1

Senior Software Development Engineer In Test Jobs in Chester, PA

SDET

Newark, DE · On-site

$49 - $63.25/hr

Senior SDET (Software Development Engineer in Test) Location: McLean, VA Employment Type: Contract (W2) We are seeking a Senior SDET with 12+ years of experience in test automation, API testing, and ...

New

SDET

Newark, DE · On-site

SDET Newark Delaware (Hybrid role) look for nearby candidates, as 2nd round may require F2F Must have skill: SDET + Java coding + ETL + Selenium Interview Process • 1st Round - Technical Interview ...

Senior SDET Engineer

Philadelphia, PA · On-site

$89K - $161K/yr

We are looking for a Senior Software Development Engineer in Test (SDET) to help build and maintain the quality of our web applications. You will work closely with software engineers and product ...

Job Title: SDET - Java Coding Work Location: Wilmington, DE Duration: Long Term Mandatory Skills : Selenium, Automation, Java Coding exp is must, API Automation, Mainframe Testing, TOSCA * Design ...

Senior SDET Engineer

Philadelphia, PA · On-site

$89K - $161K/yr

At T-Mobile, we invest in YOU! Our Total Rewards Package ensures that employees get the same big ... and sustaining automated test processes and controls throughout software development and ...

Engineers partner closely with product, platform, and risk/compliance teams to modernize services ... How  You 'll  Contribute    Responsible for building scalable, secure platforms in support ...

Senior Software Engineer

Audubon, PA · On-site

$123K - $162K/yr

Demonstrates a passion for software development, software craftsmanship, and test-driven ... Represents the company in a professional manner and uphold the highest standards of ethical ...

Senior Software Engineer

Audubon, PA

$123K - $162K/yr

Demonstrates a passion for software development, software craftsmanship, and test-driven ... Represents the company in a professional manner and uphold the highest standards of ethical ...

Senior Software Engineer

Audubon, PA · On-site

$123K - $162K/yr

TDD (test driven development) Our Values: Our Life Moves Us philosophy is built on four values ... We are passionate in our role in improving the lives of patients by continuously developing better ...

Senior Software Engineer

Audubon, PA · On-site

$123K - $162K/yr

... development best practices, and the ability to thrive in a highly regulated medical device ... test-driven development and clean coding practices • Lead technical design discussions, design ...

next page

Showing results 1-20

Senior Software Development Engineer In Test information

See Chester, PA salary details

$21.7K

$121.1K

$157.7K

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

As of Aug 5, 2026, the average yearly pay for senior software development engineer in test in Chester, PA is $121,124.00, according to ZipRecruiter salary data. Most workers in this role earn between $106,600.00 and $138,400.00 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 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 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.
What cities near Chester, PA are hiring for Senior Software Development Engineer In Test jobs? Cities near Chester, PA with the most Senior Software Development Engineer In Test job openings:

$49 - $63.25/hr

Other

Posted yesterday

New


Job description

 

Job Title: Senior SDET (Software Development Engineer in Test)
Location: McLean, VA
Employment Type: Contract (W2)

Job Description:
We are seeking a Senior SDET with 12+ years of experience in test automation, API testing, and quality engineering. The ideal candidate will design and develop automation frameworks, ensure software quality, and work closely with development teams in an Agile environment.

Required Skills:

  • 12+ years of SDET/QA Automation experience
  • Strong Java or Python programming skills
  • Selenium WebDriver, TestNG/JUnit, Cucumber (BDD)
  • API testing using REST Assured, Postman, or Karate
  • CI/CD tools: Jenkins, Git, Maven/Gradle
  • SQL and database testing
  • Agile/Scrum, JIRA, and Confluence
  • Experience with Git, test automation frameworks, and defect tracking

Preferred Skills:

  • Cloud experience (AWS/Azure)
  • Performance testing using JMeter
  • Docker, Kubernetes
  • Experience with Playwright or Cypress
  • Banking or Financial Services domain

Responsibilities:

  • Design, develop, and maintain automated test frameworks
  • Create and execute UI, API, and database test cases
  • Integrate automation into CI/CD pipelines
  • Perform functional, regression, integration, and end-to-end testing
  • Identify, track, and resolve defects with development teams
  • Participate in Agile ceremonies and code reviews
  • Improve test coverage and overall software quality