API QA jobs in Gaithersburg, MD

Ashburn, Virginia

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Today

Job ID: 2617638 Location: Ashburn, VA, US Date Posted: 2026-10-06 Category: Software Subcategory: SW Testing Schedule: Full-Time Shift: Day Job Travel: No Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: ORA_HYBRID Description SAIC is currently seeking a motivated, career and customer-oriented mid-level Automation Engineer to join our team to begin an exciting and challenging career in Ashburn, VA. This position is hybrid-

Full-time

USD 80,001.00 - 120,000.00 per year

Systems Engineer, Mid-level

Sterling, Virginia

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Today

Job Title: Systems Engineer, Mid-level Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Continental US Anticipated Posting End: 12/20/2026 The Opportunity: As a Systems Engineer on the FADE team, you will be working closely with our agile development, product owners, infrastructure, site reliability engineering, and security teams to manage and track c

Full-time

USD 82,100.00 - 172,400.00 per year

Sr. Automation Test Engineer

Fairfax, Virginia

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Today

Job#: 3055302 Job Description: We are seeking a Automation Test Engineer to lead the design, development, and optimization of enterprise-scale test automation solutions across web applications, APIs, and microservices. This hands-on technical leadership role supports mission-critical systems within the EEOC environment by driving software quality, automation maturity, and modern AI-enabled quality engineering practices. The ideal candidate will collaborate closely with Quality Assurance, Softwa

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Full-time

$49 - $57 per hour

Mid-Level Test Engineer

Gaithersburg, Maryland

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Today

Description Job Description: Are you passionate about delivering high-quality software that directly supports our nation's security? Leidos is seeking an experienced Mid-Level Test Engineer to join the Chinook Program supporting an Intelligence Community customer. This is an opportunity to work alongside talented engineers, software developers, product managers, and mission experts to build innovative geospatial intelligence capabilities that enable critical national security missions. If you'

Full-time

USD 87,100.00 - 157,450.00 per year

Test Engineering Analyst-ML/AI Chatbot

Hybrid in Laurel, Maryland

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6d ago

Absolutely no third parties please !! This position is a hybrid opportunity (1-2x onsite per week in Maryland and/or Wash DC office). Our direct client is seeking a Machine Learning, AI Chatbot Test Engineering Analyst to our client's team to drive innovation in AI-powered division leveraging Chatbots within their proprietary platform for external information. This is a great opportunity to work with cutting-edge AI and automation technologies. We are seeking a Test Engineer/SDET with 5+ years

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Contract

QA Engineer

Vienna, Virginia

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Today

A technology company focused on identity verification and data services is hiring a QA Engineer to join its engineering team. This is an automation-heavy role focused on web application testing, API testing, and improving an existing Java-based automation framework. Requirements 3-5 years of QA Automation / SDET experience Hands-on experience with Java Proven experience with Selenium Experience working with TestNG Solid Postman / API testing experience Web application testing experience Experi

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Full-time

$120000 - $130000

Senior Software QA Engineer

Hybrid in Falls Church, Virginia

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2d ago

About us: Creative Information Technology Inc (CITI) is an esteemed IT enterprise renowned for its exceptional customer service and innovation. We serve both government and commercial sectors, offering a range of solutions such as Healthcare IT, Human Services, Identity Credentialing, Cloud Computing, and Big Data Analytics. With clients in the US and abroad, we hold key contract vehicles including GSA IT Schedule 70, NIH CIO-SP3, GSA Alliant, and DHS-Eagle II. Join us in driving growth and sei

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Full-time

Depends on Experience

Senior Full Stack Engineer

Reston, Virginia

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Today

Location: Reston, Virginia Type: Contract Job #107424 Senior Full Stack Software Engineer Location: Reston, VA Contract: 7-Months with potential extension based on business needs Compensation: $87.32/hr W2 About the Role: We are seeking a Senior Full Stack Software Engineer to help build and enhance highly scalable cloud-based applications. This role will focus on full stack development using modern JavaScript technologies and AWS serverless architecture while contributing to automated testin

Full-time

USD 87.32 per hour

Test Engineer

Springfield, Virginia

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Today

Overview Integral Federal is seeking Test Engineers to perform functional, regression, integration, workflow, interface, and operational testing for JPES/JCRM. Responsibilities Develop and execute test cases.Conduct functional and regression testing.Perform integration/interface testing.Reproduce and document defects.Validate defect corrections.Generate test evidence and results.Support CIT, GAT, UFL/UAT, and fielding activities.Support patch and release testing. Qualifications Required: BA

Full-time

USD 105,000.00 - 130,000.00 per year

Automated Test Engineer SME

Chantilly, Virginia

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Today

Leidos is seeking an Application Tester for a technical development program of 200+ FTE supporting the Sponsor's Attribute/Entitlement Services within the IDAM/ICAM space. The Test Engineer will support the test of access control systems for a government customer. The successful candidate will support continuity of our customer's mission by helping ensure secure, reliable, and uninterrupted availability of IT systems. Key Responsibilities: Design, develop, and maintain test plans for web, mobil

Full-time

USD 139,100.00 - 251,450.00 per year

Test Engineer

Gaithersburg, Maryland

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Today

Leidos is seeking a Test Engineer to join the Air Traffic Business Area within the Homeland Sector, supporting the development of the Leidos Common Automation Platform (L-CAP). L-CAP is a mission-critical, future-ready automation platform built on a hybrid cloud data mesh architecture, enabling next-generation air traffic management capabilities. We are building with an AI-first engineering mindset, embracing emerging AI capabilities and modern development practices to accelerate delivery, impro

Full-time

USD 73,450.00 - 132,775.00 per year

Test Automation Engineer

Fort Meade, Maryland

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Today

Overview Integral Federal is seeking a Test Automation Engineer to develop and maintain automated regression, API, integration, and pipeline-based testing for JPES/JCRM. Responsibilities Develop automated regression tests.Automate API and integration testing.Integrate test automation into CI/CD pipelines.Maintain automated test suites.Increase automated coverage of complex business rules.Analyze automated test failures.Support release-readiness evidence.Coordinate automation with developers a

Full-time

USD 120,000.00 - 150,000.00 per year

Automation Test Engineer

Columbia, Maryland

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Today

We have an immediate need for an Automated Test Engineer to support a data distribution and validation system and to ensure the quality, reliability, and performance. The ideal candidate is detail-oriented, passionate about software quality, and has a strong background in developing robust automated test suites. This role involves close collaboration with a cross-functional Agile team of software developers, system engineers, and product owners to validate functional enhancements and support the

Full-time

USD 114,375.00 - 174,233.00 per year

Test Engineer - Senior

Chantilly, Virginia

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Today

At Accenture Federal Services, nothing matters more than helping the US federal government make the nation stronger and safer and life better for people. Our 13,000+ people are united in a shared purpose to pursue the limitless potential of technology and ingenuity for clients across defense, national security, public safety, civilian, and military health organizations. Join Accenture Federal Services, a technology company within global Accenture. Recognized as a Glassdoor Top 100 Best Place to

Full-time

USD 91,300.00 - 184,900.00 per year

Senior Test Engineer - 25k Sign on Bonus

Columbia, Maryland

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Today

Leidos has a new and exciting opportunity for a Senior Test Engineer in our Intelligence Sector's Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible S

Full-time

USD 116,350.00 - 210,325.00 per year

Software Engineer

Fort Meade, Maryland

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Today

Que Technology Group, Inc., is seeking a motivated Software Engineer tohelp ensure the quality, reliability, and performance of our AdmitIT product. Job responsibilities include, but are not limited to: Design and execute test plans, identify defects, collaborate closely with development teams, and contribute to continuous improvement of our testing processes. Work across manual and automated testing, balance thoroughness with delivery timelines, and help raise the overall quality bar.Required

Full-time

Performance Test Engineer

Ashburn, Virginia

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Today

About Niyam IT (Niyam) Founded in 2007 by a team of visionary consultants, Niyam IT was built on the belief that exceptional technology solutions are created through the perfect balance of disciplined processes, innovation, and passion. For nearly 20 years, we have been a trusted partner to the U.S. Federal Government, delivering mission-critical IT solutions that support Emergency Preparedness and Response, Civilian Agencies, Law Enforcement, and Public Safety organizations across the nation.

Full-time

Automation Engineer

Ashburn, Virginia

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Today

About Niyam IT (Niyam) Niyam was founded in 2007 by a group of consultants who shared a unique vision: a technology company steeped in orderly process yet driven by passion and innovation. For nearly two decades, we have served the U.S. Federal government delivering mission-critical IT solutions across Emergency Preparedness and Response, Civilian Agency Services, and Law Enforcement and Public Safety. Niyam is CMMI DEV Level 3 accredited and ISO certified (ISO 9001:2015, ISO/IEC 20000-1, ISO/

Full-time

AdmitIT Test Engineer Software Engineer 2 (TS/SCI with Poly)

Fort Meade, Maryland

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Today

Job Type Full-time Description Take the next steps to your professional success as Solerity is a recognized leader in providing Information Technology, Engineering Services, Program Management and Consulting Services to the U.S Federal Government and our Intel Community. We enable our clients to achieve their organizational initiatives through the application of high quality, innovative and cost-effective professional services, and solutions. Solerity needs your support to help us provide thes

Full-time

Web Development Quality Control Engineer

Chantilly, Virginia

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Today

Job Title: Web Development Quality Control Engineer Job Category: Engineering and Technical Support Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: None Type of Travel: None * * * The Opportunity CACI is seeking a Web Development Tester to play a vital role in delivering high-quality, mission-critical web applications. You'll work closely with Agile teams to ensure the software supporting our customers

Full-time

USD 78,700.00 - 165,200.00 per year

API QA jobs in Gaithersburg, MD, USA