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Senior Software Developer In Test Jobs in Ashburn, VA

SDET 4

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 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:

Senior Software Developer

Reston, VA · On-site +1

$57.50 - $76/hr

In this role, you'll be responsible for identifying and autonomously implementing ideas and ... Support end-to-end development, from system architecture and software design to integration, test ...

Senior Software Developer

Reston, VA · On-site +1

$57.50 - $76/hr

In this role, you'll be responsible for identifying and autonomously implementing ideas and ... Support end-to-end development, from system architecture and software design to integration, test ...

Senior Software Developer

Reston, VA · On-site

$57.50 - $76/hr

In this role, you'll be responsible for identifying and autonomously implementing ideas and ... Support end-to-end development, from system architecture and software design to integration, test ...

Senior Software Developer

Herndon, VA · On-site

$56 - $74/hr

Overview We are seeking a versatile Senior Software Developer with expertise in secure software ... What will you do? • Design, develop, test, and deploy secure Windows applications, services, and ...

Senior Software Developer

Reston, VA · On-site

$57.50 - $76/hr

In this role, you'll be responsible for identifying and autonomously implementing ideas and ... Support end-to-end development, from system architecture and software design to integration, test ...

Senior Software Developer

Reston, VA · On-site +1

$57.50 - $76/hr

In this role, you'll be responsible for identifying and autonomously implementing ideas and ... Support end-to-end development, from system architecture and software design to integration, test ...

Senior Software Developer

Reston, VA · On-site +1

$57.50 - $76/hr

In this role, you'll be responsible for identifying and autonomously implementing ideas and ... Support end-to-end development, from system architecture and software design to integration, test ...

Senior Software Developer

Bethesda, MD · On-site

$58.25 - $77/hr

Job Title Senior Software Developer Location Bethesda, MD 20800 US (Primary) Category Research ... To that end, we provide employees with a best-in-class benefits package that includes: * A ...

Senior Software Developer

Bethesda, MD · On-site

$58.25 - $77/hr

Job Title Senior Software Developer Location Bethesda, MD 20800 US (Primary) Category Research ... To that end, we provide employees with a best-in-class benefits package that includes: * A ...

NAVA Software solutions is looking for a SDET Engineer Details: SDET Engineer Location : Merrifield, VA(Hybrid) - Weekly once onsite Duration: 12 Months Top 3 Required Skills: * Hands-on development ...

Senior Software Developer

Falls Church, VA

$58.25 - $76.75/hr

Senior Software Developer Location: BUMED HQ (DHHQ Facility), 7700 Arlington Blvd, Falls Church, VA ... Bachelor's degree in computer science, Information Technology, or other computing-related ...

Senior Software Developer

Falls Church, VA · On-site

$58.25 - $77/hr

Senior Software Developer Location: BUMED HQ (DHHQ Facility), 7700 Arlington Blvd, Falls Church, VA ... Bachelor's degree in computer science, Information Technology, or other computing-related ...

Senior Software Developer

Falls Church, VA · On-site

$58.25 - $77/hr

Senior Software Developer Location: BUMED HQ (DHHQ Facility), 7700 Arlington Blvd, Falls Church, VA ... Bachelor's degree in computer science, Information Technology, or other computing-related ...

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Senior Software Developer In Test information

See Ashburn, VA salary details

$15

$63

$89

How much do senior software developer in test jobs pay per hour?

As of Jul 17, 2026, the average hourly pay for senior software developer in test in Ashburn, VA is $63.13, according to ZipRecruiter salary data. Most workers in this role earn between $53.61 and $70.82 per hour, depending on experience, location, and employer.

What is the difference between Senior Software Developer In Test vs Software Development Engineer in Test?

AspectSenior Software Developer In TestSoftware Development Engineer in Test
CredentialsTypically requires a software engineering degree and testing certificationsSimilar credentials, often with certifications in testing tools or automation
Work EnvironmentWorks closely with development teams to design and implement automated testsFocuses on developing testing frameworks and automation tools within development teams
Industry UsageCommonly used in software companies emphasizing quality assuranceWidely used in tech firms with a focus on continuous integration and delivery
Search & Comparison IntentOften compared for seniority and scope of testing responsibilitiesCompared for automation skills and development focus

Both roles involve testing and automation, but Senior Software Developer In Test typically has more leadership responsibilities and strategic testing planning, while Software Development Engineer in Test focuses more on developing testing tools and automation frameworks within the development process.

What are some common challenges faced by Senior Software Developers in Test, and how can they be addressed?

Senior Software Developers in Test often encounter challenges such as balancing test automation coverage with tight deadlines, keeping up with evolving technologies, and ensuring effective communication between development and QA teams. Addressing these challenges involves prioritizing automation efforts based on risk and business impact, continually updating technical skills, and fostering a collaborative environment through regular cross-team meetings. Proactively sharing knowledge and advocating for best testing practices also help streamline workflows and maintain high-quality standards.

What is a Senior Software Developer In Test?

A Senior Software Developer In Test (SDET) is an experienced software professional who is responsible for designing, developing, and maintaining automated test frameworks and tools to ensure software quality. SDETs work closely with development and QA teams to create automated tests that validate application functionality, performance, and security. They possess strong programming skills, a deep understanding of software testing methodologies, and often contribute to both the development and testing aspects of a project. Senior SDETs also mentor junior team members and help shape best practices for software testing within their organization.

What are the key skills and qualifications needed to thrive as a Senior Software Developer In Test, and why are they important?

To thrive as a Senior Software Developer In Test, you need advanced programming skills, expertise in test automation, and a solid understanding of software development and QA methodologies, typically supported by a degree in computer science or a related field. Proficiency with test automation frameworks (such as Selenium, Cypress, or Appium), continuous integration systems (like Jenkins or GitHub Actions), and relevant certifications (e.g., ISTQB) is highly valuable. Attention to detail, problem-solving abilities, and effective communication are critical soft skills for collaborating with developers and ensuring high-quality releases. These skills and qualities are essential for identifying issues early, optimizing testing processes, and delivering reliable software in fast-paced development environments.
What are the most commonly searched types of Software Developer In Test jobs in Ashburn, VA? The most popular types of Software Developer In Test jobs in Ashburn, VA are:
What are popular job titles related to Senior Software Developer In Test jobs in Ashburn, VA? For Senior Software Developer In Test jobs in Ashburn, VA, the most frequently searched job titles are:
What cities near Ashburn, VA are hiring for Senior Software Developer In Test jobs? Cities near Ashburn, VA with the most Senior Software Developer In Test job openings:
Infographic showing various Senior Software Developer In Test job openings in Ashburn, VA as of July 2026, with employment types broken down into 78% Full Time, and 22% Contract. Highlights an 94% In-person, and 6% Hybrid job distribution, with an average salary of $131,302 per year, or $63.1 per hour.

Software Development Engineer in Test (SDET)

S.W.I.F.T. Pan-Americas

Manassas, VA

$152K/yr

Other

Medical, Dental, Vision, Life, Retirement

Posted 29 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.