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Cursor Developer Jobs in Washington (NOW HIRING)

Exostar

QA Engineer

Herndon, VA · On-site

Use AI tools - Claude Code, Copilot, Cursor - as a native part of your test authoring workflow to ... Good to have experience with Azure DevOps pipelines or GitHub Actions for CI/CD-integrated test ...

Mondo

Software Engineer

Centreville, VA · Remote

$100/hr

Software Engineer, location is Remote. The start date is July 27 for this contract-to-hire position ... Experience with AI-assisted development tools such as GitHub Copilot, Cursor, or Claude Code

SAIC

AI Solutions Engineer

Washington, DC · On-site +1

$160K - $200K/yr

Cloud Comp Engr Schedule: Full-Time Shift: Day Job Travel: Yes - 10% of the time Minimum Clearance ... Experience with frontier models and tools such as Claude Code, Codex, OpenCode, or Cursor is ...

Range

Staff Engineer

Mclean, VA · On-site

... Cursor, etc.) -- not just prompting, but knowing when the output is wrong, why, and how to fix it • Strong mentorship track record -- you've meaningfully grown the careers of other engineers ...

SZNS Solutions LLC

Engineering Manager

Reston, VA · On-site

As an Engineering Manager, you will lead our talented engineering team and work closely with ... Active daily use of AI-enabled coding tools (e.g., Cursor, GitHub Copilot, or Claude Code) to ...

SZNS Solutions LLC

Engineering Manager

Reston, VA · On-site

As an Engineering Manager, you will lead our talented engineering team and work closely with ... Active daily use of AI-enabled coding tools (e.g., Cursor, GitHub Copilot, or Claude Code) to ...

SZNS Solutions LLC

Engineering Manager

Reston, VA

As an Engineering Manager, you will lead our talented engineering team and work closely with ... Active daily use of AI-enabled coding tools (e.g., Cursor, GitHub Copilot, or Claude Code) to ...

State Affairs

Software Engineer

Washington, DC

$120K - $210K/yr

Software Engineers own userfacing features endtoend: slick React/NextJS interfaces, performant Node ... Ability to utilize LLM tools (Claude-Code, Cursor, Codex) to accelerate coding and debugging ...

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Infographic showing various Cursor Developer job openings in Washington as of July 2026, with employment types broken down into 90% Full Time, 7% Part Time, 2% Contract, and 1% Nights. Highlights an 80% Physical, 3% Hybrid, and 17% Remote job distribution.
QA Engineer

QA Engineer

Exostar

Herndon, VA • On-site

Full-time

Posted 15 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.
  • Nice to have experience 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 framework is a plus.

AI-Native Workflow
  • Preferred 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.
  • Good to have experience with Azure DevOps pipelines or GitHub Actions for CI/CD-integrated test execution.
  • 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 plus)
  • 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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