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Senior Software Development Engineer Jobs in Mount Rainier, MD

System One

Sr SDET

Reston, VA · On-site

$115K - $149K/yr

Senior SDET (Automation Testing) | Hybrid | Reston, VA We are seeking a Senior Software Development Engineer in Test (SDET) with strong expertise in UI, Web Services, and Mobile Test Automation to ...

System One

Sr SDET

Reston, VA · On-site

$116K - $151K/yr

Senior SDET (Automation Testing) | Hybrid | Reston, VA We are seeking a Senior Software Development Engineer in Test (SDET) with strong expertise in UI, Web Services, and Mobile Test Automation to ...

HR Tech Job

Sr Software Development Engineer

Reston, VA · On-site

$163.80 - $245.80/hr

As a Sr Software Development Engineer, you will play a pivotal role in guiding Workday's efforts to help build, develop, and implement solutions for our Kubernetes platform, including infrastructure ...

Workday, Inc.

Sr Software Development Engineer

Reston, VA · On-site

$127K - $168K/yr

As a Sr Software Development Engineer, you will play a pivotal role in guiding Workday's efforts to help build, develop, and implement solutions for our Kubernetes platform, including infrastructure ...

Lumen Solutions Group Inc.

Senior SDET

Reston, VA · On-site

Senior SDET Location: Reston, VA (Hybrid Once in a 2 Week) Job Type: Short-Term Contract (Till Dec 2026) Job Summary: We are looking for a Senior SDET with strong hands-on experience in test ...

Workday

Sr Software Development Engineer

Reston, VA

$127K - $168K/yr

As a Sr Software Development Engineer, you will play a pivotal role in guiding Workday's efforts to help build, develop, and implement solutions for our Kubernetes platform, including infrastructure ...

Workday, Inc.

Sr Software Development Engineer

Reston, VA · On-site

$148 - $264/hr

## Sr Software Development EngineerApplyremote type: Flexlocations: USA.VA.Restontime type: Full ... You will partner with Data Scientists, ML Engineers, and other Software Engineers to create the ...

Workday

Senior Software Development Engineer

Reston, VA

$127K - $168K/yr

About the Team We are looking for a highly motivated and Senior Engineer to join our growing ... software development engineering skills. * Bachelor's degree in a computer related field or ...

Workday, Inc.

Sr Software Development Engineer

Reston, VA · On-site

$127K - $168K/yr

Implementation and operation of distributed systems and software development including the conception, specifying, designing, programming, documenting, testing, and bug fixing involved in creating ...

Workday

Sr Software Development Engineer

Reston, VA

$127K - $168K/yr

Implementation and operation of distributed systems and software development including the conception, specifying, designing, programming, documenting, testing, and bug fixing involved in creating ...

Amazon

Sr Software Dev Engineer , S3 Foundation

Arlington, VA · On-site

$140K - $185K/yr

We are looking for a talented Senior Software Development Engineer to join our foundation team to support AWS services for orchestrating software deployments to the S3 fleet and post processing of S3 ...

Amazon

Sr Software Dev Engineer , S3 Foundation

Arlington, VA · On-site

$140K - $185K/yr

We are looking for a talented Senior Software Development Engineer to join our foundation team to support AWS services for orchestrating software deployments to the S3 fleet and post processing of S3 ...

Amazon

Sr. Software Development Engineer, S3, S3

Herndon, VA · On-site

$126K - $166K/yr

We are looking for a talented Senior Software Development Engineer to join our S3 Fleet Management team to support AWS S3 Fleet Automation services and help build the new generation of Fleet Agnostic ...

Amazon

Sr. Software Development Engineer, S3, S3

Herndon, VA · On-site

$126K - $166K/yr

We are looking for a talented Senior Software Development Engineer to join our S3 Fleet Management team to support AWS S3 Fleet Automation services and help build the new generation of Fleet Agnostic ...

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All JobsSoftware Development Engineer JobsSenior Software Development Engineer JobsSenior Software Development Engineer Jobs in Mount Rainier, MD

Senior Software Development Engineer information

See Mount Rainier, MD salary details

$76.2K

$144.7K

$193.8K

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

As of Aug 22, 2026, the average yearly pay for senior software development engineer in Mount Rainier, MD is $144,666.00, according to ZipRecruiter salary data. Most workers in this role earn between $123,700.00 and $163,000.00 per year, depending on experience, location, and employer.

What is a senior software development engineer?

Senior Software Development Engineers are experienced professionals who design, develop, and maintain complex software systems. They often lead technical projects, mentor junior developers, and ensure software quality and best practices within a team. Their responsibilities include writing code, conducting code reviews, collaborating with cross-functional teams, and solving challenging technical problems. Senior Software Development Engineers typically have several years of industry experience and a deep understanding of software engineering principles.

What are the key skills and qualifications needed to thrive as a senior software development engineer?

To thrive as a Senior Software Development Engineer, you need deep expertise in software engineering principles, advanced programming skills in languages such as Java, Python, or C++, and a bachelor's or higher degree in computer science or a related field. Familiarity with version control systems like Git, cloud platforms such as AWS or Azure, and experience with CI/CD pipelines are typically required, and certifications in these technologies can be advantageous. Strong problem-solving, leadership, and communication skills help you mentor junior engineers and collaborate effectively across teams. These competencies are critical for delivering robust solutions, driving technical innovation, and ensuring project success in complex engineering environments.

What are some common challenges senior software development engineers face when leading cross-functional projects?

Senior Software Development Engineers often encounter challenges such as aligning priorities across diverse teams, managing technical debt while delivering new features, and ensuring effective communication among stakeholders. Balancing hands-on coding with mentorship responsibilities and architectural decision-making can also be demanding. Success in this role typically requires strong interpersonal skills, proactive problem-solving, and the ability to adapt to shifting project requirements while maintaining high code quality.

What is the difference between Senior Software Development Engineer vs Software Development Engineer?

AspectSenior Software Development EngineerSoftware Development Engineer
ExperienceTypically 5+ years, with leadership responsibilitiesEntry to mid-level, 1-3 years of experience
ResponsibilitiesDesigning complex systems, mentoring juniors, leading projectsImplementing features, fixing bugs, collaborating on code
Skills & CertificationsProficiency in multiple programming languages, system design, often with certificationsStrong coding skills, foundational knowledge, less emphasis on certifications
Work EnvironmentOften leads teams, involved in architecture decisionsFocused on individual contributions, team collaboration

The main difference between a Senior Software Development Engineer and a Software Development Engineer lies in experience, responsibilities, and leadership. Seniors typically lead projects and mentor others, while juniors focus on coding and task completion. Both roles are vital in software development teams, with seniors bringing more strategic input and mentorship.

What cities near Mount Rainier, MD are hiring for Senior Software Development Engineer jobs?

Cities near Mount Rainier, MD with the most Senior Software Development Engineer job openings:

Infographic showing various Senior Software Development Engineer job openings in Mount Rainier, MD as of August 2026, with employment types broken down into 1% As Needed, 81% Full Time, 14% Part Time, and 4% Contract. Highlights an 91% Physical, 3% Hybrid, and 6% Remote job distribution, with an average salary of $144,666 per year, or $69.6 per hour.

Sr SDET

System One

Reston, VA • On-site

$115K - $149K/yr

Other

Posted 4 days ago

Job description

Senior SDET (Automation Testing) | Hybrid | Reston, VA

We are seeking a Senior Software Development Engineer in Test (SDET) with strong expertise in UI, Web Services, and Mobile Test Automation to support a high-impact technology team. This is a short-term contract opportunity through the end of the year, requiring local candidates in the DMV area who can work onsite in Reston, VA as needed.

Location
  • Hybrid: Reston, VA (onsite every other week and as needed)
  • Local DMV candidates only
Key Responsibilities
  • Analyze user stories and acceptance criteria and develop automated test scripts for web, mobile, and API applications.
  • Design, develop, maintain, and enhance automation frameworks aligned with enterprise standards.
  • Create and execute test plans, test cases, regression suites, and smoke tests.
  • Develop automation using Selenium, Cucumber, BDD frameworks, SoapUI, and Appium.
  • Execute automated testing within CI/CD pipelines using Jenkins.
  • Identify, troubleshoot, and document defects using Jira.
  • Collaborate closely with developers, product owners, and business stakeholders to ensure quality delivery.
  • Analyze test results, perform root cause analysis, and recommend corrective actions.
  • Mentor junior testers and provide leadership across testing initiatives.
Required Qualifications
  • 8-10 years of software testing experience, including at least 5 years in automated testing and framework development.
  • Strong hands-on experience with:
    • Selenium
    • Cucumber / BDD Frameworks
    • Appium (Mobile Automation)
    • SoapUI (API/Web Services Testing)
    • Jenkins and CI/CD pipelines
  • Programming experience with Java, JavaScript, SQL, and PL/SQL.
  • Experience designing and maintaining test automation frameworks.
  • Knowledge of AWS and cloud-based testing.
  • Strong database experience with Oracle, SQL Server, DB2, or similar platforms.
  • Experience working in Agile and Waterfall environments.
  • Bachelor''s degree in Computer Science, Information Technology, Engineering, or related field (or equivalent experience).
Preferred Qualifications
  • Experience testing healthcare applications.
  • Exposure to multiple operating systems and technologies including Windows, Linux, UNIX, .NET, and web technologies.
Key Skills

Test Automation, Selenium, Cucumber, BDD, Appium, SoapUI, Java, JavaScript, SQL, PL/SQL, Jenkins, CI/CD, AWS, API Testing, Mobile Testing, Web Testing, Jira, Agile, SDLC, Automation Framework Development.

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About System One

Sourced by ZipRecruiter

System One helps employers get work done more efficiently and economically without compromising quality. Over our 35+ year history, we've helped connect thousands of talented people with innovative companies. The excitement of a perfect fit motivates us every single day.

Industry

Business consulting services and recruiting and staffing services

Company size

5,001 - 10,000 Employees

Headquarters location

Pittsburgh, PA, US

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