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Entry Level Rest Api Testing Jobs in Virginia (NOW HIRING)

Exostar

QA Engineer

Herndon, VA · On-site

Experience testing REST APIs with tools like Postman, RestAssured, or custom automation frameworks. * Comfortable across the stack - API contracts, UI behavior, database state, and integration seams.

SEACORP

AI/ML Data Architecture Software Engineer

Manassas, VA · On-site

$107K - $128K/yr

... testing of data warehouse technologies including development of new products and enhancements of ... API, and prototype development. Qualifications : Required : • Bachelor's Degree in Computer ...

Techead

ASP.net Developer

Richmond, VA · On-site

Experience with automated testing * Familiarity with common software design patterns * Ability to ... NET MVC, Web API • Understanding of REST architectural design principles • ORM and Dependency ...

Techead

ASP.net Developer

Richmond, VA

Experience with automated testing * Familiarity with common software design patterns * Ability to ... NET MVC, Web API Understanding of REST architectural design principles ORM and Dependency Injection ...

SAIC

Automation Engineer Junior

Ashburn, VA · Hybrid

$40K - $80K/yr

ORA_ON_SITE Description We are currently seeking a motivated and energetic entry-level Automation ... API Service testing using tools such as Soap UI and Postman with basic JSON and XML knowledge.

SAIC

Automation Engineer Junior

Ashburn, VA · On-site

$40K - $80K/yr

Description We are currently seeking a motivated and energetic entry-level Automation Engineer to ... API Service testing using tools such as Soap UI and Postman with basic JSON and XML knowledge.

Esri

Software Development Engineer II- Back End

Vienna, VA · On-site

$97K - $162K/yr

Improve reliability and performance through API design, testing, monitoring, and observability ... Experience designing and building REST APIs and service-based architectures * Experience extending ...

Chenega Corporation

Jr. Backend Developer

Vienna, VA

Improve reliability and performance through API design, testing, monitoring, and observability ... Experience designing and building REST APIs and service-based architectures * Experience extending ...

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All JobsRest Api Testing JobsEntry Level Rest Api Testing JobsEntry Level Rest Api Testing Jobs in Virginia

Entry Level Rest Api Testing information

What are the key skills and qualifications needed to thrive as an Entry Level REST API Tester, and why are they important?

To thrive as an Entry Level REST API Tester, you need a solid understanding of HTTP protocols, API concepts, and basic programming knowledge, often supported by a degree in computer science or a related field. Familiarity with testing tools like Postman, Swagger, and automation frameworks, as well as experience with version control systems such as Git, is typically required. Attention to detail, analytical thinking, and effective communication are crucial soft skills for identifying issues and collaborating with development teams. These skills ensure accurate API validation, efficient bug detection, and smooth team workflows in software development environments.

What is entry level REST API testing?

Entry level REST API testing involves verifying that web APIs function correctly, respond with the expected data, and handle errors appropriately. Testers at this level typically use tools like Postman or automated scripts to send requests to APIs and check the responses for accuracy. They focus on basic functionality, data validation, and ensuring that the API meets specified requirements. Entry level testers may also help document test cases and report issues found during testing.

What are the typical challenges faced by entry-level REST API testers and how can they overcome them?

Entry-level REST API testers often encounter challenges such as understanding complex API documentation, handling authentication methods, and identifying key test cases for different endpoints. To overcome these, it's helpful to start with thorough documentation review and use tools like Postman or Insomnia to visualize API requests and responses. Collaborating closely with developers can also clarify endpoint purposes and expected behaviors, while practicing with sample APIs and leveraging automated testing frameworks can boost confidence and efficiency.
What are the most commonly searched types of Rest Api Testing jobs in Virginia? The most popular types of Rest Api Testing jobs in Virginia are:
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What cities in Virginia are hiring for Entry Level Rest Api Testing jobs? Cities in Virginia with the most Entry Level Rest Api Testing job openings:
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Infographic showing various Entry Level Rest Api Testing job openings in Virginia as of July 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution.
QA Engineer

QA Engineer

Exostar

Herndon, VA • On-site

Full-time

Re-posted 5 days ago

Job description

Exostar is seeking a detail-oriented, quality-first QA Engineer who delivers confidence at the same pace our engineering team delivers code. This is not a manual testing or checkbox role. We're seeking a hands-on quality engineer who leads with automation, leverages AI tools to stay ahead of development, and approaches every feature with a critical, adversarial mindset before it reaches production.
In this role, you will own quality across mission-critical systems in FedRAMP Moderate and CMMC Level 2 environments supporting major defense contractors. You'll define test strategies in the face of ambiguity, build robust automation to prevent regressions, and harness AI-driven tools to create, expand, and continuously improve test coverage-far beyond what manual processes can achieve.
Responsibilities:
Your day if you join us:
Test & Automate (70%+)
  • Design, build, and maintain automated test suites across API, UI, integration, and regression layers using Python, TypeScript, or equivalent.
  • Use AI tools - Claude Code, Copilot, Cursor - as a native part of your test authoring workflow to generate test cases, expand coverage, and identify edge cases you haven't thought of yet.
  • Own test strategy end-to-end: requirements analysis → test design → automation → CI/CD integration → triage and maintenance.
  • Build and maintain test infrastructure: frameworks, fixtures, mock services, and CI pipeline integration on Azure DevOps or GitHub Actions.
  • Perform exploratory and risk-based testing against Angular/TypeScript frontends, .NET/C# and Python backends, and Azure-hosted microservices.
  • Test and validate security controls in FedRAMP and CMMC-regulated environments - including access controls, audit logging, and data handling requirements.

Raise the Bar (20%)
  • Your test patterns become the reference standard for quality engineering across the team.
  • Review PRs with a quality lens - not just for bugs, but for testability, observability, and maintainability.
  • Share AI-augmented testing techniques: prompt-driven test generation, AI-assisted coverage analysis, and workflow automation.
  • Mentor engineers on writing testable code and building quality-first habits.
  • Write practical test documentation: test plans, coverage maps, and failure postmortems - not slide decks.

Inform Technical Direction (10%)
  • Surface quality signals that matter: flaky test patterns, coverage gaps, regression hotspots, and automation ROI.
  • Evaluate testing tools by using them in real environments against real data - not benchmarks.
  • Identify the technical debt in test infrastructure that actually slows release velocity.

Qualifications:
You are a great fit for this role if you:
Required:
You are a Test Builder
  • 2+ years of hands-on QA or SDET engineering - writing and maintaining automated tests, not just running them.
  • Track record of building test suites that catch real bugs, not just verifying happy paths.
  • Proficiency in at least one: Python (pytest), TypeScript/JavaScript (Playwright, Cypress), or C# (xUnit, NUnit).
  • 2+ years of experience with any one the tools: Functionize, TOSCA, Selenium, Claude Code.
  • Experience testing REST APIs with tools like Postman, RestAssured, or custom automation frameworks.
  • Comfortable across the stack - API contracts, UI behavior, database state, and integration seams.

AI-Native Workflow
  • Daily user of Claude Code, Copilot, Cursor, or equivalent AI tools - specifically for test generation, coverage gap analysis, and exploratory test ideation.
  • Clear mental model of where AI-generated tests are reliable and where they need human judgment.
  • Demonstrated examples of using AI to expand test coverage faster and catch edge cases that manual review missed.

Judgment & Engineering Maturity
  • Thrives in ambiguity - can derive a test strategy from incomplete requirements and ship it.
  • Risk-based testing instincts: knows which tests matter most and which can wait.
  • Clear, precise written communication - test plans, bug reports, and failure analyses.
  • Experience testing in regulated environments (FedRAMP, CMMC, ITAR, SOC 2, HIPAA).

Due to customer requirements, U.S. Citizenship is required. Ability to gain and maintain Trusted Role is required
Preferred Qualifications
You are exactly who we are looking for if you have:
  • Experience with Playwright, Cypress, or Selenium for end-to-end UI automation.
  • Experience with BrowseStack, TestRail.
  • Performance and load testing experience with JMeter.
  • Azure DevOps pipelines or GitHub Actions for CI/CD-integrated test execution.
  • Security testing fundamentals: OWASP Top 10, access control validation, audit log verification.
  • Experience testing Angular frontends and .NET or Python backends in a microservices architecture.
  • Azure Government (IL2/IL4/IL5) or FedRAMP Moderate environment experience
  • Agentic AI testing experience - using AI tools to drive test generation, mutation testing, or fuzz testing workflows.
  • A portfolio or side project demonstrating AI-augmented test engineering.

ABOUT EXOSTAR
Exostar's cloud-based platforms create exclusive communities within the Aerospace and Defense, Life Sciences, and other highly regulated industries where members securely collaborate, share information, and operate compliantly. Within these communities we build trust. By analyzing community data, we provide insights and intelligence, enabling organizations to make better, timelier decisions, to mitigate risk, and operate more efficiently.
  • We believe in employee development: we promote internally and provide training and educational assistance.
  • We provide a fun, engaged workplace, with social and community-building events.
  • We offer comprehensive benefits and flexible time-off plans.

Exostar is an Equal Opportunity Employment Employer. The company provides equal employment opportunities to all applicants without regard to race, color, religion, sex, national origin, age, marital status, disability status or genetic information. Exostar is committed to providing equal employment opportunities for all persons in all facets of employment including recruiting, hiring, compensation, promotion, training, benefits, transfers and working conditions.
Equal Opportunity Employer
This employer is required to notify all applicants of their rights pursuant to federal employment laws. For further information, please review the Know Your Rights notice from the Department of Labor.

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