via Adp
$55K - 90K a year
Design and execute comprehensive manual and automated test strategies to validate full-stack functionality, performance, and security.
Requires a Bachelor's degree and at least 5 years of experience in software quality assurance and testing for enterprise-scale web applications.
Everforth ECS is seeking a Software Development Test Engineer to work in a Arlington, VA (Hybrid). About the Role ECS seeks a dynamic and experienced Software Development Test Engineer to ensure the quality, reliability, and security of a large-scale, public-facing web platform serving enterprise clients managing critical digital infrastructure. You'll work embedded within an agile development team, collaborating closely with developers, team leads, UX/UI designers, and product stakeholders to deliver accessible, secure, and high-quality solutions. This platform includes complex features such as multi-entity account management, infrastructure services provisioning, secure administrative workflows, and domain management capabilities. A strong desire and aptitude for learning is essential—our solution is rapidly evolving with new requirements, technologies, and an ever-changing threat landscape. The ideal candidate will bring both manual and automated testing expertise, a passion for quality advocacy, and the ability to think holistically about system reliability across the full stack. Job Responsibilities * Design, develop, and execute comprehensive test strategies including manual and automated testing to validate functionality, performance, security, and accessibility across the full stack (frontend UI, backend APIs, database operations, domain registry/DNS operations, and complex end-to-end workflows) * Build and maintain automated testing frameworks, integrate testing into CI/CD pipelines, and proactively recommend improvements to increase automation coverage and testing efficiency * Ensure compliance with federal accessibility standards (WCAG 2.1 AA / Section 508) and security requirements (Federal ATO, Login.gov/OIDC authentication), incorporating automated accessibility and security testing into development workflows * Identify, document, track, and verify resolution of defects using issue tracking systems; maintain test documentation and provide clear reporting on testing progress, coverage, and quality metrics * Collaborate with developers, the Technical Team Lead, product managers, and UX/UI designers throughout the agile development lifecycle—participating in sprint ceremonies, code reviews, and requirements discussions while serving as a quality advocate and identifying testability concerns early * Continuously evaluate and recommend testing tools, methodologies, and process improvements that enhance team effectiveness and align with modern web application best practices Salary Range: $140,000 - $160,000 General Description of Benefits [https://ecstech.com/careers/benefits] Qualifications * Must be a US Citizen * Must be able to obtain a Public Trust Clearance * Bachelor's Degree in Computer Science, Information Systems, Engineering, or related technical discipline * 5+ years of experience in software quality assurance and testing, with a mix of manual and automated testing * 5+ years of hands-on experience testing enterprise-scale web applications built with modern web technologies (Python/Django and JavaScript frameworks) * 5+ years of experience developing and maintaining automated test frameworks (e.g., Selenium, Playwright, Cypress, pytest, or similar) * Experience testing full stack web applications including frontend UI, backend APIs, and database interactions * Experience with testing in Agile/Scrum environments and integrating testing into SecDevOps/CI/CD pipelines * Working knowledge of Git-based version control and pull-request workflows * Experience with issue-tracking and test management tools (Jira, TestRail, GitHub, or similar) * Experience with accessibility testing to meet WCAG 2.1 AA / Section 508 standards, including use of automated accessibility testing tools * Experience testing applications that must meet federal security requirements and compliance standards * Strong analytical and problem-solving skills with attention to detail * Excellent communication skills with both technical and non-technical stakeholders * Experience with testing cloud-deployed, containerized applications * Experience testing relational database operations and API integrations
This job posting was last updated on 9/2/2026