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Performance Engineer Intern Jobs in California (NOW HIRING)

M Wave Design Corporation

Engineer intern

Simi Valley, CA · On-site

$17.25 - $22.50/hr

... performance and innovation in a growing dynamic company. Job Summary / Objectives The Intern ... Perform functions within the production and engineering labs on precise hardware. * Completing ...

RSS, LLC.

Project Engineer Intern

Sacramento, CA

$17.40 - $23.70/hr

... company performance Career Advancement: At Rex Moore, we provide amazing job opportunities for ... Project Engineer Intern typically work in an office environment, although they may occasionally ...

Rex Moore Group, Inc

Project Engineer Intern

Sacramento, CA · On-site

$17.40 - $23.70/hr

... company performance Career Advancement: At Rex Moore, we provide amazing job opportunities for ... Project Engineer Intern typically work in an office environment, although they may occasionally ...

KASTLE

Software Engineer - Intern

San Francisco, CA

... performance matter and redefine access to credit across the world, apply below. About the Role We ... a Software Engineer Intern who is excited to build products that are used by millions of users ...

Exa

Software Engineer, Intern

San Francisco, CA · On-site

$100K - $150K/yr

As an engineering intern, you'd play a critical role in lots of our projects. We're pretty flexible ... You have experience with some high performance language (C++, Rust, etc.) * You often code ...

New

Voxelcloud

Data Engineer Intern

Los Angeles, CA

$123K - $148K/yr

Reporting to Data Team Lead, the Data Engineer intern will participate in the acquisition and ... DFS); experience with high-performance and scalable distributed system. * Prefer experience with ...

Voxelcloud

Data Engineer Intern

Los Angeles, CA · On-site

$123K - $148K/yr

Reporting to Data Team Lead, the Data Engineer intern will participate in the acquisition and ... DFS); experience with high-performance and scalable distributed system. * Prefer experience with ...

Gumloop

Design Engineer Intern

San Francisco, CA · On-site

Role Overview We're looking for a Design Engineering Intern to help shape, design, and build high ... Bring care and craft to the details: accessibility, performance, reliability, and edge cases. What ...

GKN Aerospace Careers

ME Intern

El Cajon, CA · On-site

$16.75 - $21.75/hr

Job Summary GKN Aerospace is a global engineering business. Every time you travel by air almost ... performance and process efficiency. * Develop clear and structured work instructions, which will ...

Etched

Performance Tools Intern

San Jose, CA · On-site

We are seeking a highly skilled engineer to design and develop a sophisticated performance analysis tool, tailored specifically for our hardware. You will be instrumental in creating the essential ...

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Performance Engineer Intern information

What is a performance engineer intern?

Performance Engineer Interns are students or recent graduates who assist in analyzing, testing, and optimizing the performance of software applications, systems, or hardware. They work under the supervision of experienced performance engineers to identify bottlenecks, monitor system metrics, and suggest improvements. Their responsibilities often include running performance tests, analyzing results, and collaborating with development teams to ensure that systems meet specific performance criteria.

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

AspectPerformance Engineer InternSoftware Test Intern
Required CredentialsTypically pursuing or holding a degree in Computer Science, Software Engineering, or related fieldsSimilar educational background, often in Computer Science or Software Engineering
Work EnvironmentFocuses on performance testing, optimization, and analyzing system metricsFocuses on manual and automated testing to identify bugs and ensure software quality
Industry UsageCommon in tech companies, especially those emphasizing system performance and scalabilityWidely used across software development companies for quality assurance

While both roles involve testing and quality assurance, a Performance Engineer Intern specializes in system performance, scalability, and optimization, whereas a Software Test Intern focuses on functional testing and bug identification. Understanding these differences helps candidates target their skills and career goals effectively.

What types of projects or tasks can a performance engineer intern expect to work on during their internship?

As a Performance Engineer Intern, you can expect to work on a variety of tasks such as analyzing system bottlenecks, creating and executing performance test plans, and helping optimize application speed. Interns often assist in setting up testing environments, monitoring system metrics, and collaborating with software developers to identify areas for improvement. You'll likely use tools like JMeter or LoadRunner and may participate in team meetings to discuss performance goals and share findings. This hands-on experience provides valuable exposure to both the technical and collaborative aspects of performance engineering.

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

To thrive as a Performance Engineer Intern, you need a solid understanding of computer science fundamentals, programming languages (such as Java, Python, or C++), and basic knowledge of performance testing concepts, often supported by relevant coursework or internships. Familiarity with performance testing tools like JMeter, LoadRunner, or Gatling, as well as version control systems such as Git, is typically required. Strong analytical skills, attention to detail, and effective communication help you identify bottlenecks and collaborate with development teams. These competencies are crucial for ensuring that software applications meet performance standards and deliver a seamless user experience.

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 Performance Engineer Intern jobs in California?

For Performance Engineer Intern jobs in California, the most frequently searched job titles are:

What job categories do people searching Performance Engineer Intern jobs in California look for?

The top searched job categories for Performance Engineer Intern jobs in California are:

What cities in California are hiring for Performance Engineer Intern jobs?

Cities in California with the most Performance Engineer Intern job openings:

Performance Engineer Intern jobs near you
Infographic showing various Performance Engineer Intern 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.

Software Engineer Intern

IQAir North America, Inc.

La Mirada, CA • On-site

$27 - $30/hr

Full-time

Medical, Dental, Vision, Retirement, PTO

Re-posted 4 days ago

Job description

Software Engineer Intern
For over 60 years, IQAir has been a leader in improving indoor air quality in residential, commercial and institutional markets. IQAir's vision is to assist people in living longer, healthier lives by providing products and services to help them breathe cleaner, healthier air. For our North American headquarters, located in La Mirada, California, we have an immediate opening for a Software Engineer Intern.
Summary
The Software Engineer Intern works hands-on in the full software development life cycle, giving you the opportunity to enhance your programming skills, understand system architecture, and collaborate on impactful projects. As an intern, you will actively participate in designing, coding, testing, and debugging software components, gaining exposure to practical challenges and real-world problem-solving. You will also collaborate with experienced engineers who will mentor you to strengthen your technical expertise and professional skills, and foundational site reliability engineering (SRE) practices such as monitoring system health and understanding production behavior.
Attributes
  • High-attention-to-detail with excellent follow through and organizational skills

  • Professional with excellent verbal and written communication skills

  • Problem-solving skills

  • Attention to elegant design, performance, user experience, scalability, clean and documented code is required

  • Good understanding of variations on web platforms

  • Ability to work quickly and effectively under pressure and to efficiently deal with multiple priorities simultaneously will be the key to success in this position

  • A positive attitude a must!

Responsibilities
  • Assist in the conceptualization, design, development, testing and maintenance of commercial web applications

  • Collaborate with senior developers on various software development projects

  • Apply user-centered design principles in software development

  • Participate in agile development processes and team meetings

  • Contribute to the improvement of existing software and the creation of new features

  • Researching, investigating and fixing a wide range of technical issues

  • Support basic SRE activities such as:

  • Monitoring application logs and dashboards for errors or anomalies

  • Reviewing system alerts and escalating issues when necessary

  • Assisting in tracking service performance, uptime, and reliability metrics

  • Helping maintain documentation for operational procedures and incident handling

Qualifications
  • Recent graduate of a bachelor's degree in computer science, a related field or equivalent experience

  • Experience with various programming languages

  • Proficient using Windows and Microsoft Office suite products

  • Able to pass a pre-employment background and drug screen

Other Requirements
May be required to attend and participate in professional development activities both in and outside the company to stay abreast of new developments and best practices.
What IQAir offers
At IQAir, base pay is one part of our total compensation package and is determined within a range. The base pay range for this position is $27 and $30 hourly. Your base pay will depend on your skills, qualifications and experience.
IQAir offers a number of additional discretionary benefits such as:
  • Work with a small, flexible international team

  • Extensive on the job training and professional development

  • Company with a strong value system

  • Work in a Clean Air Facility

  • 60-year history of excellence

  • A comprehensive benefits package that includes:

  • 100% subsidized medical, dental & vision for team member

  • 401K Plan with company match, 100% vested from day one

  • On-site gym and 24-Hour Fitness Gym Membership

  • Wellness Program

  • Alternative Transportation & Carpool Incentives

  • 14.5 paid Holidays per year

  • 12 Day of PTO in first year

  • A slide!

and much more!

Apply