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Senior Software Development Engineer In Test Jobs in Philadelphia, PA

Tata Consultancy Service Limited

Senior SDET

Hamilton, NJ · On-site

$100K - $140K/yr

... years in SDET / Test Automation / Quality Engineering Demonstrated Principal-level influence across platforms, teams, and architecture decisions Deep hands-on experience designing and scaling ...

Datavault AI Inc.

Senior SDET Lead

Philadelphia, PA · On-site

We are seeking a highly technical QA Lead / Senior SDET Lead to architect and drive our automation‑first quality engineering strategy. This role is deeply hands‑on: you will design automation ...

Saransh Inc

SDET - Java Coding

Wilmington, DE · On-site

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 ...

RAKS Group LLC

Sr SDET (AI-Augmented)

Blue Bell, PA

$47.75 - $61.50/hr

About the Role We re looking for 2 highly skilled Sr SDETs who use AI as a core part of their ... years in SDET / Automation Engineering * Strong hands-on experience with Karate Framework

Tata Consultancy Service Limited

Junior SDET

Hamilton, NJ · On-site

$80K - $100K/yr

Must Have Technical/Functional Skills We are seeking a Junior SDET with strong fundamentals in ... of senior SDETs. - Roles & Responsibilities Automation & Quality Engineering • Design, develop ...

T-Mobile

SDET Engineer

Philadelphia, PA · On-site

$72K - $129.90K/yr

At T-Mobile, we invest in YOU! Our Total Rewards Package ensures that employees get the same big ... software development and sustainment lifecycles. The role is distinguished by leading test ...

T-Mobile

Senior Engineer, SDET

Philadelphia, PA · On-site

$89.40K - $161.30K/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 ...

CVS Health

Senior Software Development Engineer

Trenton, NJ · On-site

$122.80K - $162K/yr

... test cases, conducts code reviews, performs debugging, and troubleshoots issues to ensure the ... solutions. • Participates in agile or other development methodologies, attends meetings ...

New

Samprasoft

IT-Sr Qlty

Horsham, PA · On-site

Sr SDET/ QA Automation Engineer Horsham PA Need Onsite and Local Onsite after jan 2022 Responsibilities: * Participate in the web application technical design process with the Application Architects ...

New

ASCENSUS

Software Engineer

Philadelphia, PA

Senior Level (5-15 years experience) * SDET (3+ years experience) * Work at the cutting edge of enterprise AI, solving complex challenges and improving how intelligent systems perform at scale. In ...

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Senior Software Development Engineer In Test information

See Philadelphia, PA salary details

$22.7K

$126.7K

$165K

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

As of May 28, 2026, the average yearly pay for senior software development engineer in test in Philadelphia, PA is $126,702.00, according to ZipRecruiter salary data. Most workers in this role earn between $111,500.00 and $144,800.00 per year, depending on experience, location, and employer.

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.

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 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.

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 most commonly searched types of Software Development Engineer In Test jobs in Philadelphia, PA? The most popular types of Software Development Engineer In Test jobs in Philadelphia, PA are:
What are popular job titles related to Senior Software Development Engineer In Test jobs in Philadelphia, PA? For Senior Software Development Engineer In Test jobs in Philadelphia, PA, the most frequently searched job titles are:
What job categories do people searching Senior Software Development Engineer In Test jobs in Philadelphia, PA look for? The top searched job categories for Senior Software Development Engineer In Test jobs in Philadelphia, PA are:
What cities near Philadelphia, PA are hiring for Senior Software Development Engineer In Test jobs? Cities near Philadelphia, PA with the most Senior Software Development Engineer In Test job openings:
Senior Software Development Engineer In Test jobs near you
Infographic showing various Senior Software Development Engineer In Test job openings in Philadelphia, PA as of May 2026, with employment types broken down into 96% Full Time, 2% Part Time, and 2% Contract. Highlights an 88% Physical, 7% Hybrid, and 5% Remote job distribution, with an average salary of $126,702 per year, or $60.9 per hour.
Senior Software Development Engineer in Test (SDET)

Senior Software Development Engineer in Test (SDET)

NJM Insurance Group

Trenton, NJ • On-site

$109.20K - $126.92K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 17 days ago

Job description

The Senior Software Development Engineer in Test (SDET) is responsible for designing, developing, and maintaining automated testing frameworks/solutions that ensure the quality, reliability, and performance of NJM's business applications. The SDET will work closely with developers, quality engineers, and solution owners to embed quality throughout the software development lifecycle.
Essential Duties and Responsibilities:
  • Design, develop, and maintain automated test frameworks and test scripts for web, mobile, and API-based applications
  • Write robust, scalable, and reusable test code using industry-standard tools and programming languages
  • Collaborate with software engineers and quality engineers to define shift-left test approaches with automation embedded throughout the delivery cycle.
  • Participate in code reviews, providing feedback on testability, quality, and automation coverage
  • Execute and analyze automated, manual, regression, smoke, integration, and performance tests
  • Integrate automated tests into CI/CD pipelines to support continuous testing
  • Monitor test execution results and provide clear reporting on quality metrics
  • Contribute to test data management, environment setup, and test infrastructure improvements
  • Support users including training, mentoring and troubleshooting
  • Experience working in Agile development environments.
  • Strong written and verbal communication skills across technical and non-technical audiences

Required Qualifications:
  • 7+ years of experience in software delivery, including 5+ years in Quality Engineering, software development and building test automation tools and frameworks
  • Bachelor's degree in computer science or equivalent professional experience.
  • Strong foundation in Quality Engineering principles and advanced testing methodologies.
  • Hands-on experience with test automation tools (e.g., Selenium, Playwright, Cypress, TestNG, JUnit, NUnit)
  • Experience testing APIs using tools/frameworks such as Postman, RestAssured, or similar
  • Strong experience with software testing and test automation methodologies
  • Expertise in at least one programming language such as Java, .Net, Python, C#, or JavaScript
  • Experience with version control systems (e.g., Git)

Preferred Qualifications:
  • Experience with performance and load testing tools like NeoLoad and JMeter
  • Experience with cloud platforms
  • Experience with Docker, Kubernetes, or container-based testing
  • Experience using AI tools and technology to assist with automated tests.
  • Knowledge of BDD frameworks

Compensation: Salary is commensurate with experience and credentials.
Pay Range: $109,200-$126,922
Eligible full-time employees receive a competitive Total Rewards package, including but not limited to a 401(k) with employer match up to 8% and additional service-based contributions, Health, Dental, and Vision insurance, Life and Disability coverage, generous PTO, Paid Sick Leave, and paid parental leave in addition to state-mandated leave. Employees may also be eligible for discretionary bonuses.
Legal Disclaimer: NJM is proud to be an equal opportunity employer. We are committed to attracting, retaining and promoting a diverse and inclusive workforce that is fully representative of the diversity that exists in the communities in which we do business.

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