Dotnet Developers - Frontend & UI/UX
W2 Contract : Senior .NET Developer – Front-End / UI/UX Focus Location: Remote (Iowa-based candidates preferred) Work Arrangement: Fully Remote Engagement Type: Contract Job Overview We are looking for experienced Senior .NET Developers with strong front-end development, UI/UX, and accessibility expertise to develop, enhance, and support enterprise applications. The ideal candidates will have hands-on experience with .NET, C#, modern front-end technologies, enterprise design systems, and WCAG 2.1 AA accessibility standards. This role requires a balanced combination of backend development and front-end implementation, with a strong emphasis on accessible, responsive, user-friendly interfaces. Candidates must be comfortable working independently, supporting existing enterprise applications, and following modern development best practices. Important: Candidates must provide code samples or a portfolio demonstrating front-end development and UI work along with their resume.
Key Responsibilities
Develop, enhance, and maintain enterprise applications using .NET and C#, including MVC and Web Forms. Build responsive front-end interfaces using HTML5, CSS, Sass, and JavaScript. Apply UI/UX principles, design thinking, usability standards, and responsive design practices. Implement and extend components using Bootstrap, Material, and enterprise design systems. Develop accessible applications that comply with WCAG 2.1 AA and Section 508 standards. Perform accessibility testing and remediation using tools such as JAWS and axe. Develop and maintain backend services, REST APIs, middleware integrations, and SQL Server components. Follow secure coding practices, including appropriate encryption techniques and sensitive data handling. Manage source control, deployments, and CI/CD pipelines using Azure DevOps. Troubleshoot and resolve application defects and production issues. Support modernization and enhancement of existing enterprise applications. Collaborate with designers, developers, and other stakeholders to deliver reliable and accessible solutions.
Required Qualifications
Bachelor's degree in Human-Computer Interaction (HCI), Design, Computer Science, or a related field, or equivalent professional experience. Strong hands-on experience with .NET and C# development. Strong front-end development experience using HTML5, CSS, Sass, and JavaScript. Demonstrated knowledge of UI/UX principles, usability, responsive design, and design implementation. Experience working with enterprise design systems, beyond familiarity with individual UI frameworks or component libraries. Formal WCAG accessibility training and hands-on experience implementing and testing WCAG 2.1 AA standards. Experience using accessibility testing tools, including assistive technologies such as JAWS and automated tools such as axe. Recent experience with modern development frameworks and practices within the last three years. Experience with Azure DevOps and CI/CD pipelines. Working knowledge of SQL Server, APIs, and middleware integrations. Experience supporting enterprise production applications and handling sensitive or classified data. Ability to provide code samples or a portfolio demonstrating front-end and UI development work.
Preferred Qualifications
Accessibility certifications such as DHS Trusted Tester, IAAP WAS, or CPACC, or equivalent formal training. Graduate degree in HCI or a related discipline. Experience supporting government or healthcare applications. Experience with Angular, GitHub, and AWS services. Experience modernizing existing applications and working with legacy systems. Experience with secure enterprise application development and deployment. Interview Requirements Candidates should be prepared to demonstrate hands-on technical knowledge and discuss practical examples involving .NET, C#, Web Forms, HTML5, Sass, enterprise design systems, and accessibility implementation.