39 api test engineer jobs at 22 companies in Winchester, VA
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Test Engineer
Fort Detrick, Maryland, United States
$77k-$129k/yrHybridFull Time
ManTech: Provides technology solutions for defense and intelligence agencies.
2+ YOE2+ years testing experience or 6 years equivalent; experience with automated testing and test frameworks; proficiency in Java, SQL/NoSQL, and tools for API, accessibility, and CI/CD; U.S. citizenship and ability to obtain Public Trust.
Cross-Platform & Software Test Automation Engineer
Chantilly, Virginia, United States
$94k-$198k/yrOnsiteFull Time
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
5+ YOEBachelor's in a technical discipline, active TS/SCI with polygraph, 5+ years systems or network engineering, experience with DART or large-scale automated test networks, IaC and hypervisor/container platforms, API integration.
Niyam IT: IT services and data analytics for government agencies.
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.
RIVA Solutions: Delivers digital transformation and IT solutions to government agencies.
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.
Cross-Platform & Software Test Automation Engineer
Chantilly, Virginia, United States
$94k-$198k/yrOnsiteFull Time
CACINYSE: CACI: Provides information technology and professional services to government clients.
5+ YOETS/SCI with polygraph, Bachelor’s in CS/CE, 5+ years systems or network engineering experience, experience with large-scale test automation (DART), IaC, hypervisors, containerization, APIs, and automation frameworks.
Karsun Solutions: Delivers enterprise IT modernization solutions to federal government agencies.
8+ YOE8+ years experience with test automation, hands-on AI-enabled testing tools, leadership of automation teams, expertise with Selenium/Playwright, API testing, and strong programming and troubleshooting skills.
SAICNASDAQ: SAIC: Provides government and defense clients with technology and engineering services.
9+ YOEBachelor's in computer science or related field,9+ years technical experience,expertise in Playwright,Java,Selenium,API and backend testing,SQL,ability to obtain Public Trust and US citizenship required.
CertiPath: High-assurance digital identity and access management software provider.
7+ YOEU.S. citizenship and ability to obtain government clearance; 7+ years automation testing; 5+ years Pytest and Django; Linux, Docker, Kubernetes, CI/CD integration experience; Playwright and API testing; Jira/Zephyr; bachelor's degree.
SME Systems Engineer- API Gateway & Cloud Architecture
Sterling, Virginia, United States
$180k-$230k/yrOnsiteFull Time
Synergy ECP: Provides cybersecurity and systems engineering for defense agencies.
16+ YOEBachelor's in STEM, 16+ years' experience, DoD 8140/Security+ CE, 5+ years API Gateway experience (Broadcom preferred), expertise with Windows and cloud-hosted COTS, Java/Python/C#, AWS/Azure/GCP, Docker, Kubernetes, Agile, cloud architecture, troubleshooting, and system testing. TS/SCI w/ Poly required; U.S. citizenship required.
API Gateway, Broadcom API Gateway, MuleSoft, Apigee, Istio, Linkerd, ServiceNow, Docker, Kubernetes, Java, Python, C#, Windows, AWS, Microsoft Azure, Google Cloud, Message queues, Streaming platforms, ETL, COTS, MBSE
Northwest Federal Credit Union: Member-owned financial institution providing banking and lending services.
5+ YOEBachelor's in CS or related (or equivalent), 5+ years software developer experience, strong .NET (C#, ASP.NET), Web API/REST/SOAP, SQL, CI/CD, automated testing, AI/LLM exposure, agile/SDLC knowledge, strong communication; able to work hybrid.
.NET, C#, ASP.NET, Web APIs, REST, SOAP, SQL, CI/CD, MuleSoft Anypoint Platform, Fiserv DNA, Core API, DNA REST API, RPA, large language models (LLM), Microsoft Azure
Exostar: Cloud platforms for secure collaboration in regulated industries.
2+ YOE2+ years SDET/QA experience, strong automation skills in Python/TypeScript/C#, experience with API and UI testing, CI/CD (Azure DevOps or GitHub Actions), AI-assisted test workflows, and U.S. citizenship with ability to maintain a Trusted Role.
Python, TypeScript, Angular, .NET, C#, Microsoft Azure, Microsoft Azure DevOps, GitHub Actions, Claude Code, Copilot, Cursor, pytest, Playwright, Cypress, Selenium, Functionize, TOSCA, Postman, RestAssured, xUnit, NUnit, BrowseStack, TestRail, JMeter
EchoStarNasdaq: SATS: Global provider of satellite solutions and wireless communications services.
10+ YOEBachelor's in CS or Electrical/Electronics Engineering plus 10 years OSS/BSS experience; 5 years each in OSS/BSS test management, JIRA, Confluence, Qtest, Selenium, LoadRunner, Java/JSP/JavaScript, Oracle, microservices, Google Cloud Platform, Salesforce, Drupal, Kafka, Pub/Sub, agile, and automated API testing.
SAICNYSE: SAIC: Provides engineering, IT, and mission support services to government.
5+ YOE5+ years React and UI development experience, BS in CS/Engineering, TypeScript/JavaScript, HTML4/5, CSS/SCSS, Jest/Enzyme/React Testing Library, experience with complex backend APIs, strong communication and critical thinking.
React, Microsoft Visual Studio Code, TypeScript, JavaScript, MVC, MVVM, JSON, HTML4/5, CSS, SCSS, Jest, Enzyme, React Testing Library, Chrome DevTools
Frederick or California or Colorado or Illinois or Minnesota or New Jersey or New York or Oregon or Washington or United States
$85k-$117k/yrRemoteFull Time
Syms Strategic Group: Provides IT and professional services to federal government agencies.
8+ YOEU.S. citizen eligible for Public Trust,8+ years software development with Java and/or NodeJS,Angular,REST API design,cloud (AWS/Azure),Git/GitHub,unit/integration testing,healthcare/EDI experience preferred,Bachelor's in CS/Engineering.
Java, NodeJS, Angular, C#, .Net, AWS, API Gateway, Lambda, S3, CloudWatch, Git, GitHub, JUnit, Jest, Docker, ECS, EKS, JIRA, Microsoft Teams, Electronic Data Interchange X.12 (EDI), XML, JSON
NS2 Mission: Delivers secure data management and analytics for national security.
Bachelor's in a related technical field (or equivalent experience), experience with Java and Python, RESTful APIs, relational databases (PostgreSQL, Oracle, SQL Server, MySQL), Linux/Unix, Agile, version control and testing; TS/SCI with FSP required.