Senior Front-End UI/UX Engineer

Accylerate; United States; On-site; USD 110,000 - 150,000; Full time

Job summary

Accylerate is seeking a Senior Front-End UI/UX Engineer to design, develop, and maintain accessible enterprise interfaces built on ASP.NET MVC 5. You will blend hands-on coding with UI/UX sensibility to translate business needs into clean, usable experiences.

The role requires strong front-end craft, testing, and documentation, with collaboration across stakeholders, designers, and cross-functional teams. You will contribute to accessibility compliance and production-ready solutions in a Windows

Qualifications

• 5–8+ years of professional software development experience, with a focus on front-end/UI development.
• Strong proficiency in HTML5, CSS3, JavaScript, and jQuery, with clean, semantic markup.
• Experience applying UI/UX design principles to real product interfaces.
• Hands-on accessibility: WCAG 2.1/2.2 AA and Section 508.
• ARIA roles/attributes, semantic HTML, keyboard navigation, and testing with assistive tech.
• Strong C# and ASP.NET MVC 5 framework.
• Full-stack .NET applications in Windows environment.
• SQL Server design, data modeling, and T-SQL for UI features.
• OO design patterns and core CS principles.
• RESTful APIs integration with front-end interfaces.
• Unit testing and QA/support experience.
• Strong SDLC understanding and best practices.

Responsibilities

• Design, develop, and maintain accessible front-end UI for enterprise apps.
• Translate business and user needs into usable UI/UX outcomes.
• Write technical design specifications and perform unit testing.
• Collaborate with stakeholders, designers, and cross-functional teams.
• Support accessibility testing, audits, and release processes.

Skills

Front-end development

UI/UX design principles

HTML5/CSS3/JavaScript

jQuery

ARIA accessibility

WCAG 2.1/2.2 AA

ASP.NET MVC 5

C#/.NET

RESTful APIs

SDLC

QA/testing

Cross-browser compatibility

DevExpress components

Communication with stakeholders

Education

Bachelor's degree in Computer Science, HCI, Design, Engineering, or related field

Tools

DevExpress UI Components

Figma

Adobe XD

Git

CI/CD

Job description

Ideal Candidate Profile

Seeking a Senior Front-End UI/UX Engineer who will be responsible for designing, developing, and maintaining accessible, user-centered interfaces for complex enterprise applications built on the ASP.NET MVC 5 technology stack. This role blends hands-on front-end coding with UI/UX design sensibility- translating business and user needs into clean, usable, and fully accessible experiences- while ensuring high-quality delivery within established timelines. The engineer will also write technical design specifications, perform unit testing, and produce clear technical and design documentation. Strong collaboration with business stakeholders, customers, designers, and cross-functional technology teams is essential. The ideal candidate is a senior, hands-on engineer with strong front-end craft and a genuine passion for UI/UX and accessibility, paired with solid experience developing and supporting ASP.NET MVC applications using C# and SQL Server in a Windows environment. They are comfortable working independently in established enterprise codebases, leveraging DevExpress components where appropriate, and delivering well-tested, accessible, production-ready solutions with minimal ramp-up.

Required Skills & Experience

• 5-8+ years of professional software development experience, with a significant focus on front-end / UI development
• Strong proficiency in HTML5, CSS3, JavaScript, and jQuery, with an emphasis on writing clean, semantic, maintainable markup
• Demonstrated experience applying UI/UX design principles - information architecture, interaction design, visual hierarchy, and usability best practices - to real product interfaces
• Hands-on experience implementing and testing for web accessibility, including WCAG 2.1/2.2 (AA) and Section 508 compliance
• Practical experience with ARIA roles/attributes, semantic HTML, keyboard navigation, focus management, and testing with assistive technologies (e.g., screen readers such as JAWS/NVDA/VoiceOver)
• Strong proficiency in C# and the ASP.NET MVC 5 framework
• Experience developing and supporting full-stack .NET applications in a Windows environment
• Solid experience with Microsoft SQL Server, including database design/data modeling and writing T-SQL queries, stored procedures, and views to support UI features
• Solid understanding of object-oriented programming, design patterns, and core computer science principles
• Experience building and consuming RESTful APIs and integrating front-end interfaces with internal and external systems
• Experience with unit testing and supporting QA, usability testing, and release processes
• Strong understanding of the software development lifecycle (SDLC) and best engineering practices
• Ability to analyze requirements, debug complex UI and cross-browser issues, and deliver reliable, polished solutions

Preferred Skills

• Experience with DevExpress UI components and reporting tools
• Formal training or certification in UX design, accessibility (e.g., IAAP CPACC/WAS), or human-centered design
• Experience conducting or supporting usability testing, accessibility audits, or design reviews
• Familiarity with design/prototyping tools (e.g., Figma, Adobe XD) and translating designs into accessible front-end code
• Experience with financial aid, student systems, or higher education data
• Familiarity with Agile/Scrum methodologies
• Experience maintaining or modernizing legacy .NET applications, particularly front-end layers
• Exposure to CI/CD pipelines, automated deployments, and source control systems such as Git
• Strong written and verbal communication skills, including the ability to advocate for users and accessibility with technical and non-technical stakeholders

Education

• Bachelor's degree in Computer Science, Human-Computer Interaction, Design, Engineering, or a related field, or equivalent practical experience