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Senior Software Development Engineer In Test Jobs in Haymarket, VA

Java Selenium tester with Cucumber

Herndon, VA · On-site

$47.25 - $62.50/hr

Java, Selenium, Cucumber, SQL, Jira, Git 1. Strong SDET with Java, Selenium, Cucumber, SQL experience. Candidate should be well versed with UI, REST API testing and comfortable in JIRA, GIT. Unix ...

Senior Software Engineer

Chantilly, VA · On-site

$125K - $165K/yr

Leadsthe design, development, test, and maintenance of web applications that meet industry ... Security Clearance that has been active in the past 24 months is considered active.). Basic ...

Senior Software Engineer

Chantilly, VA · On-site

$125K - $165K/yr

Leadsthe design, development, test, and maintenance of web applications that meet industry ... Security Clearance that has been active in the past 24 months is considered active.). Basic ...

Showing results 41-60

Senior Software Development Engineer In Test information

See Haymarket, VA salary details

$22.2K

$123.9K

$161.3K

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

As of Aug 10, 2026, the average yearly pay for senior software development engineer in test in Haymarket, VA is $123,859.00, according to ZipRecruiter salary data. Most workers in this role earn between $109,000.00 and $141,600.00 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 are popular job titles related to Senior Software Development Engineer In Test jobs in Haymarket, VA? For Senior Software Development Engineer In Test jobs in Haymarket, VA, the most frequently searched job titles are:
What job categories do people searching Senior Software Development Engineer In Test jobs in Haymarket, VA look for? The top searched job categories for Senior Software Development Engineer In Test jobs in Haymarket, VA are:
What cities near Haymarket, VA are hiring for Senior Software Development Engineer In Test jobs? Cities near Haymarket, VA with the most Senior Software Development Engineer In Test job openings:
Infographic showing various Senior Software Development Engineer In Test job openings in Haymarket, VA as of August 2026, with employment types broken down into 1% As Needed, 80% Full Time, 16% Part Time, and 3% Contract. Highlights an 91% Physical, 3% Hybrid, and 6% Remote job distribution, with an average salary of $123,859 per year, or $59.5 per hour.

Senior Software Development Engineer, Engagement Security

Amazon

Herndon, VA • On-site

$126K - $166K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 23 days ago


Amazon rating

7.4

Company rating: 7.4 out of 10

Based on 7,073 frontline employees who took The Breakroom Quiz

6th of 39 rated national retailers


Job description

AWS Engagement Security (EngSec) enables AWS colleagues and partners who work on behalf of AWS to meet AWS's high security bar when working with the public and our customers. We seek a Senior Software Development Engineer (SDE) to build and operate large-scale, distributed systems that power internal security services. You will lead the design, implementation, and operation of infrastructure and tooling that enable AWS teams to deliver for our customers while meeting our strict security requirements. This role includes supporting AI/ML workloads, including Large Language Model (LLM) applications.
As an SDE, you will work closely with security engineers, machine learning engineers, project managers, and other SDEs. Your solutions will reduce the effort to deliver secure results, speed up and simplify security activities like code scanning and compliance analysis, and collect data about security to help AWS leaders make informed decisions.
Key job responsibilities
- Design, build, and maintain reliable, scalable infrastructure that leverages AI to deliver faster, more resilient services to customers.
- Develop automation tools and frameworks to eliminate manual operational work
- Mentor one or more developers on the team
- Own the operational health of services, including monitoring, alerting, and incident response
- Participate in on-call rotation to ensure 24/7 service availability
- Collaborate with security and ML teams to improve system architecture and operational excellence
A day in the life
Software Development Engineers embody Amazon's Leadership Principles, particularly:
- Ownership: Design for long-term operational health
- Dive Deep: Leverage the AWS platform to its fullest
- Invent and Simplify: Innovate ways to reduce operational complexity
- Learn and Be Curious: Stay current with emerging technologies including AI/ML and LLMs
- Are Right, A Lot: We uphold the security bar for a large number of diverse global teams. We must be right.
- This role works from the office
- This role participates in on-call rotation
About the team
Diverse Experiences
AWS Security values diverse experiences. We encourage you to apply even if you do not meet all of the qualifications and skills listed in the job description. If your career hasn't followed a traditional path, don't let it stop you from applying.
Why AWS Security?
Security is central to how AWS maintains customer trust and delivers delightful customer experiences. We are responsible for maintaining a high security bar across all of AWS's products and services.
Inclusive Team Culture
In AWS Security, it's in our nature to learn and be curious. Ongoing DEI events and learning experiences inspire us to continue learning and to embrace our uniqueness. Addressing the toughest security challenges requires that we seek out and celebrate a diversity of ideas, perspectives, and voices.
Training & Career Growth
We're continuously raising our performance bar as we strive to become Earth's Best Employer. That's why you'll find endless knowledge-sharing, training, and other career-advancing resources here to help you develop into a better-rounded professional.
Work/Life Balance
We value work-life harmony. Achieving success at work should never come at the expense of sacrifices at home, which is why flexible work hours and arrangements are part of our culture. When we feel supported in the workplace and at home, there's nothing we can't achieve.
BASIC QUALIFICATIONS
- 5+ years of non-internship professional software development experience
- 5+ years of programming with at least one software programming language experience
- 5+ years of leading design or architecture (design patterns, reliability and scaling) of new and existing systems experience
- Experience as a mentor, tech lead or leading an engineering team
- 5+ years of full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations experience
PREFERRED QUALIFICATIONS
- Bachelor's degree in computer science or equivalent
- 2+ years of Linux systems administration and/or development experience
- Knowledge of one or more ML Frameworks (e.g., PyTorch, TensorFlow) and ML methods including NLP models (BERT, GPT-2/3), computer vision-based models (object detection, image recognition), and text-based models (Seq2Seq, Topic modeling)
- Knowledge of and proficiency in the use of Python scripting language
- AWS certification, such as, AWS Solutions Architect, or a similar cloud certification
Amazon is an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status.
Our inclusive culture empowers Amazonians to deliver the best results for our customers. If you have a disability and need a workplace accommodation or adjustment during the application and hiring process, including support for the interview or onboarding process, please visit https://amazon.jobs/content/en/how-we-hire/accommodations for more information. If the country/region you're applying in isn't listed, please contact your Recruiting Partner.
The base salary range for this position is listed below. Your Amazon package will include sign-on payments and restricted stock units (RSUs). Final compensation will be determined based on factors including experience, qualifications, and location. Amazon also offers comprehensive benefits including health insurance (medical, dental, vision, prescription, Basic Life & AD&D insurance and option for Supplemental life plans, EAP, Mental Health Support, Medical Advice Line, Flexible Spending Accounts, Adoption and Surrogacy Reimbursement coverage), 401(k) matching, paid time off, and parental leave. Learn more about our benefits at https://amazon.jobs/en/benefits.
USA, VA, Herndon - 168,100.00 - 227,400.00 USD annually
USA, WA, Seattle - 168,100.00 - 227,400.00 USD annually

What Amazon employees say

Pay

Benefits

Hours and flexibility

Workplace

Get the full story on Breakroom


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About Amazon

Sourced by ZipRecruiter

Amazon.com, Inc., commonly known as Amazon, is an American multinational technology company. It was founded by Jeff Bezos in 1994 and initially started as an online marketplace for books. Since then, Amazon has expanded its operations and become one of the largest e-commerce companies in the world. Amazon's primary business is its online retail platform, where customers can purchase a vast array of products, including electronics, clothing, books, home goods, and much more. The company offers a convenient and user-friendly shopping experience, with features such as fast shipping, customer reviews, and personalized recommendations. In addition to its e-commerce platform, Amazon has diversified its business into various other areas. One of its notable ventures is Amazon Web Services (AWS), a comprehensive cloud computing platform that provides services such as storage, compute power, and database management to individuals and businesses. AWS has become a leader in the cloud computing industry, powering many websites and applications worldwide. Amazon has also developed its own consumer electronics, including the popular Amazon Kindle e-reader, Fire tablets, Fire TV streaming devices, and the Alexa-powered Echo smart speakers. The Alexa voice assistant, integrated into these devices, allows users to interact with their devices using voice commands, perform tasks, and access information. Furthermore, Amazon has expanded into media and entertainment. It operates Prime Video, a streaming service that offers a wide range of movies, TV shows, and original content. Amazon Music provides a platform for streaming and purchasing digital music, while Audible offers audiobooks and other audio content. The company's commitment to customer satisfaction and convenience is demonstrated by its membership program, Amazon Prime. Prime members receive various benefits, including free two-day shipping, access to streaming services, exclusive deals, and more.

Industry

It services, book publishers, retail, real estate and computer and electronic product manufacturing

Company size

10,000+ Employees

Headquarters location

Seattle, WA, US