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Software Development Engineer In Testing Jobs in Lake Forest, CA

The Senior Software Development Engineer in Test is responsible for designing, developing, and maintaining automated testing solutions that improve software quality, reduce production risk, and ...

... SDET Location: Irvine, CA Duration: 12+ month contract Interview: 1 phone and 1 in person Need ... Talent and expertise in white box testing. Knowledge of test methodology and tools, software ...

Jiffy.com is seeking a Software Development Engineer with deep hands-on experience orchestrating AI ... Applicants must be legally authorized to work in the United States without employer sponsorship ...

Jiffy.com is seeking a Software Development Engineer with deep hands-on experience orchestrating AI ... Applicants must be legally authorized to work in the United States without employer sponsorship ...

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Software Development Engineer In Testing information

See Lake Forest, CA salary details

$67.4K

$156.5K

$218K

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

As of Jun 21, 2026, the average yearly pay for software development engineer in testing in Lake Forest, CA is $156,485.00, according to ZipRecruiter salary data. Most workers in this role earn between $127,300.00 and $183,500.00 per year, depending on experience, location, and employer.

What are Software Development Engineers in Testing (SDETs)?

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 (SDET), and why are they important?

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.

Will QA or SDET get replaced by AI?

Software Development Engineers in Testing (SDETs) and QA professionals perform complex testing tasks that require critical thinking, creativity, and understanding of business logic, 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. Therefore, SDET roles are likely to evolve with AI rather than be completely replaced.

What engineers make $500,000?

Software Development Engineers In Testing (SDETs) at senior levels or in high-cost-of-living areas can earn $500,000 or more annually, especially with bonuses, stock options, and other compensation. Achieving this typically requires extensive experience, advanced skills in automation and testing tools, and working at large tech companies or in leadership roles.

What does a software development engineer in test do?

A Software Development Engineer in Test (SDET) designs, develops, and maintains automated test frameworks and scripts to ensure software quality. They collaborate with development teams to identify testing requirements, write test cases, and use tools like Selenium or JUnit to execute tests, often possessing programming skills in languages such as Java or Python. SDETs focus on improving testing efficiency and reliability throughout the software development lifecycle.

How does a Software Development Engineer in Testing (SDET) 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.

Is SDET in high demand?

Software Development Engineers in Testing (SDETs) are in high demand due to the increasing emphasis on quality assurance and automation in software development. Companies seek SDETs skilled in programming, testing frameworks, and tools like Selenium and Jenkins to improve product reliability and speed up release cycles.

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.

What cities near Lake Forest, CA are hiring for Software Development Engineer In Testing jobs? Cities near Lake Forest, CA with the most Software Development Engineer In Testing job openings:
Infographic showing various Software Development Engineer In Testing job openings in Lake Forest, CA as of June 2026, with employment types broken down into 82% Full Time, 12% Part Time, 5% Contract, and 1% Nights. Highlights an 87% Physical, 5% Hybrid, and 8% Remote job distribution, with an average salary of $156,485 per year, or $75.2 per hour.
Sr. SDET (Selenium/Automation)

Sr. SDET (Selenium/Automation)

loanDepot

Irvine, CA • On-site

Full-time

Medical, Dental, Vision, PTO

Posted 27 days ago


loanDepot rating

7.8

Company rating: 7.8 out of 10

Based on 15 frontline employees who took The Breakroom Quiz


Job description

Position Summary:

The Senior Software Development Engineer in Test is responsible for designing, developing, and maintaining automated testing solutions that improve software quality, reduce production risk, and strengthen release confidence across enterprise applications.  This is a hands-on technical role focused on test automation, framework development, API and integration validation, data validation, CI/CD quality controls, and production-readiness testing. The successful candidate will work closely with Engineering, QA, DevOps, Product, and business stakeholders to ensure applications are testable, reliable, scalable, and aligned with business requirements.
 
The Sr. SDET requires strong ownership, technical depth, and a quality-first mindset. The Senior SDET is expected to proactively identify quality risks, improve automation coverage, troubleshoot complex failures, and help raise engineering quality standards across the team.

Responsibilities:

Test Automation & Framework Development
  • Design, develop, and maintain automated test frameworks for web, mobile, API, service-level, integration, and end-to-end testing.
  • Build reliable, reusable, scalable, and maintainable automated tests using modern engineering practices.
  • Develop automation strategies that improve test coverage, reduce manual testing dependency, and increase release confidence.
  • Create and maintain automated regression, smoke, functional, integration, and workflow validation suites.
  • Analyze automation failures, identify root causes, reduce test flakiness, and improve automation reliability.
  • Evaluate and recommend commercial and open-source testing tools, frameworks, and libraries based on project needs.
  • Use AI-assisted engineering tools where appropriate to accelerate test creation, framework development, defect analysis, and productivity.
API, Integration & Data Validation
  • Design and implement automated tests for APIs, services, databases, third-party integrations, and complex business workflows.
  • Validate application behavior beyond the user interface, including service responses, data transformations, event flows, and downstream system impacts.
  • Use SQL and other validation techniques to confirm data accuracy, consistency, and integrity across systems.
  • Create test data strategies to support automation, regression testing, integration testing, and production-like validation.
  • Partner with Engineering and Architecture teams to identify quality risks in system design, data flows, and integration patterns.
CI/CD & Release Quality
  • Integrate automated tests into CI/CD pipelines and ensure test results provide meaningful feedback for build, deployment, and release decisions.
  • Collaborate with DevOps and Engineering teams to define quality gates, pipeline validation, and environment promotion criteria.
  • Support release-level validation by ensuring automated tests reflect actual release scope, dependencies, integrations, and business workflows.
  • Participate in release readiness activities by providing clear test results, risk indicators, defect analysis, and quality recommendations.
  • Support planned production releases and critical off-hours deployments as needed, in alignment with team release schedules.
Troubleshooting & Production Validation
  • Investigate complex application, automation, data, integration, and environment issues.
  • Use logs, metrics, traces, monitoring tools, and application telemetry to troubleshoot failures and improve test coverage.
  • Partner with Engineering, DevOps, QA, and business teams to diagnose defects and validate fixes.
  • Contribute to root cause analysis and identify opportunities to prevent similar issues in future releases.
  • Validate application behavior under realistic conditions, including dependency failures, latency, service degradation, and recovery scenarios.
Collaboration, Coaching & Quality Ownership
  • Work with business and technical stakeholders to understand requirements and ensure functional and technical validation is built into the delivery process.
  • Review requirements, designs, user stories, acceptance criteria, and technical changes to identify testing needs and quality risks.
  • Coach and mentor QA engineers, SDETs, and development teams on test automation, testability, framework usage, and quality engineering practices.
  • Promote engineering practices that make applications more testable, observable, reliable, and maintainable.
  • Proactively identify automation gaps, process improvements, quality risks, and opportunities to improve delivery outcomes.
  • Maintain strong responsiveness and dependability when supporting team needs, stakeholder questions, release validation, and urgent quality issues.

Requirements:

  • Minimum seven (7)+ years of experience in software testing, test automation, software development, or quality engineering.
  • Strong hands-on experience designing and developing automated tests and test frameworks.
  • Strong programming or scripting experience in one or more languages such as C#, Java, JavaScript/TypeScript, Python, or similar.
  • Experience with modern automation tools and frameworks such as Selenium, Playwright, Cypress, Appium, NUnit, xUnit, JUnit, TestNG, SpecFlow, Cucumber, Postman/Newman, REST Assured, or similar.
  • Strong experience with API testing, service-level validation, integration testing, and end-to-end workflow validation.
  • Strong SQL and data validation experience.
  • Experience integrating automated tests into CI/CD pipelines using tools such as Azure DevOps, GitHub Actions, Jenkins, TeamCity, or similar.
  • Experience analyzing test failures, troubleshooting complex defects, and improving automation reliability.
  • Experience with test management, defect tracking, and collaboration tools such as JIRA, Azure DevOps, Confluence, or similar.
  • Strong understanding of software development lifecycle practices, agile delivery, release validation, and quality engineering principles.
  • Ability to work collaboratively in a team environment and communicate clearly with technical and non-technical stakeholders.
  • Strong sense of ownership, accountability, and commitment to delivering a reliable user experience.

Preferred Qualifications

  • Bachelor’s degree in Computer Science, Software Engineering, Computer Information Systems, or a related field preferred.
  • Experience in Mortgage, Financial Services, Lending, or another highly regulated industry preferred.
  • Experience with performance, resiliency, security, accessibility, or contract testing preferred.
  • Experience using observability tools, logs, metrics, traces, or production telemetry to troubleshoot issues and improve test coverage preferred.
  • Experience leveraging AI-assisted tools to improve test automation, test design, framework development, or defect analysis preferred.
  • Experience working with distributed systems, microservices, event-driven architectures, or complex enterprise integrations preferred.

Why work for #teamloanDepot:

  • Competitive compensation package based on experience, skillset and overall fit for #TeamloanDepot.
  • Inclusive, diverse, and collaborative culture where people from all backgrounds can thrive
  • Work with other passionate, purposeful, and customer-centric people
  • Extensive internal growth and professional development opportunities including tuition reimbursement
  • Comprehensive benefits package including Medical/Dental/Vision
  • Wellness program to support both mental and physical health
  • Generous paid time off for both exempt and non-exempt positions

About loanDepot:

loanDepot (NYSE: LDI) is a digital commerce company committed to serving its customers throughout the home ownership journey. Since its launch in 2010, loanDepot has revolutionized the mortgage industry with a digital-first approach that makes it easier, faster, and less stressful to purchase or refinance a home. Today, as the nation's second largest non-bank retail mortgage lender, loanDepot enables customers to achieve the American dream of homeownership through a broad suite of lending and real estate services that simplify one of life's most complex transactions. With headquarters in Southern California and offices nationwide, loanDepot is committed to serving the communities in which its team lives and works through a variety of local, regional, and national philanthropic efforts.
 
Base pay is one part of our total compensation package and is determined within a range. This provides the opportunity to progress as you grow and develop within a role. The base pay for this roles is between $112,000 and $154,000. Your base pay will depend on multiple individualized factors, including your job-related knowledge/skills, qualifications, experience, and market location. 
 
We are an equal opportunity employer and value diversity in our company. We do not discriminate based on race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.

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