QA Automation Engineer

## About the role Residency Requirement: Candidates MUST have lived in the U.S. for at least 3 of the past 5 years and be authorized to work in the U.S. (Citizen, Permanent Resident, or EAD). Sponsorship: This position does not offer any type of sponsorship. Candidates must already be authorized to work in the U.S. (e.g., Citizen, Permanent Resident, or EAD). Clearance: Public Trust Clearance (or ability to obtain) ArcheSys is a technology firm specializing in innovative cloud solutions and services for clients across various industries. We pride ourselves on our cutting-edge technologies, exceptional customer service, and collaborative work environment. We are seeking a Software Engineer with an intermediate-level full-stack background to join our core engineering team. The successful candidate will play a key role in driving the transformation of enterprise applications, focusing on robust, scalable solutions. With a strong emphasis on collaboration, innovation, and continuous improvement, you'll be at the forefront of ensuring the delivery of top-tier solutions for our customers. This is a fully remote, full-time position. ## Key Responsibilities - Full-Stack Feature Delivery: Design, build, and maintain features across the entire application lifecycle, leveraging .NET backends and modern React / Next.js frontends. - Rigorous Testing & Quality Assurance: Architect and implement robust automated testing suites, writing comprehensive unit and integration test cases to ensure high code stability and prevent regressions. - Database & Query Optimization: Write clean, efficient SQL code, design relational database schemas, and optimize database queries and data access layers. - Type-Safe Web Development: Develop interactive, clean UI components using TypeScript alongside cutting-edge frontend architectures. - AI-Assisted Engineering: Embrace and comfortably leverage Agentic AI-assisted development tools to accelerate software delivery, automate testing boilerplate, and maximize day-to-day engineering velocity. - Cross-Functional Collaboration: Partner with product owners, technical leads, and stakeholders to clarify requirements and iterate in an Agile/Scrum delivery rhythm. ## Requirements ## Clearance & Eligibility - Must be able to attain a low-level security clearance. - Ability to pass a federal/sttate background check successfully and maintain eligibility for continued access authorizations, including periodic drug screenings. ## Education & Experience - Bachelor's degree in Computer Science, Engineering, or a related field. - Minimum of 3 years of hands-on professional software engineering experience. ## Required Technical Stack Experience - Automated testing frameworks and strategies. - Unit and integration test case development (e.g., xUnit, NUnit, Jest, or Cypress). - SQL database design, querying, and optimization. - .NET (C#, ASP.NET Core) backend architectures. - TypeScript and modern JavaScript development. - React and Next.js web frameworks. - Comfortable with Agentic AI-as