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UI/UX Developer

Company:
C. Mack Solutions, LLC
Location:
Ashburn, VA, 20147
Posted:
September 24, 2026
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Description:

Job Description

Description:

C. Mack Solutions is seeking a UI/UX Developer with agile methodology experience to join our team and support a complex program to provide Agile development and operations and maintenance for critical systems on a mission-critical program for the Federal Government. As a UI/UX Developer of an Agile team you will be responsible for creating intuitive, user-centered designs and developing responsive, interactive user interfaces that are maintainable, efficient, and reliable. Experience with Agile development methodologies and ability to work collaboratively with cross-functional teams, including developers, product owners, and stakeholders

Responsibilities:

Develop user interfaces that meet business requirements and user needs

Lead the development of a cohesive look-and-feel and standardized user experience across applications

Developing compelling, creative, and user-focused experiences and points of view that align with clients’ business objectives

Collaborating with cross discipline team to create and execute experience style guides, interaction patterns, and information design standards

Develop wireframes, mockups, and/or prototypes supporting design ideas and effectively communicate ideas to various stakeholders

Establish standard layout and style libraries across applications

Work closely with the functional team to determine feasibility of requirements and collaborate on design ideas and improvements.

Ensuring product quality and timeliness of work, providing advice and guidance, resolving problems to meet objectives, and providing periodic performance reports

Work independently and efficiently within agile software development environment, utilizing tools and practices like JIRA, Confluence, GitLab, unit testing and harness.

Providing mentoring to junior members of the team

Must be able to work on-site in Ashburn, VA 1-2 days per weekRequirements:

You must live within the DC, MD, VA area.

U.S. Citizenship is required. Candidate must have an Active CBP Public Trust clearance.

Degree in a related field, such as Interactive Design, Architecture, Industrial Design, Graphic Design or Human Factors

Experience working collaboratively to communicate effectively through websites and web applications that are easy for real people to use and responsive across all device viewports

Professional Experience: 5 + years’ experience in UI/UX development

Professional experience with enterprise UI design tools such as Figma (preferred), or similar tools

Professional experience communicating designs with stakeholders such as product owners, end users, development teams, and management

Ability to understand trade-offs between designs, technical feasibility, and maintenance

Proficiency in development and maintenance of web applications using React, Angular, TypeScript, JavaScript, browser technologies such as HTML, HTTP and CSS and JavaScript framework such as Kendo UI.

Familiarity with Java and associated frameworks such as Spring/Spring boot

Familiarity with our tech stack: Java 17, Spring/Spring boot, React, UI state management, ORM such as Hibernate, PostgreSQL, Amazon AWS

Continuous Integration / Continuous Deployment tools such as Harness, Jenkins, GitLab or Bamboo

Stay current on important industry and customer trends to ensure our applications are delivering relevant solutions

Collaborate effectively with stakeholders inside the company and with customer groups to drive effective solutions

Use data, validation, and feedback strategies that deliver code backed by qualitative and quantities testing

Experience with responsive and mobile-first development

Willing to take risks and champion new ideas.

Have experience developing applications, from consumer facing to internal tools

Maintain a user-centered approach while respecting business needs

Able to work and be effective in an agile design environment

Working knowledge of and ability to assist others in the use of design tools to support process improvement (Figma, Axure, Sketch, Invision, XD, etc.)

Excellent written and verbal communication skills

Highly responsible, team-oriented individual with very strong work ethics and a self-starter

Preferred Skills and Experience:

Design Thinking certifications such as those offered through IDEO, Stanford, Cornell, MIT or a host of other organizations

Proven experience designing for web accessibility (Section 508 standards)

Experience with information architecture

Ability and interest in educating others on user-centered design best practices

Advanced understanding of Lean processes, and Agile principles

Work Location:This position is limited to candidatesresidingin U.S. states where the company is currently registered to employ team members.

Salary Range: $85,000 – $120,000 annually

This position may be filled at the Mid or Senior level based on the selected candidate’s qualifications and experience. Final compensation will be determined based on level alignment, experience, education, and internal equity.

Benefits: In addition to base compensation, this position is eligible for company-sponsored benefits, which may include medical, dental, and vision insurance, retirement savings plans, paid time off, and other supplemental programs.

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