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Senior Software Tester Jobs in Washington (NOW HIRING)

GridPoint

Senior Software Engineer

Reston, VA · On-site

$127K - $168K/yr

The Senior Software Engineer will implement solutions for complex software products and features, ensuring high quality through design, implementation, and testing. Responsibilities : • participate ...

STR

Senior Software Engineer

Arlington, VA · On-site

$141K - $186K/yr

STR is hiring experienced Senior Software Engineers to join their multidisciplinary cyber ... The role involves designing, implementing, and testing software for real-time data communications ...

Wrenchio LLC

Senior Software Engineer

Annapolis Junction, MD · On-site

$134K - $177K/yr

The role entails reviewing and testing software components to ensure compliance with design requirements and documenting test outcomes. Additionally, the Sr. Software Engineer addresses and resolves ...

Vidoori

Senior Software Developer

Hyattsville, MD · On-site

$54.75 - $72.25/hr

Role Overview - Senior Software Developer Reporting to engineering leadership, the Senior Software ... Drive code quality through thorough code reviews, automated testing, static analysis and adherence ...

Refinitiv

Senior Software Engineer

Mclean, VA · On-site

$102.20 - $189.80/hr

## Senior Software EngineerApplyremote type: Remotelocations: United States of America, McLean ... Experience designing, building, testing, and maintaining multi-service backend systems and ...

New

Systek

Senior Software Engineer

Hanover, MD · On-site

$90 - $140K/hr

SENIOR SOFTWARE ENGINEER The company is seeking a Senior Software Engineer to provide SETA support ... Participate in the testing process through test review and analysis, test witnessing and ...

RPMGlobal

Senior Software Engineer

Hanover, MD · On-site

$90 - $140/hr

SENIOR SOFTWARE ENGINEER The company is seeking a Senior Software Engineer to provide SETA support ... Participate in the testing process through test review and analysis, test witnessing and ...

New

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Senior Software Tester information

See Washington salary details

$33

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How much do senior software tester jobs pay per hour?

As of Aug 8, 2026, the average hourly pay for senior software tester in Washington is $60.23, according to ZipRecruiter salary data. Most workers in this role earn between $53.89 and $68.61 per hour, depending on experience, location, and employer.

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

To thrive as a Senior Software Tester, you need expertise in software testing methodologies, test case design, and defect management, typically supported by a degree in computer science or a related field and several years of experience. Familiarity with automation tools (such as Selenium or JUnit), bug tracking systems, and relevant certifications like ISTQB is highly valued. Attention to detail, critical thinking, and strong communication skills set top performers apart in this role. These competencies ensure that software products are reliable, high-quality, and meet user requirements before release.

What is the difference between Senior Software Tester vs Software Tester?

AspectSenior Software TesterSoftware Tester
CredentialsTypically requires 3+ years experience, certifications like ISTQBEntry-level or 1-2 years experience, may have ISTQB or similar
Work EnvironmentLeads testing projects, mentors junior testersPerforms testing tasks under supervision
ResponsibilitiesDesigns test plans, reviews testing processesExecutes test cases, reports bugs

The main difference between a Senior Software Tester and a Software Tester lies in experience, responsibilities, and leadership. Senior testers often lead testing efforts and mentor others, while software testers focus on executing tests. Both roles are essential in software quality assurance and share similar credentials, but the senior role involves more strategic oversight.

What is a senior software tester?

Senior Software Testers are experienced professionals responsible for designing, implementing, and executing tests to ensure the quality and functionality of software applications. They lead testing efforts, mentor junior testers, and collaborate closely with developers to identify and resolve issues. Senior Software Testers also help define testing strategies, develop automated test scripts, and contribute to continuous improvement in software development processes. Their expertise helps ensure that released software meets both technical requirements and user expectations.

What are some common challenges senior software testers face when working on large-scale projects?

Senior Software Testers often encounter challenges such as managing complex test environments, coordinating with cross-functional teams, and ensuring thorough test coverage across multiple modules. Balancing tight project deadlines while maintaining high-quality standards can also be demanding. Additionally, adapting testing strategies to accommodate evolving requirements and integrating automated testing tools effectively are frequent hurdles in large-scale projects.
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Senior Software Tester jobs near you
Infographic showing various Senior Software Tester job openings in Washington as of August 2026, with employment types broken down into 85% Full Time, 10% Part Time, and 5% Contract. Highlights an 87% Physical, 3% Hybrid, and 10% Remote job distribution, with an average salary of $125,277 per year, or $60.2 per hour.

Senior Software Engineer

GridPoint

Reston, VA • On-site

$127K - $168K/yr

Full-time

Re-posted 16 days ago

Job description

Job Summary:
GridPoint is an established leader in smart energy solutions, providing Fortune 1000 enterprises, government agencies and utilities with tools for sustainable energy management. The Senior Software Engineer will implement solutions for complex software products and features, ensuring high quality through design, implementation, and testing.
Responsibilities:
• participate in specification development and provide critical review of software specifications prepared by others
• develop and document responsive software design solutions based on software requirements specifications which also conform to established system level architecture/design specifications
• develop software assets based on software requirements and design specifications, system architecture/design specifications... working either singly or in combination with other software engineers and test engineers
• ensure high quality software products through deliberative design, implementation, unit/integration testing, and active support to verification/validation testers
• perform Production support work as assigned (issue investigation and findings reporting, rapid issue resolution for critical issues)
Qualifications:
Required:
• B.S. Computer Science or related field (or equivalent experience)
• Minimum 8 years of professional experience in progressively more senior software engineering roles
• Minimum 8 years of experience with Unix internals; Java or .NET; XML/JSON; Oracle, Postgres or SQL Server; application frameworks (e.g. J2EE, JBOSS, Spring, Hibernate, OSGI)
• Minimum 5 years of experience with web services applications... RESTful designs preferred
• Minimum 8 years of hands-on experience with database programming in Java or .NET with Oracle, Postgres, or other RDBMS
• Excellent written and verbal communication skills
Preferred:
• M.S. Computer Science highly preferred
• Experience with one or more of the following is desired: scala, service oriented architectures, continuous integration, automated configuration management
Company:
GridPoint is a company specializing in managing and optimizing energy use in commercial buildings. Founded in 2003, the company is headquartered in Arlington, USA, with a team of 201-500 employees. The company is currently Growth Stage.

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