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Senior Software Development Engineer In Test Jobs in Fairfax, VA

Sr SDET

Rockville, MD · On-site

$112K - $146K/yr

Qualifications Experience Requirements * 5+ years of cumulative experience in software development and/or test automation development. * 5+ years of experience with programming in Java (preferred ...

Sr SDET

Rockville, MD

$112K - $146K/yr

Qualifications Experience Requirements * 5+ years of cumulative experience in software development and/or test automation development. * 5+ years of experience with programming in Java (preferred ...

Job Title: SDET (JAVA) Location: Mclean,VA Duration: 12+ Months Visa: USC, GC, H1B and EAD Contract Type: W2 Key Skills: * Experience in design and building test framework * Strong programming skills ...

SDET 4

Rockville, MD · On-site

$51 - $65.75/hr

The main function of a Software Development Engineer in Test (SDET) is to develop and execute software test plans in order to identify software problems and their causes. Job Responsibilities:

SDET

Reston, VA · On-site

$52 - $67/hr

SDET Reston, VA (3 days a week onsite) Interview Process: 1 in-person panel (no videos) *Prior Mortgage Industry experience if highly desired* Key Responsibilities: Lead and execute end-to-end ...

SDET 3

Rockville, MD

$51 - $65.75/hr

The main function of a Software Development Engineer in Test (SDET) is to develop and execute software test plans in order to identify software problems and their causes. Job Responsibilities:

SDET consultant

Mclean, VA · On-site

$50.75 - $65.25/hr

SDET Work Mode : Day 1 - Onsite (Complete Onsite Position) Location : McLean, Virginia (Only Local to Virginia or nearby Candidates) Passport No Mandatory - • 6+ years of proven experience and well ...

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Showing results 1-20

Senior Software Development Engineer In Test information

See Fairfax, VA salary details

$23.2K

$129.4K

$168.5K

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

As of Jul 21, 2026, the average yearly pay for senior software development engineer in test in Fairfax, VA is $129,393.00, according to ZipRecruiter salary data. Most workers in this role earn between $113,900.00 and $147,900.00 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 Fairfax, VA? The most popular types of Software Development Engineer In Test jobs in Fairfax, VA are:
What are popular job titles related to Senior Software Development Engineer In Test jobs in Fairfax, VA? For Senior Software Development Engineer In Test jobs in Fairfax, VA, the most frequently searched job titles are:
What job categories do people searching Senior Software Development Engineer In Test jobs in Fairfax, VA look for? The top searched job categories for Senior Software Development Engineer In Test jobs in Fairfax, VA are:
What cities near Fairfax, VA are hiring for Senior Software Development Engineer In Test jobs? Cities near Fairfax, VA with the most Senior Software Development Engineer In Test job openings:
Software Development Engineer in Test (SDET)

Software Development Engineer in Test (SDET)

SWIFT

Manassas, VA • On-site

$152K/yr

Full-time

Medical, Dental, Vision, Life, Retirement

Re-posted 4 days ago


Job description

ABOUT US
We're the world's leading provider of secure financial messaging services, headquartered in Belgium. We are the way the world moves value - across borders, through cities and overseas. No other organisation can address the scale, precision, pace and trust that this demands, and we're proud to support the global economy.
We're unique too. We were established to find a better way for the global financial community to move value - a reliable, safe and secure approach that the community can trust, completely. We're always striving to be better and are constantly evolving in an ever-changing landscape, without undermining that trust. Five decades on, our vibrant community reflects the complexity and diversity of the financial ecosystem. We innovate diligently, test exhaustively, then implement fast. In a connected and exciting era, our mission has never been more relevant. Swift now has a presence in 200+ countries and legal territories to serve a community of more than 12,000 banks and financial institutions.
SWIFT VA is seeking a motivated Software Development Engineer in Test (SDET) to join our dynamic team. In this role, you will play a crucial part in ensuring the quality and reliability of our software products through the development and execution of automated tests. You will work closely with development and QA teams to identify, design, and implement robust testing solutions.
Job Responsibilities:**
* Design, develop, and maintain automated test scripts and frameworks using various programming languages and testing tools.
* Execute automated and manual test cases to identify software defects and ensure product quality.
* Collaborate with software developers to understand product features and technical specifications.
* Report, track, and verify software defects using bug tracking systems.
* Participate in code reviews of test automation scripts and provide constructive feedback.
* Contribute to the continuous improvement of the testing process and methodologies.
* Assist in the development and maintenance of test plans and strategies.
* Learn and adapt to new technologies and testing tools as needed.
Job Qualifications:**
* Bachelor's degree in Computer Science, Software Engineering, or a related field
* Strong understanding of software development lifecycle (SDLC) and software testing methodologies.
* Proficiency in at least one programming language (e.g., Python, Java, C#, JavaScript).
* Experience with test automation frameworks (e.g., Selenium, Playwright, Cypress, JUnit, TestNG) is a plus.
* Familiarity with version control systems (e.g., Git).
* Basic understanding of databases and SQL.
* Excellent problem-solving skills and attention to detail.
* Strong written and verbal communication skills.
* Ability to work independently and collaboratively in a fast-paced environment.
The estimated salary range for a new hire into this position in Virginia is $82,361 USD Annual to $152,955 Annual USD. Salary may vary depending on job-related factors which may include knowledge, skills, experience, and location. Our compensation packages include a competitive base salary and bonus opportunity for all employees contingent on personal and company performance. Our generous benefits program includes medical, dental, vision and life insurance with no premium costs for our employees and their families, and retirement plan plus matching 401k
What we offer
We give you the freedom to be yourself. We are creating an environment of unique individuals - like you - with different perspectives on the financial industry and the world. A diverse and inclusive environment in which everyone's voice counts and where you can reach your full potential.
We are committed to an inclusive and accessible recruitment process. If you require a reasonable accommodation related to accessibility during your application or interview, please contact accessibility-Sysgroup@swift.com or indicate this in your application.
Please note that this mailbox is not monitored for general recruitment enquiries and should only be used for accessibility or accommodation-related requests (for example related to vision, hearing or neurodiversity).
All requests are confidential and will not affect your candidacy.
Don't meet every single requirement? At Swift, we are dedicated to building a workplace where people can bring their full selves and ideas to the team, so if you are excited about this role, we encourage you to apply even if you do not meet every single qualification.