Lumark Technologies, Inc.

About the Company

Lumark Technologies, Inc. (Lumark) is a Small Disadvantaged Business (SDB) headquartered in Fairfax, VA, with offices in Washington, DC and other locations across the United States. Lumark fosters a work environment that is built on process and technology. Our focus on quality enables us to achieve repeatable, successful delivery performance. This practice coupled with Lumark’s excellent staff qualifications enables us to meet a wide range of client needs with the ultimate achievement of high customer satisfaction.

Listed Jobs

Company Name

Lumark Technologies, Inc.

Job Title

UI Developer

Job Description

Job title: UI Developer Role Summary: Responsible for enhancing legacy web applications and building new high‑traffic defense products, delivering defect‑free, high‑performance user interfaces that meet DoD specifications. Expectations: - U.S. citizen with a current DoD SECRET clearance (TS preferred). - 5+ years of front‑end experience on DoD or large commercial programs. - Proven ability to translate design assets into responsive, browser‑agnostic web pages. Key Responsibilities: - Develop and maintain web applications using HTML, CSS, SASS/LESS, JavaScript (React, Angular, or Knockout). - Convert Photoshop/FIGMA designs into CSS/HTML assets. - Ensure responsive design across devices and browsers. - Apply software design patterns for high reusability and maintainability. - Participate in all agile phases: design, estimation, implementation, testing, and deployment. - Collaborate directly with functional subject‑matter experts to clarify UI requirements. - Write secure code under general supervision. Required Skills: - Deep front‑end development (5+ yrs). - Proficient with modern JS frameworks (React, Angular, Knockout). - CSS preprocessors (LESS, SASS). - Responsive/Adaptive design expertise. - Knowledge of browser/device variations. - Agile methodology experience. - Ability to work on secure DoD projects. Required Education & Certifications: - Bachelor’s degree in Computer Science, Interaction Design, Multimedia Design, or equivalent experience. - Current DoD SECRET clearance (TS preferred).

Fairfax, United states

On site

Mid level

29-01-2026