Web Application Development Jobs in Charleston, SC

The Web Application Tester is responsible for planning, executing, and documenting test activities to ensure that web-based applications meet functional, performance, security, and usability requirements. The tester will work closely with developers, product owners, and system engineers to identify defects, validate fixes, and contribute to the continuous improvement of quality assurance processes. This is a junior (but not entry-level) position and holds that level of responsibility.

A web application tester is a professional who evaluates web applications to ensure they function correctly, are secure, and provide a good user experience. They perform various types of testing, such as functionality, performance, and security testing, to identify and fix issues before the application is released to users.

· Key Responsibilities: Develop and execute detailed test plans, test cases, and test scripts for web-based applications.

· Conduct functional, regression, integration, and system testing of new and existing software releases. Validate application behavior across browsers, devices, and operating systems. Identify, document, and track software defects using issue-tracking tools (e.g., Jira, GitLab, or Azure DevOps). Collaborate with developers and system engineers to analyze test results and verify defect resolutions. Perform smoke and sanity testing during CI/CD deployments. Conduct API testing (REST/JSON) using tools such as Postman, SoapUI, or curl. Validate compliance with security, accessibility (Section 508), and performance standards. Participate in test reviews, sprint planning, and Agile ceremonies. Support automated testing initiatives and maintain regression test suites in Selenium, Cypress, or equivalent frameworks. Prepare detailed test reports and summarize findings for project leadership.

• Collaborative Agile development team supporting secure web application delivery.
• May involve testing in multiple environments (Dev, Test, Integration).
• Some testing may occur on classified or controlled networks.
• Operates in a professional office environment and uses standard office equipment such as computers and phones

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

• Ability to sit/ stand for up to 8 hours per day (with breaks)
• Ability to move freely for up to 8 hours per day

DISCLAIMER: The information contained herein is not intended to be an all-inclusive list of the duties and responsibilities of the job, nor are they intended to be an all-inclusive list of the skills and abilities required to do the job. While this is intended to be an accurate reflection of the current job, management reserves the right to revise the job or to require that other or different tasks be performed as assigned. This job description doesn't constitute a contract of employment and the company may exercise its employment-at-will rights at any time.

• U.S. citizenship and eligibility to obtain a Secret clearance.
• Bachelor’s degree in Computer Science, Information Systems, Engineering, or a related field (or equivalent experience).
• 2+ years of hands-on experience testing web applications.
• Strong understanding of software testing methodologies (Agile, Waterfall, V-Model).
• Familiarity with HTML, CSS, JavaScript, REST APIs, and browser developer tools.
• Experience with test management and defect tracking tools (Jira, TestRail, GitLab, etc.).
• Working knowledge of SQL and database validation.
• Excellent attention to detail, analytical thinking, and communication skills.

• Experience with automated testing tools (Selenium WebDriver, Cypress, Playwright).
• Exposure to DevSecOps environments and CI/CD pipelines.
• Familiarity with OpenShift/Kubernetes or cloud-based deployments.
• Experience testing web applications in secure government environments (DoD, IC, or FedRAMP).
• Active DoD Security Clearance (or ability to obtain one).