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Freelance Software Developer In Test Jobs in South Gate, CA

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Software Engineer (Java) in Test

Burbank, CA · On-site

Software Engineer (Java) in Test Team : Global Quality Engineering Location : New York City, Los ... developer productivity, test authoring velocity, code reviews, and defect triage. Apply prompt ...

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Freelance Software Developer In Test information

See South Gate, CA salary details

$11

$55

$75

How much do freelance software developer in test jobs pay per hour?

As of Jul 29, 2026, the average hourly pay for freelance software developer in test in South Gate, CA is $55.61, according to ZipRecruiter salary data. Most workers in this role earn between $48.80 and $62.98 per hour, depending on experience, location, and employer.

What is the difference between Freelance Software Developer In Test vs Freelance QA Tester?

AspectFreelance Software Developer In TestFreelance QA Tester
CredentialsProgramming skills, testing frameworks, sometimes certifications like ISTQBTesting certifications, manual and automated testing skills
Work EnvironmentDevelops and maintains automated tests, collaborates with developersPerforms manual and automated testing, reports bugs
Industry UsageUsed in software development projects focusing on test automationUsed across various industries for quality assurance

While both roles focus on software quality, Freelance Software Developer In Test primarily develops automated testing solutions and integrates testing into development, whereas Freelance QA Tester conducts manual and automated tests to identify bugs. The Developer In Test often requires programming skills, while QA Testers may focus more on testing methodologies. Both are essential for ensuring software quality in freelance projects.

Freelance Software Developer In Test jobs near you
Software Development Engineer in Test

Software Development Engineer in Test

K2 Space Corporation

Los Angeles, CA • On-site

$54 - $69.50/hr

Full-time

Posted 24 days ago

Job description

Job Summary:
K2 Space Corporation is building the largest and highest-power satellites ever flown, seeking a Software Development Engineer in Test (SDET) to enhance their flight software team. The role involves designing and implementing test automation frameworks, collaborating with engineers to ensure software is ready for space deployment.
Responsibilities:
• Design, develop, and own software test frameworks targeting K2’s flight software stack, including subsystems for propulsion, GNC, power, thermal, and communications
• Build and maintain automation tooling that integrates seamlessly into CI/CD pipelines, enabling fast and reliable flight software deployment
• Develop hardware-in-the-loop (HIL) and software-in-the-loop (SIL) test infrastructure in close collaboration with flight software engineers
• Create tooling for test execution, data collection, and anomaly triage that gives engineers clear, actionable signal
• Reduce flaky and nondeterministic tests; continuously improve coverage, pipeline reliability, and test execution speed
• Collaborate with flight software, avionics, and systems engineers to define test requirements, write test plans, and execute verification campaigns
• Analyze test results to identify and characterize failures, and drive resolution across the team
• Maintain documentation for test infrastructure, procedures, and hardware configurations
Qualifications:
Required:
• Bachelor’s degree in Computer Science, Computer Engineering, Electrical Engineering, Aerospace Engineering, or a related STEM field, or equivalent professional experience
• Experience building and maintaining test automation frameworks, not just executing tests written by others
• Experience with CI/CD systems (e.g., GitLab Pipelines, GitHub Actions, Jenkins) and version control (Git)
Preferred:
• Experience with hardware-in-the-loop (HIL) testbeds or embedded systems testing
• Experience testing avionics, spacecraft, robotics, autonomous vehicles, or other safety-critical hardware
• Rust programming experience, including embedded or no_std environments
• Knowledge of real-time operating systems (RTOS) or bare-metal embedded firmware
• Familiarity with aerospace communication protocols (RS-422/485, Ethernet, UART, SpaceWire, Ethernet)
• Experience with electronics test equipment: oscilloscopes, logic analyzers, power supplies
• Containerization experience (Docker, Kubernetes) for test environment management
• Experience with Embedded Linux
• Familiarity with shell scripting
Company:
Making previously impossible missions possible Founded in 2022, the company is headquartered in Torrance, USA, with a team of 51-200 employees. The company is currently Growth Stage.
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About K2 Space

Sourced by ZipRecruiter

Industry

Guided missile and space vehicle manufacturing

Company size

11 - 50 Employees

Headquarters location

Los Angeles, CA, US

Year founded

2022

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