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Software Development Engineer In Testing Jobs in Sunnyvale, CA

Info Way Solutions

SDET - Mobile Testing (iOS)

Fremont, CA · On-site

$56.75 - $78.25/hr

Info Way Solutions is seeking a Software Development Engineer in Test (SDET) specializing in Mobile Testing for iOS applications. The role involves ensuring the quality and performance of mobile ...

Theory Ventures

Senior SDET

San Francisco, CA · On-site

$140 - $190/hr

Experience exploring AI-assisted testing or intelligent test automation approaches is considered a ... SDET, or test automation engineering roles * Strong Java and/or Python skills and experience ...

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All JobsSoftware Development Engineer In Testing JobsSoftware Development Engineer In Testing Jobs in Sunnyvale, CA

Software Development Engineer In Testing information

See Sunnyvale, CA salary details

$74.5K

$173.1K

$241.2K

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

As of Aug 31, 2026, the average yearly pay for software development engineer in testing in Sunnyvale, CA is $173,141.00, according to ZipRecruiter salary data. Most workers in this role earn between $140,800.00 and $203,000.00 per year, depending on experience, location, and employer.

What is a software development engineer in testing?

Software Development Engineers in Testing (SDETs) are professionals who specialize in both software development and testing. They design, develop, and maintain automated test frameworks and tools to ensure the quality and functionality of software applications. SDETs work closely with developers to create robust test cases, identify bugs, and improve product reliability. Their role bridges the gap between traditional software testers and developers, requiring strong programming skills as well as a deep understanding of testing methodologies.

What are the key skills and qualifications needed to thrive as a software development engineer in testing?

To thrive as a Software Development Engineer In Testing, you need strong programming skills, a solid understanding of software testing principles, and typically a degree in computer science or a related field. Familiarity with automation tools such as Selenium, JUnit, or TestNG, as well as version control systems like Git, is essential, and certifications in test automation can be advantageous. Analytical thinking, attention to detail, and effective communication are standout soft skills for identifying issues and collaborating with development teams. These skills ensure high-quality, reliable software products through efficient test automation and seamless integration within development workflows.

How does a software development engineer in testing typically collaborate with developers and QA teams during a product release cycle?

SDETs play a key role in bridging the gap between development and quality assurance by working closely with both teams throughout the product release cycle. They participate in code reviews, contribute to designing robust test automation frameworks, and often pair with developers to ensure testability of new features. During sprints, SDETs write, maintain, and execute automated test suites, provide early feedback on potential issues, and help triage bugs. This close collaboration ensures faster feedback loops, higher code quality, and smoother product releases.

What is the difference between Software Development Engineer In Testing vs Software Development Engineer In Testing?

AspectSoftware Development Engineer In Testing
Primary FocusDesigning and developing automated tests, ensuring software quality through testing automation and scripting
Skills RequiredProgramming, test automation, scripting, understanding of testing frameworks
Work EnvironmentCollaborates closely with developers, involved in continuous integration and deployment pipelines
CertificationsOften holds certifications in testing tools or programming languages

In summary, a Software Development Engineer In Testing primarily focuses on creating automated tests and scripting to ensure software quality, working closely with development teams. They possess strong programming skills and are integral to continuous testing processes.

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For Software Development Engineer In Testing jobs in Sunnyvale, CA, the most frequently searched job titles are:

What job categories do people searching Software Development Engineer In Testing jobs in Sunnyvale, CA look for?

The top searched job categories for Software Development Engineer In Testing jobs in Sunnyvale, CA are:

What cities near Sunnyvale, CA are hiring for Software Development Engineer In Testing jobs?

Cities near Sunnyvale, CA with the most Software Development Engineer In Testing job openings:

Software Development Engineer In Testing jobs near you
Infographic showing various Software Development Engineer In Testing job openings in Sunnyvale, CA as of August 2026, with employment types broken down into 1% As Needed, 75% Full Time, 22% Part Time, and 2% Contract. Highlights an 91% Physical, 3% Hybrid, and 6% Remote job distribution, with an average salary of $173,141 per year, or $83.2 per hour.

Junior SDET (Java + Selenium)

Fremont, CA • On-site

NMK Global Inc.
Recruiting and Staffing Services • 11 - 50 employees
Learn more about NMK Global Inc.external

Other

Posted 25 days ago

Job description

Job Title: Junior SDET (Java + Selenium)
Location: USA (Remote / Hybrid / Onsite)
Experience Required: 2-4 Years
Job Description
We are looking for a Software Development Engineer in Test
(SDET) with experience in Java and Selenium Automation Testing. The ideal
candidate should have a good understanding of Core Java and software testing
concepts.
Required Skills
  • 4+ years of experience in QA Automation.
  • Strong knowledge of Core Java.
  • Knowledge of Classes, Objects, Interfaces, Collections, and Exception Handling.
  • Hands-on experience with Selenium WebDriver.
  • Basic knowledge of Manual Testing, SDLC, and STLC.
  • Basic SQL knowledge.
  • Good communication and problem-solving skills.
Responsibilities
  • Develop and execute automation test scripts.
  • Perform functional and regression testing.
  • Report and track defects.
  • Work closely with the development team to ensure software quality.
  • Participate in testing activities throughout the software development lifecycle.

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