Senior Software Engineer - UI/UX & Front-End Engineering

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Senior Software Engineer - UI/UX & Front-End Engineering

By / August 25, 2026

• Location: Reston, Virginia
• Type: Contract
• Job #106306

Job Title:

Senior Software Engineer with a UI/UX and Front-End Engineering

Location:

Reston, Virgina

Job Type:

Full-time, 6-month, On-Going Contract, W2

Schedule:

Monday - Friday, Remote

Pay Range:

$85.91 per hour

Visa sponsorship is not available now or in the near future.

Job Description:

Key Responsibilities

• Design, develop, and maintain accessible, user-centered interfaces for complex enterprise applications.

• Translate business requirements and user needs into intuitive, scalable, and reliable web-based solutions.

• Develop front-end and full-stack functionality using ASP.NET MVC 5 and C# within an established enterprise environment.

• Design and document technical solutions, workflows, and application enhancements.

• Build and integrate interfaces with internal and external systems through RESTful APIs.

• Support application testing, defect resolution, release activities, and production deployments.

• Analyze existing applications and workflows to improve usability, accessibility, data quality, and operational efficiency.

• Partner with business stakeholders, UX teams, developers, and operations teams to deliver high-quality solutions on schedule.

Requirements

• 5-8+ years of professional software development experience with a strong focus on front-end and UI development.

• Strong proficiency with HTML5, CSS3, JavaScript, and jQuery.

• Experience developing applications using C# and ASP.NET MVC 5.

• Experience supporting full-stack .NET applications in a Windows environment.

• Strong knowledge of Microsoft SQL Server, including data modeling, stored procedures, views, and T-SQL development.

• Experience implementing web accessibility standards including WCAG 2.1/2.2 AA and Section 508 compliance.

• Hands-on experience with ARIA, semantic HTML, keyboard navigation, focus management, and assistive technology testing.

• Understanding of object-oriented programming principles, software design patterns, and core computer science fundamentals.

• Experience consuming and developing RESTful APIs.

• Experience with unit testing and software development lifecycle (SDLC) best practices.

• Ability to troubleshoot complex UI issues, browser compatibility challenges, and application defects.

Preferred Qualifications

• Experience working with DevExpress UI components and reporting tools.

• Exposure to usability testing, accessibility reviews, or accessibility audits.

• Familiarity with design and prototyping platforms such as Figma or Adobe XD.

• Experience supporting higher education, student information, or financial aid systems.

• Experience modernizing or maintaining legacy .NET applications.

• Familiarity with Agile and Scrum delivery methodologies.

• Exposure to CI/CD pipelines and automated deployment processes.

• Accessibility, UX, or human-centered design certifications such as IAAP CPACC or WAS.

• Experience advocating for accessibility and user-centered practices across technical and business teams.

Skills

• User Interface (UI) Development

• User Experience (UX) Design

• Information Architecture

• Interaction Design

• Visual Hierarchy Design

• Usability Best Practices

• Accessibility Compliance

• Semantic Markup Development

• Cross-Browser Compatibility

• API Integration

• Technical Documentation

• Requirements Analysis

• Debugging and Problem Solving

• Quality Assurance Support

• Stakeholder Collaboration

• Verbal and Written Communication

Education

• Bachelor's degree in Computer Science, Human-Computer Interaction, Design, Engineering, or a related discipline.

• Equivalent combination of education and relevant professional experience will also be considered.

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