> Markdown version of [/jobs/ext/3055102-application-tester](https://www.wearedevelopers.com/jobs/ext/3055102-application-tester). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Application Tester

- **Company:** IntelliDyne
- **Location:** Washington, DC, United States
- **Experience:** Experienced
- **Salary:** $88,000.0 - $158,000.0
- **Contract:** Permanent contract
- **Skills:** Automation of Tests, Unit Testing, E2e Testing, Requirements Traceability, Selenium, Product Software Implementation Methods, SQL Databases, System Testing, Test Data, User-Centered Design, Test Scripts, System-level Testing, SC Clearance
- **Published:** September 24, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9189765/application-tester

## About the Role

* Active Secret Clearance
 * Bachelor degree in IT, Business or related field
 * 3+ years' experience with UAT, manual and automated (Selenium) testing, unit and system testing
 * Ability to create and execute test scripts and test documentation
 * Basic-to-intermediate SQL scripting experience
 * Familiarity with UX principles and system usability considerations
 * Strong analytical and problem-solving skills
 * Ability to work collaboratively with technical and non-technical teams

Compensation: $88,000 - $158,000

## Description

The Application Tester will be responsible for performing end-to-end testing and supporting the implementation of software applications across single-function and multi-function environments. This role ensures quality, usability, and functional reliability by executing a full range of testing activities and collaborating with development and UX teams., * Conduct end-to-end testing on new and existing applications

 * Develop, maintain, and execute detailed test scripts and test plans
 * Perform multiple testing types, including:
 + User Acceptance Testing (UAT)
 + Manual testing
 + Automated testing (Selenium)
 + Unit testing
 + System testing
 * Validate system behavior, identify defects, and ensure requirements traceability
 * Collaborate with developers and stakeholders to support application implementation
 * Perform system-level testing with exposure to user experience (UX) considerations
 * Use SQL for test data setup, validation, and troubleshooting
 * Document defects, test results, and provide clear feedback for remediation


## Related Videos

- [Proactive monitoring and smoke testing in your production environment](https://www.wearedevelopers.com/videos/139-proactive-monitoring-and-smoke-testing-in-your-production-environment)
- [Dirty Tests And How To Clean Them](https://www.wearedevelopers.com/videos/515-dirty-tests-and-how-to-clean-them)
- [Continuous testing - run automated tests for every change!](https://www.wearedevelopers.com/videos/190-continuous-testing-run-automated-tests-for-every-change)
- [Let's get visual - Visual testing in your project](https://www.wearedevelopers.com/videos/540-let-s-get-visual-visual-testing-in-your-project)
- [Why Testing Matters in AI  - Luise Freese and Elio Struyf](https://www.wearedevelopers.com/videos/1837-why-testing-matters-in-ai-luise-freese-and-elio-struyf)
- [Why I Love End-2-End Tests and How To Get Them Right](https://www.wearedevelopers.com/videos/996-why-i-love-end-2-end-tests-and-how-to-get-them-right)

## Related Articles

- [The 8 Best Code Testing Tools](https://www.wearedevelopers.com/magazine/402-the-8-best-code-testing-tools)
- [Integration And E2E Testing: Are They Complementary or Interchangeable?](https://www.wearedevelopers.com/magazine/86-integration-and-e2e-testing-are-they-complementary-or-interchangeable)
- [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market)
- [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology)
- [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers)
- [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries)