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Senior Software Development Engineer In Test Jobs in Philadelphia, PA

Senior Software Engineer

Oaks, PA · Hybrid

$125K - $165K/yr

The Senior Software Engineer works in application development in a financial services organization ... Test Driven Development; CI/CD and DevOps concepts, tools like TeamCity, Octopus, Ansible ...

Senior Software Engineer

King Of Prussia, PA · On-site

$119K - $157K/yr

... a Senior Software Engineer! Lockheed Martin is a global leader in aerospace, defense, and ... development, integration and test of systems. We have expertise in Software Defined Radios (SDR ...

Senior Software Engineer

Moorestown, NJ

$120K - $159K/yr

... processing software development in support of our radar signal processing product lines ... tests, and support integration and sustainment activities. This position requires a U.S. DoD ...

Sr. Test Engineer-Automation

Philadelphia, PA

$46.50 - $61.25/hr

We are searching for a dynamic and experienced Senior Software Engineer - Test Infrastructure to ... Proficiency in software development (Python, Bash), including data analysis tools like Numpy and ...

Sr. Test Engineer-Automation

Philadelphia, PA · On-site

$46.50 - $61.25/hr

We are searching for a dynamic and experienced Senior Software Engineer - Test Infrastructure to ... Proficiency in software development (Python, Bash), including data analysis tools like Numpy and ...

Senior Software Developer

Ambler, PA · On-site

$52.50 - $69.25/hr

Builds and tests code to validate functionality against requirements and to ensure full unit test ... Assists in the development and presentation of manuals, user guides, and other materials relating ...

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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 Jul 13, 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.

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.
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 Engineer

Senior Software Engineer

SEI Investments

Oaks, PA • Hybrid

$125K - $165K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 13 days ago


SEI Investments rating

9.3

Company rating: 9.3 out of 10

Based on 8 frontline employees who took The Breakroom Quiz


Job description

Senior Software Engineer

Employer: SEI Investments Company

Position: Senior Software Engineer

Location: 1 Freedom Valley Drive, Oaks, PA 19456

Job Duties: The Senior Software Engineer works in application development in a financial services organization delivering systems and projects from inception through implementation, as well as utilizes experience in the following: multi-tiered applications that are designed, developed and delivered as cloud-based solutions; Microsoft Stack including .Net Core, .Net Framework, MS SQL Server; Cloud Native applications; Microservices applications using technologies such as REST, JSON, .Net Core; ETL Tools like SSIS and Informatica; Reporting tools like SSRS, Tableau, Crystal Reports; Unstructured data and persistence model such as MongoDB, Snowflake, Redis; Data streaming technologies like Kafka; DevOps toolsets for versioning, containers, such as Git, Docker, Kubernetes, Jenkins; Test Driven Development; CI/CD and DevOps concepts, tools like TeamCity, Octopus, Ansible, Terraform; Library management tools like Artifactory; and Angular or React.

The Senior Software Engineer is responsible for the following: develop code based on reading and understanding business and functional requirements following the Agile process; produce high-quality code to meet all project deadlines and ensuring the functionality matches the requirements; analyze and resolve issues found during the testing or pre-production phases of the software delivery lifecycle; coordinating changes with project team leaders and cross-work team members; provide technical support to project team members and responding to inquiries regarding errors or questions about programs; interact with architects, technical leads, team members and project managers as required to address technical and schedule issues; and suggest and implement process improvements for estimating, development and testing processes.

Requirements: Bachelor's degree, or foreign equivalent, in Computer Science, Information Technology, Electrical/Electronic Engineering or another related field plus five (5) years post-baccalaureate experience working in application development in a financial services organization delivering systems and projects from inception through implementation. Must also possess five (5) years of experience in each of the following: multi-tiered applications that are designed, developed and delivered as cloud-based solutions; Microsoft Stack including .Net Core, .Net Framework, MS SQL Server; Cloud Native applications; Microservices applications using technologies such as REST, JSON, .Net Core; ETL Tools like SSIS and Informatica; Reporting tools like SSRS, Tableau, Crystal Reports; Unstructured data and persistence model such as MongoDB, Snowflake, Redis; Data streaming technologies like Kafka; DevOps toolsets for versioning, containers, such as Git, Docker, Kubernetes, Jenkins; Test Driven Development; CI/CD and DevOps concepts, tools like TeamCity, Octopus, Ansible, Terraform; Library management tools like Artifactory; and Angular or React.

Please Mail Resumes to: Denise Mapes, Workforce Development, SEI Investments Company at 1 Freedom Valley Drive Oaks, PA 19456. Reference #SSE0626ST.

This position is eligible for our employee referral program.

SEI's competitive advantage:

To help you stay energized, engaged and inspired, we offer a wide range of benefits including comprehensive care for your physical and mental well-being, a strong retirement plan, tuition reimbursement, a hybrid working environment for most roles, support for working parents and flexible Paid Time Off (PTO) so you can relax, recharge and be there for the people you care about.

Benefits include healthcare (medical, dental, vision, prescription, wellness, EAP, FSA), life and disability insurance (premiums paid for base coverage), 401(k) match, education assistance, commuter benefits, up to 11 paid holidays/year, 21 days PTO/year pro-rated for new hires which increases over time, paid parental leave, back-up childcare arrangements, paid volunteer days, a discounted stock purchase plan, investment options, access to thriving employee networks and more.

We are a technology and asset management company delivering on our promise of building brave futures (SM)-for our clients, our communities, and ourselves. Come build your brave future at SEI.


SEI is an Equal Opportunity Employer and so much more...


After over 50 years in business, SEI remains a leading global provider of investment processing, investment management, and investment operations solutions. Reflecting our experience within financial services and financial technology our offices encompass an open floor plan and numerous art installations designed to encourage innovation and creativity in our workforce. We recognize that our people are our most valuable asset and that a healthy, happy, and motivated workforce is key to our continued growth. At SEI, we're (literally) invested in your success. We offer our employees paid parental leave, back-up childcare arrangements, paid volunteer days, education assistance and access to thriving employee networks.


SEI is an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability status, protected veteran status, or any other characteristic protected by law.

AI Acceptable Use in the application and interview process:

SEI acknowledges the growing integration of artificial intelligence (AI) tools into individuals' personal and professional lives. If you intend to incorporate the use of any AI tools at any stage of the application and/or interview process, please ensure you have reviewed and adhere to our AI use guidelines.


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