Senior Frontend UI / UX Engineer

Senior Frontend UI / UX Engineer

Zetier is seeking a Senior Frontend UI / UX Engineer to develop intuitive, secure, and visually engaging interfaces across our product lines including customer-facing applications and internal mission-support tools. Candidates should be equally comfortable implementing complex frontend logic and collaborating on design to deliver fast, modern, and standards-compliant web interfaces supporting advanced cybersecurity and defense initiatives.

Required :

Extensive experience (6+ years) low-level programming (e.g. C / C++)

5+ years experience building production web applications

Proficiency with modern frameworks (e.g. React, Angular, Vue)

Strong TypeScript and JavaScript development skills

Experience integrating with backend services (FastAPI, REST)

Familiar with responsive design frameworks (e.g. Bootstrap, Material)

Experience implementing secure coding practices and access control

Ability to translate UX wireframes into production interfaces

Effective collaboration with backend engineers and program teams

Strong written and verbal communication skills

Active U.S. security clearance

Desired :

Proficiency with Figma or similar design / prototyping tools

Experience with backend frameworks (FastAPI, REST, ZeroMQ)

Experience with CI / CD workflows for frontend applications

Familiarity with DoD or compliance-sensitive environments

Development on embedded platforms (uBoot, drone firmware, IOT)

Reverse engineering experience (gdb, Binary Ninja, IDA Pro)

Understanding of accessibility and usability principles

Developed software on mobile platforms (Android, iOS)

Successfully led small cross-domain development teams

Position available in Arlington, VA (hybrid friendly).

Zetier is proud to be an Equal Opportunity Employer. We celebrate diversity and do not discriminate on the basis of race, religion, color, sex, gender identity, sexual orientation, age, non-disqualifying physical or mental disability, national origin, veteran status, or any other basis protected by law. All employment is decided on the basis of merit, qualifications, and business need.