Software Engineer – Front-End Focus (.NET) - (Remote)

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 cutting-edge technologies, exceptional customer service, and a collaborative work environment.

This is a fully remote, full-time position.

We are seeking a seasoned Software Engineer with a strong Front-End Focus and a robust background in the .NET ecosystem and Azure cloud services. In this role, you will drive the modernization and transformation of enterprise user interfaces, ensuring that our scalable backend solutions are matched with high-performing, accessible, and seamless front-end experiences. 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.

Responsibilities 

• Design, develop, and deploy highly responsive web applications, user interfaces, and supporting backend APIs using React, Next.js, and the .NET framework.
• Collaborate closely with stakeholders (e.g., business stakeholders, product owners, UX/UI designers, and end users) to translate functional requirements and wireframes into elegant, accessible code.
• Implement robust client-side routing, state management, and styling architectures to optimize application performance and responsive layouts.
• Integrate frontend applications seamlessly with Azure cloud services and secure RESTful APIs.
• Manage CI/CD pipelines using TFS and Octopus Deploy to ensure smooth and automated application delivery.
• Identify front-end performance bottlenecks, debug complex UI/UX or API issues, and devise clean, maintainable solutions.
• Champion front-end best practices, including code reusability, semantic HTML, modern CSS methodologies, and strict web accessibility standards.

Requirements

Core Technical Stack & Tooling:

• Core MVC ASP.NET
• React, Next JS
• Web development CSS
• Accessibility ARIA, etc
• Security/Auth
• Comfortable with Agentic AI -assisted development

Background & Cloud Experience:

• Must be able to attain low-level security clearance.
• Ability to pass a federal background check successfully and maintain eligibility for continued access authorizations, including periodic drug screenings.
• Bachelor’s degree in Computer Science, Engineering, or a related field.
• Minimum of 3-7 years of hands-on experience in full-stack development with a heavy emphasis on modern front-end frameworks and .NET/Azure cloud solutions.
• Deep proficiency in the .NET framework, especially in ASP.NET Core, MVC, Entity Framework, and LINQ.
• Demonstrable experience integrating front-end clients with Azure services such as Azure Web Apps, Azure Functions, and Azure SQL Database.
• Hands-on experience with version control tools, preferably Git.
• Practical experience managing or interacting with CI/CD tools like Team Foundation Server (TFS) and Octopus Deploy.
• Solid experience with SQL database design, optimization, and querying techniques to support data-driven UI components.
• Strong proficiency in developing, integrating, and managing secure RESTful APIs.
• Previous work in an agile environment and a thorough understanding of Scrum or other agile methodologies.
• Familiarity with web application security standards and protocols, including but not limited to OAuth, JWT, and secure coding best practices.
• Exceptional verbal and written communication abilities to effectively bridge the gap between technical implementation and non-technical business needs.

Clearance

Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for access to classified information.

Desirable Skills 

• Strong expertise in .NET Core, especially for web API development and integration. 
• PA11Y (nice to have)
• Razor and Blazor (nice to have)
• Proficiency in front-end development using TypeScript to enforce type safety across modern JavaScript frameworks.
• Strong expertise in .NET Core for modular web API development