218 api test engineer jobs at 129 companies in Rosslyn, VA
1w
Save
Mark Applied
Hide
Test Engineer
Dayton or Fairfax
RemoteFull Time
5+ YOEBachelor's degree in IT, engineering, computer science, or related field; 5–7 years of Agile software testing experience; CI/CD, DevSecOps, API testing, system integration, and automated testing experience required.
DevSecOps, CI/CD, Oracle, Java, Jenkins, GitLab CI, Azure DevOps, SAST, DAST, STIGs, RMF, Jira, Agile, API
1mo
Save
Mark Applied
Hide
Test Engineer 3
Annapolis Junction or Maryland or Virginia or Colorado or Texas or Utah or Alaska or Hawaii
$63-$112/hr OnsiteFull Time
8+ YOETS/SCI required,8+ years test engineering experience, bachelor's in related field (or equivalent), strong Linux/Bash, Python/Pytest, Docker/Podman, Jenkins/GitLab, REST API and UI automation skills.
Linux, Bash, Python, Pytest, Docker, Podman, Jenkins, GitLab, Robot Framework, Selenium, SQL Developer, Microsoft Playwright
1mo
Save
Mark Applied
Hide
Test Engineer Level 3
Annapolis Junction, Maryland, United States
$185k-$200k/yr OnsiteFull Time
8+ YOEU.S. citizen with active TS/SCI+Poly required; 8+ years test engineering experience for HPC systems; Linux, Bash, Python, REST API, SQL/Splunk, CI/CD (GitLab CI); Bachelor's degree or substitution with additional experience.
Linux, Bash, Python, REST APIs, SQL, Splunk, Kibana, Grafana, GitLab CI, Jira, Confluence, Ansible, Git
1w
Save
Mark Applied
Hide
Test Engineer
Arlington, Virginia, United States
$100k-$115k/yr HybridFull Time
4+ YOEBachelor's degree in computer science or related field, 4+ years of test or QA engineering experience, active DoD Secret clearance, and experience with automated testing, APIs, web applications, CI/CD, and defect tracking.
Selenium, Cypress, Postman, Newman, JUnit, NUnit, Jest, Azure DevOps, Jira, GitHub Actions, Docker, Kubernetes, OpenTelemetry, App Insights, MuleSoft Anypoint Platform, .NET, Java, NestJS, MuleSoft, REST APIs, Microsoft Azure DevOps
2w
Save
Mark Applied
Hide
Test Engineer
Stafford or Virginia
OnsiteContract
1+ YOERequires active Secret clearance, 1+ year automation testing experience, automated test development, manual and integration testing, web/API/database testing, and agile team experience.
Microsoft .NET, Selenium, Playwright, Appium, Robot, Cucumber, JMeter, K6, Loadrunner, SAFe, Scrum, XP, Kanban, Xray, TestRail, Angular, React, Blazor, Azure, AWS
3mo
Save
Mark Applied
Hide
Lead Test Engineer
McLean or Suitland or Virginia or Maryland
$160k-$180k/yr HybridFull Time
10+ YOEUS citizen able to obtain Public Trust,10+ years testing/quality engineering leadership,expertise in enterprise test automation,CI/CD integration,API/integration/performance testing,and test data management.
AWS, Azure, GitLab, Jira, Xray, Selenium, Jenkins, Cucumber, Playwright, Qmetry, Confluence, Git
1mo
Save
Mark Applied
Hide
Automated Test Engineer
Annapolis Junction, Maryland, United States
$164k-$213k/yr HybridFull Time
15+ YOEBachelor's degree required, TS/SCI w/Poly required, 15+ years experience, proven Cypress automation and JavaScript/TypeScript skills, API/UI test development, Agile, Git, Jira, and CI/CD familiarity.
Git, JavaScript, TypeScript, Cypress, Jira, Confluence, GitLab CI/CD, Amazon Web Services, Docker
3d
Save
Mark Applied
Hide
Test Engineer
Arlington or Rosslyn
HybridFull Time
5+ YOEBachelor's degree with 5+ years or master's with 3+ years, or equivalent experience; automated testing, Selenium, API testing, CI/CD, documentation, defect tracking, and active Secret clearance required.
Selenium, C#, SoapUI, CI/CD
2mo
Save
Mark Applied
Hide
Senior Test Engineer
Vienna or Pensacola or Winchester
$78k-$123k/yr HybridFull Time
5+ YOE5+ years testing experience with leadership of test teams; strong Agile/Scrum experience; Azure DevOps/Azure Test Plans, API testing (Postman), SQL, UFT, XPath/HTML/CSS; ISTQB CTFL certification; Bachelor's in CS/Engineering or equivalent.
Microsoft Azure DevOps (ADO), Microsoft Azure Test Plans, Microsoft Azure Repos, Microsoft Azure Pipelines, Git, Bitbucket, Postman, Jenkins, UFT, SQL, XPath, HTML, CSS, Gherkin, Microsoft 365 Copilot Agents
2mo
Save
Mark Applied
Hide
HPC Test Automation Engineer
Annapolis Junction, Maryland, United States
OnsiteFull Time
Top Secret clearance and polygraph required; U.S. work authorization; experience with Linux CLI, Bash/Python scripting, SQL, Splunk/Kibana/Grafana, GitLab CI, REST API testing, and developing/executing HPC test plans.
Linux CLI, Bash, Python, SQL, Splunk, Kibana, Grafana, GitLab CI, REST APIs, JIRA, Confluence, Ansible, Git
2mo
Save
Mark Applied
Hide
Test Engineer (SME)
Annapolis Junction, Maryland, United States
$90k-$200k/yr OnsiteFull Time
4+ YOETS/SCI with polygraph required. Bachelor's degree or equivalent experience, 4+ years test engineering experience. Experience with Cypress, JavaScript/TypeScript, API/UI testing, CI/CD (GitLab), Git, Jira, Confluence, AWS, and Docker.
Cypress, JavaScript, TypeScript, RESTful API, GitLab CI/CD, Git, Jira, Confluence, Amazon Web Services, Docker, UNIX, DOS, Windows
2w
Save
Mark Applied
Hide
Lead Test Engineer
Fairfax, Virginia, United States
$113k-$246k/yr HybridFull Time
10+ YOEBachelor's or equivalent,10+ years software testing experience with automated, integration, API, end-to-end and performance testing; test planning, technical leadership, and mentoring experience.
1mo
Save
Mark Applied
Hide
Automation Test Engineer
Ashburn, Virginia, United States
HybridFull Time
5+ YOEUS citizen, Bachelor's in CS/Engineering, 5+ years QA experience, expertise in test automation, Java, API and SQL testing, Agile methodologies, and ability to work onsite in Ashburn up to 4 days/week.
Selenium, WebDriver, Java, Rest-Assured, Postman, REST, SOAP, SQL, Git, Jira Xray
1d
Save
Mark Applied
Hide
Test Automation Engineer
Reston, Virginia, United States
$90k-$190k/yr HybridFull Time
3+ YOEBachelor's degree or equivalent experience; 3–6 years in software quality engineering, including 2+ years in test automation; programming, UI automation, API testing, CI/CD, Git, agile, and communication skills required.
Java, JavaScript, TypeScript, Python, C#, Selenium WebDriver, Playwright, Cypress, REST Assured, Postman, Pact, JMeter, k6, Jenkins, GitHub Actions, GitLab CI, Azure DevOps, Docker, Git, Jira, Xray, Zephyr, TestRail, Cucumber, Appium, XCUITest, Espresso, Gatling, AWS, Azure, Google Cloud, Kubernetes
2mo
Save
Mark Applied
Hide
Automation Test Engineer
Chantilly, Virginia, United States
$145k-$218k/yr OnsiteFull Time
2+ YOE2-5 years of software testing; automated testing frameworks; REST API testing; CI/CD; Git; agile; strong communication.
Cypress, Playwright, Selenium, Jest, Mocha, Postman, REST, Assured, Supertest, k6, JMeter, Gatling, Pact, Docker, Kubernetes, Go, Node.js, Python, Cucumber, SpecFlow, AWS
3w
Save
Mark Applied
Hide
Mid-Level Test Engineer - DHS
Springfield, Virginia, United States
RemoteFull Time
5+ YOE5+ years testing or quality-engineering experience with web/enterprise/cloud/geospatial systems; ability to develop test plans, manual and automated tests, validate APIs/integrations, and meet DHS security requirements.
C#, Python, JavaScript, TypeScript, Selenium, Playwright, Cypress, pytest, NUnit, xUnit, Jira, Confluence, Git, GitLab, CI/CD, ESRI Portal, ArcGIS Enterprise, ArcGIS Online, Experience Builder, ArcGIS API for JavaScript, AWS, .NET, Notebook Server, REST
1mo
Save
Mark Applied
Hide
Sr. Test Engineer
Reston, Virginia, United States
$130k/yr RemoteFull Time
Bachelor's in CS or related; experience designing/implementing automation frameworks, CI/CD integration, BDD with Cucumber/Gherkin, Java scripting, Selenium/WebDriver, API testing, and QA in Agile environments.
Cucumber, Gherkin, Java, Selenium/WebDriver, Postman, Rally, GitLab, Jira, Confluence, AWS
1mo
Save
Mark Applied
Hide
Sr. Test Engineer
Arlington, Virginia, United States
$114k-$173k/yr OnsiteFull Time
6+ YOE6+ years QA experience, strong test-design and automation for REST/API and microservices, database/data validation (Azure SQL, Cosmos DB), familiar with CI/CD and service virtualization, excellent communication.
REST, Azure SQL, Cosmos DB, Selenium, Postman, Playwright, Jira, Azure DevOps, API Management (APIM), Application Gateway, Web Application Firewall (WAF), Synapse, Power BI, SQL Server, JavaScript, PowerShell, Python, SOAP, XML, CI/CD, Azure
3mo
Save
Mark Applied
Hide
Automation Test Engineer
Washington, District of Columbia, United States
$95k-$169k/yr OnsiteFull Time
Experience with automated testing tools (Worksoft Certify, HP UFT/BPT, Tricentis Tosca, Selenium); API testing; test automation framework design/development; QA/testing across applications; multiple programming languages.
Worksoft Certify, HP UFT, BPT, Tricentis Tosca, Selenium, VB, VBScript, Java, C#, Ruby, Python, API testing tools
23h
Save
Mark Applied
Hide
Senior Software Test Engineer
Annapolis Junction or Washington
$149k-$186k/yr OnsiteFull Time
13+ YOERequires 13 years of software test engineering experience or equivalent education substitution, TS/SCI with in-scope CI polygraph, UI and regression testing, automation, API testing, cloud, cybersecurity, and accessibility standards experience.
AWS, Azure, GitLab, RESTful services, Windows Server, WCAG, Section 508
Explore Jobs