Senior UX Engineer

Company Overview:

Let’s be real, AI isn’t magic; Legion was built to move beyond AI hype—delivering secure, reliable systems that work alongside the people tackling the world’s most critical challenges.

Born from a Department of Defense partnership and trusted by leaders across government and enterprise, Legion embeds intelligence inside complex systems, unlocking data, accelerating human workflows, and strengthening mission-critical systems. We don’t replace workflows—we optimize them, ensuring quality, efficiency, and reliability inside the platforms our partners already use.

With world-class collaborators like Nvidia, HPE, and Oracle, we’re building intelligent infrastructure that enhances human capability and drives impact at the edge and across a range of enterprises.

We’re looking for bold thinkers and doers to join us in shaping the future of AI that’s secure, grounded, and built to work.

Role Overview:

As a Senior UX Engineer, your role will be instrumental in creating intuitive, accessible, and scalable interfaces across our AI-powered enterprise applications. You'll blend a deep understanding of user behavior, front-end expertise, and design sensibility to craft seamless experiences that delight users and drive adoption.

Responsibilities:

• Human-AI Interaction Experience: Knowledge of how AI models function and experience designing interactions that support explainability and trust.
• Build user experiences: Translate complex workflows into simple, accessible interfaces.
• AI UX Thought Leadership: Stay ahead of AI/UX trends, bringing new insights and ideas to improve our human-AI interactions.
• Build and maintain UI components: Develop scalable, reusable components in modern frameworks, contributing to our design system and shared modules.
• Collaborate across teams: Work closely with product managers, designers, and engineers to ensure user needs are met.
• Prototype and validate ideas: Create prototypes to test hypotheses and iterate based on feedback.
• Growth Mindset: Willingness to experiment, iterate, and learn in a fast-paced AI-driven environment.
• Ensure performance and scalability: Optimize interfaces for speed and responsiveness in varied environments.
• Stay at the forefront of technology: Experiment with new tools, frameworks, and approaches to improve user experiences.

Required Skills and Qualifications:

• US Citizenship or Greencard is required due to US Government contract requirements
• Experience: 5+ years in front-end or UX engineering roles, ideally working on enterprise software or AI-driven applications.
• Technical Skills: Expertise in modern front-end technologies (e.g., React, TypeScript, Tailwind, or similar).
• Design Expertise: Strong understanding of design systems, usability principles, and accessibility standards (WCAG).
• Collaboration: Excellent communication and collaboration skills, with experience working across multi-disciplinary teams.
• Problem-Solving: Ability to translate complex technical and user requirements into simple, elegant solutions.

Preferred Qualifications:

• Figma ↔ Code fluency: Ability to design in Figma and translate components into production-quality code
• Design Ops / Process: Exposure to RACI, Linear workflows, or design documentation standards
• Enterprise Workflow Insight: UX experience in platforms like Salesforce, Confluence, or enterprise SaaS
• Tooling Contributions: Prior ownership or leadership of internal tools or design systems (e.g., Storybook, Chromatic, Radix)

Equal Opportunity Statement

Legion Intelligence provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.