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Senior Software Development Engineer In Test Jobs in Santa Monica, CA

Machina Labs

Software Engineer in Test (SET)

Chatsworth, CA · On-site

$140K - $165K/yr

Machina Labs is seeking a Software Engineer in Test (SET) to own quality, validation, and release execution across our software platform as we develop and deploy new features and services. This role ...

MDAEdge

Automation Tester

Los Angeles, CA · On-site

$49.50 - $65.50/hr

Required : • Expertise in Selenium, Cucumber, and Cypress • At least 8-10 Years experience in Automation Testing (SDET) • Design and review test plans, cases, and data for effective testing • ...

Semtech

Senior Test Development Engineer

Alhambra, CA · On-site

$117K - $165K/yr

The Individual in this role will be able to design and implement efficient and streamlined ... Work closely with the software development engineers to augment production test systems to support ...

Semtech

Senior Test Development Engineer

Alhambra, CA

$117K - $165K/yr

The Individual in this role will be able to design and implement efficient and streamlined ... Work closely with the software development engineers to augment production test systems to support ...

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All JobsSoftware Development Engineer In Test JobsSenior Software Development Engineer In Test JobsSenior Software Development Engineer In Test Jobs in Santa Monica, CA

Senior Software Development Engineer In Test information

See Santa Monica, CA salary details

$25.3K

$140.9K

$183.5K

How much do senior software development engineer in test jobs pay per year?

As of Jul 26, 2026, the average yearly pay for senior software development engineer in test in Santa Monica, CA is $140,943.00, according to ZipRecruiter salary data. Most workers in this role earn between $124,000.00 and $161,100.00 per year, depending on experience, location, and employer.

How does a Senior Software Development Engineer In Test typically collaborate with development and product teams to ensure software quality?

As a Senior Software Development Engineer In Test (SDET), you will work closely with both development and product teams throughout the software development lifecycle. This includes participating in design and requirements discussions to identify potential test cases early, contributing to test automation strategies, and providing feedback on testability and quality risks. SDETs often pair with developers to review code, co-create test plans, and triage bugs together, ensuring that testing is fully integrated into the CI/CD pipeline. Effective communication and cross-team collaboration are essential for proactively identifying issues and maintaining high software quality standards.

What engineers make $500,000?

Senior Software Development Engineers In Test (SDETs) with extensive experience, specialized skills in automation, and working at large tech companies or in high-cost-of-living regions can earn $500,000 or more annually. Compensation often includes base salary, bonuses, and stock options, especially for those in leadership roles or with rare expertise in testing automation, cloud platforms, or security tools.

Will QA or SDET get replaced by AI?

Senior Software Development Engineers in Test (SDETs) and QA professionals perform complex testing tasks that require critical thinking, creativity, and understanding of system architecture, which AI currently cannot fully replicate. While AI tools can automate repetitive testing and assist in identifying issues, human oversight and expertise remain essential for designing test strategies, interpreting results, and ensuring software quality in a fast-evolving environment.

What is the SDET engineer's salary?

The salary for a Senior Software Development Engineer in Test (SDET) typically ranges from $90,000 to $140,000 annually, depending on experience, location, and company size. SDETs with strong programming skills and experience with automation tools like Selenium or Jenkins tend to earn higher salaries.

Is SDET still in demand?

Senior Software Development Engineers in Test (SDETs) are in strong demand due to the increasing emphasis on quality assurance and automation in software development. SDETs with skills in programming, test automation tools, and CI/CD pipelines are particularly sought after across various industries, ensuring continuous testing and faster release cycles.

What is the difference between Senior Software Development Engineer In Test vs Software Development Engineer In Test?

AspectSenior Software Development Engineer In TestSoftware Development Engineer In Test
ExperienceTypically 5+ years in testing and developmentEntry to mid-level, 1-3 years experience
ResponsibilitiesDesigns complex test frameworks, mentors juniors, leads testing initiativesDevelops test cases, automates tests, executes testing tasks
Skills & CertificationsAdvanced coding, automation, testing tools, leadership skillsProgramming, automation, testing tools
Work EnvironmentCollaborates with cross-functional teams, often in Agile settingsWorks closely with developers, focuses on automation and manual testing

In summary, a Senior Software Development Engineer In Test has more experience, leadership responsibilities, and strategic testing roles compared to a Software Development Engineer In Test, who primarily focuses on developing and executing tests.

What are the key skills and qualifications needed to thrive as a Senior Software Development Engineer In Test, and why are they important?

To thrive as a Senior Software Development Engineer In Test, you need advanced programming skills, deep knowledge of software testing methodologies, and a bachelor's degree in computer science or a related field. Expertise with automation frameworks (such as Selenium, Cypress, or Appium), CI/CD tools, and scripting languages is typically required, along with relevant certifications like ISTQB. Strong analytical thinking, problem-solving, and effective communication are crucial soft skills for collaborating with cross-functional teams and driving quality initiatives. These capabilities ensure rigorous test coverage, faster release cycles, and high-quality software products.

What does a Senior Software Development Engineer in Test (SDET) do?

A Senior Software Development Engineer in Test (SDET) is responsible for designing, developing, and maintaining automated test frameworks and tools to ensure the quality and reliability of software products. They work closely with development and QA teams to identify test requirements, create robust test cases, and integrate automated tests into the CI/CD pipeline. In addition to coding and scripting, Senior SDETs mentor junior team members, analyze test results, and help troubleshoot complex issues to continuously improve software quality. Their expertise bridges the gap between development and testing, ensuring both speed and quality in software releases.
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Senior Software Development Engineer In Test jobs near you
Infographic showing various Senior Software Development Engineer In Test job openings in Santa Monica, CA as of July 2026, with employment types broken down into 1% As Needed, 77% Full Time, 20% Part Time, and 2% Contract. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution, with an average salary of $140,943 per year, or $67.8 per hour.
Software Engineer in Test (SET)

Software Engineer in Test (SET)

Machina Labs

Chatsworth, CA • On-site

Full-time

Posted 16 days ago

Job description

Job Summary:
Machina Labs is changing the landscape of manufacturing by building intelligent, software-defined factories. They are seeking a Software Engineer in Test (SET) to own quality, validation, and release execution across their software platform, ensuring new features and services are properly validated and deployed.
Responsibilities:
• Own and drive quality strategy for the software stack, including TypeScript, React, Next.js, Python, and Azure GCC High.
• Define, formalize, and maintain test plans, test suites, and release criteria for software systems.
• Execute smoke tests, regression tests, and system validation of release candidates.
• Serve as release authority, approving or blocking promotion from release candidate to official production release.
• Design, implement, and maintain automated testing and validation pipelines integrated with CI/CD.
• Run tests and experiments for new features to validate functionality, performance, and reliability.
• Support deployment of software releases to Azure, including monitoring and initial issue response.
• Collect and synthesize feedback from users to inform quality improvements and testing priorities.
• Triage and support software issues, performing initial investigation and escalating to engineering teams as needed.
• Partner with Robotics and Automation Engineers in Test when required, including deployments to production cells, user support, and large-scale release validation.
• Continuously improve testing tools, processes, and release workflows as the platform scales.
Qualifications:
Required:
• Bachelor’s degree in Engineering, Computer Science, or comparable practical experience.
• Experience testing software systems, including writing test scripts or test code.
• Hands-on experience with automated testing frameworks or tools.
• Ability to debug issues across software and automation interfaces.
• Strong problem-solving and communication skills.
Preferred:
• Experience testing industrial automation systems, robotics, or hardware-software integrated products.
• Familiarity with CI/CD pipelines, versioned deployments, and release validation.
• Experience supporting deployments and troubleshooting issues in production environments.
• Background working in small, fast-moving engineering teams where quality ownership is critical.
Company:
Machina Labs is a mechanical and industrial engineering and manufacturing company that automates metal forming and fabrication processes. Founded in 2019, the company is headquartered in Chatsworth, USA, with a team of 51-200 employees. The company is currently Growth Stage.

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