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Senior Software Developer In Test Jobs in Washington

MSRB

Senior Software Developer

Washington, DC

$61.75 - $81.50/hr

Write production-grade code with strong unit and integration test coverage * Implement and maintain ... Monitor system performance and drive improvements in latency, throughput, and reliability

Leidos

Senior Software Developer

Alexandria, VA · On-site

$58.25 - $77/hr

In this role, you will work alongside government partners, engineers, and other industry teammates ... Develop, test, and maintain application-level software including backend services, APIs, and user ...

Leidos

Senior Software Developer

Alexandria, VA

$58.25 - $77/hr

In this role, you will work alongside government partners, engineers, and other industry teammates ... Develop, test, and maintain application-level software including backend services, APIs, and user ...

Leidos

Senior Software Developer

Alexandria, VA

$58.25 - $77/hr

In this role, you will work alongside government partners, engineers, and other industry teammates ... Develop, test, and maintain application-level software including backend services, APIs, and user ...

Leidos

Senior Software Developer

Gaithersburg, MD

$59 - $77.75/hr

In this role, you will work alongside government partners, engineers, and other industry teammates ... Develop, test, and maintain application-level software including backend services, APIs, and user ...

Leidos

Senior Software Developer

Gaithersburg, MD

$59 - $77.75/hr

In this role, you will work alongside government partners, engineers, and other industry teammates ... Develop, test, and maintain application-level software including backend services, APIs, and user ...

VivSoft Technologies

Senior Software Developer

Herndon, VA · Remote

$55.75 - $73.75/hr

Senior Software Developer Location: Remote, USA Position Type: Full-Time About the company: At ... VivSoft is a diverse team of strategists, engineers, designers, and creators experienced in ...

WITS, LLC

Senior Software Developer

Fort George G Meade, MD · On-site

$60.75 - $80.25/hr

Salary: 200-220k WITS is seeking a Senior Software Developer with mid-tier, backend, and some frontend experience. The candidate must be able to work with a small team of developers with similar ...

WITS, LLC

Senior Software Developer

Fort George G Meade, MD

$60.75 - $80.25/hr

Salary: 200-220k WITS is seeking a Senior Software Developer with mid-tier, backend, and some frontend experience. The candidate must be able to work with a small team of developers with similar ...

CC Pace Systems, Inc.

Full Stack SDET

Vienna, VA · On-site

$50.25 - $64.75/hr

Description Mid-Senior Level Software Development Engineer in Test (SDET) Location: Vienna, Virginia 22180 Work Arrangement: On-site Role Overview The Digital Delivery team develops innovative member ...

CC Pace Systems, Inc.

Full Stack SDET

Vienna, VA · On-site

$50.25 - $64.75/hr

Mid-Senior Level Software Development Engineer in Test (SDET) Location: Vienna, Virginia 22180 Work Arrangement: On-site Role Overview The Digital Delivery team develops innovative member and team ...

VTG

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 ...

Eliassen Group

Software Engineer in Test

Rockville, MD · Hybrid

$58 - $64/hr

... 9 years (senior) in software testing or SDET roles * Strong proficiency in SQL and database ... concepts (data validation, querying, troubleshooting) * Hands-on experience with one or more ...

Hirekeyz Inc

Senior Software Developer

Fairfax, VA · On-site

$55.75 - $73.50/hr

Onsite- Fairfax, VA 3 Days and in Washington, DC 2 Days per Week. Duration: Long Term Contract Position Require a Secret Clearance The Senior Software Developer role requires a deep expertise in Java ...

Deegit Inc

SDET Developer

Silver Spring, MD · On-site

$51.75 - $66.75/hr

Software Development Engineer in Test (SDET) is to develop and execute software test plans in order to identify software problems and their causes. Strong java development skills JavaScript ...

Beyond SOF

Senior Software Developer

Linthicum Heights, MD · On-site

$53.50 - $70.50/hr

The Senior Software Developer will join a multi-disciplinary team of subject matter experts ... Work in a fun, collaborative environment solving complex problems to produce innovative solutions ...

Beyond SOF

Senior Software Developer

Linthicum, MD · On-site

$53.50 - $70.50/hr

The Senior Software Developer will join a multi-disciplinary team of subject matter experts ... Work in a fun, collaborative environment solving complex problems to produce innovative solutions ...

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Senior Software Developer In Test information

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.
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Senior Software Developer In Test jobs near you
Infographic showing various Senior Software Developer In Test job openings in Washington as of June 2026, with employment types broken down into 80% Full Time, and 20% Contract. Highlights an 95% In-person, and 5% Hybrid job distribution.

Senior Software Developer

MSRB

Washington, DC

$61.75 - $81.50/hr

Other

Posted 11 days ago

Job description

The MSRB is seeking a Senior Software Developer who designs and delivers distributed systems. Drives architecture decisions, builds cloud-native applications, and improves legacy platforms. Focuses on performance, reliability, and automated testing.

Key Responsibilities

  • Design and implement scalable, distributed applications across frontend and backend
  • Translate product and business requirements into system architecture and technical designs
  • Build and maintain REST and GraphQL APIs and service integrations
  • Develop and optimize SQL queries, stored procedures, and database interactions
  • Write production-grade code with strong unit and integration test coverage
  • Implement and maintain CI/CD pipelines, build automation, and release workflows
  • Modernize legacy systems using AWS services and serverless architectures
  • Conduct code reviews and enforce coding standards and secure design practices
  • Troubleshoot complex production issues across application, database, and infrastructure layers
  • Monitor system performance and drive improvements in latency, throughput, and reliability

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