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Freelance Performance Engineering Jobs (NOW HIRING)

Voice creation, sound design, and other audio engineering services for ElevenLabs' largest ... Deep intuition for voice characteristics, timbre, clarity, and performance nuance * Ability to ...

Voice creation, sound design, and other audio engineering services for ElevenLabs' largest ... Deep intuition for voice characteristics, timbre, clarity, and performance nuance * Ability to ...

Voice creation, sound design, and other audio engineering services for ElevenLabs' largest ... Deep intuition for voice characteristics, timbre, clarity, and performance nuance * Ability to ...

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Freelance Performance Engineering information

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$14

$47

$132

How much do freelance performance engineering jobs pay per hour?

As of Sep 11, 2026, the average hourly pay for freelance performance engineering in the United States is $47.71, according to ZipRecruiter salary data. Most workers in this role earn between $24.28 and $61.78 per hour, depending on experience, location, and employer.

What is the difference between Freelance Performance Engineering vs Freelance Software Testing?

AspectFreelance Performance EngineeringFreelance Software Testing
CredentialsKnowledge of performance tools, certifications like ISTQB Performance TestingCertifications like ISTQB, functional testing skills
Work EnvironmentFocus on system performance, load testing, and optimizationFocus on identifying bugs, functional validation, and quality assurance
Employer & IndustryTech companies, software firms, consulting agenciesSoftware development firms, QA agencies, in-house teams
Search & Comparison IntentPerformance optimization, load testing freelance rolesSoftware testing, QA freelance opportunities

Freelance Performance Engineering and Freelance Software Testing share overlapping skills but differ mainly in focus. Performance engineers specialize in system performance, load testing, and optimization, while software testers concentrate on bug detection and functional validation. Both roles are vital in software development, often working together to ensure high-quality, efficient applications.

More about Freelance Performance Engineering jobs

What cities are hiring for Freelance Performance Engineering jobs?

Cities with the most Freelance Performance Engineering job openings:

What are the most commonly searched types of Performance Engineering jobs?

The most popular types of Performance Engineering jobs are:

What states have the most Freelance Performance Engineering jobs?

States with the most job openings for Freelance Performance Engineering jobs include:

What are popular job titles related to Freelance Performance Engineering jobs?

For Freelance Performance Engineering jobs, the most frequently searched job titles are:

Infographic showing various Freelance Performance Engineering job openings in the United States as of September 2026, with employment types broken down into 1% Internship, 1% As Needed, 86% Full Time, 10% Part Time, and 2% Contract. Highlights an 85% Physical, 2% Hybrid, and 13% Remote job distribution, with an average salary of $99,230 per year, or $47.7 per hour.

Interview Engineer (United States)

Remote

Full-time

Re-posted 4 days ago


Job description

Come join Karat's Interview Engineer Community!

Karat is always seeking talented engineers to join our Community. If you are interested in being considered for a future Interview Engineer opportunity, please submit your application to this posting.

This is a contractor/freelancer opportunity, and work is compensated based on tasks performed. Currently, we are only accepting applications from candidates in the countries on our website, and require that resumes be submitted in English.
What Interview Engineers do:

Interview Engineers facilitate technical interviews with software developers around the world. As an Interview Engineer, you will create inclusive hiring processes by mitigating bias, improving hiring signals, and completing objective evaluations. These skills are critical to hiring and managing teams in startups and large enterprises. As a Karat Interview Engineer, you will:

  • Interview-Facilitate an interview through Karat's platform. Create an enjoyable candidate experience while you evaluate a candidate's fundamental coding skills and technical knowledge.
  • Evaluate-Provide input on the candidate's performance, coding style, communication skills, knowledge question answers, and coding approach.
  • Partner-Collaborate with Karat to test content, processes, and products.
The experience you will bring:
  • 3+ years of experience as a Software Developer or Engineer
  • Excellent English communication skills (written and oral) with a high level of professionalism and interpersonal skills
  • Reliable access to a working webcam, microphone, and a stable Internet connection
  • Experience conducting technical interviews is preferred (e.g., data structures, algorithms)

While we review your application, learn more about life as an Interview Engineer by watching this video!