performance Engineer jobs near you
Infographic showing various Performance Engineer job openings in Milpitas, CA as of August 2026, with employment types broken down into 1% As Needed, 85% Full Time, 12% Part Time, and 2% Contract. Highlights an 82% Physical, 2% Hybrid, and 16% Remote job distribution, with an average salary of $145,693 per year, or $70 per hour.

Performance Library Engineer

Efficient Computer

San Jose, CA • On-site

$130K - $230K/yr

Full-time

Retirement

Re-posted 21 days ago

Job description

Efficient is developing the world's most energy-efficient general-purpose computer processor. Efficient's patented technology uses 100x less energy than state of the art commercially available ultra-low-power processors and is programmable using standard high-level programming languages and AI/ML frameworks. This level of efficiency makes perpetual, pervasive intelligence possible: run AI/ML continuously on a AA battery for 5-10 years. Our platform's unprecedented level of efficiency enables IoT devices to intelligently capture and curate first-party data to drive the next major computing revolution
About the Role
We are seeking Performance Library Engineers to join our growing team. Efficient's Performance Library Engineers create and optimize libraries and frameworks that are used by customers of the world's most energy-efficient programmable processor (the "Fabric"). In this role, you will take ownership of complex, performance-critical, library development while working closely with Efficient's compiler and embedded teams providing direct feedback on compiler enhancements and performance related tools. In other words, you will push the performance limit of compute on our platform.
This position is a unique opportunity to work on cutting-edge hardware/software co-design, while making an immediate impact on building the next generation of performance libraries and applications used by our customers.
Required Qualifications & Experience
  • Hands-on software development experience working closely with hardware, including exposure to at least two RISC, DSP or GPU platforms.
  • A passion for analyzing and maximizing software performance on an unique dataflow hardware architecture.
  • Experience with framework and library design, particularly within resource constrained and realtime environments.
  • Experience with CUDA, HIP and/or other parallel programming models.
  • A collaborative spirit, with the ability to work with and influence multiple engineering teams.
  • Demonstrated ability to write, debug, and maintain low-level, C/C++, systems-level code as well as design clean interfaces and modular code.
  • Actively uses AI tools to generate, optimize, and debug code.
  • Background in performance profiling, benchmark design, or comparative hardware analysis.
  • Excellent written, verbal, analytical and technical communication skills, with the ability to clearly document complex systems, and lead discussions across teams.
  • Minimum Bachelor's degree in Computer Science, Computer Engineering, Electrical Engineering, or a related technical field. 5+ years of experience.
Desired Qualifications & Experience
  • Some exposure to low-level programming interfaces, e.g. PTX, LLVM IR and/or MLIR.
  • Some domain expertise in two or more of the following areas: Linear Algebra, ML, Image Processing, Signal Processing, Audio Processing, SDR, realtime programming, or Robotics.

We offer a competitive salary for this role, generally ranging from $130,000 to $230,000, along with meaningful equity and comprehensive benefits. The final compensation package will be based on your experience and location, with some flexibility to ensure we align with the right candidate.
Why Join Efficient?
Efficient offers a competitive compensation and benefits package, including 401K match, company-paid benefits, equity program, paid parental leave, and flexibility. We are committed to personal and professional development and strive to grow together as people and as a company.

Apply