Design Engineer

Remote, USA
Posted Jun 14, 2026
Full-time

Spear AI is seeking an experienced Design Engineer who builds beautiful and data-intensive applications that delight the user. You will be responsible for crafting the tools used by hundreds of people on a daily basis to maneuver and navigate a US nuclear submarine.

You will be architecting and developing interfaces, state management and access patterns to support data-intensive workflows that are both powerful and approachable. You may spend one day interviewing users to better understand their needs and identifying product gaps to improve. The next day, you might find yourself considering that customer context along with signal gathered from other users with a different skill level, brainstorming approaches to handling intricate UX needs with your teammates. 

You’ll regularly be faced with sophisticated technical problems, requiring you to scope out the solution design and finding an incremental path to shipping the new features. As part of this, you will own the design and work with backend engineers in developing them together.

Spear AI servers the national security industry and deploys software to cloud environments that span unclassified, Secret, and Top Secret regions. We also deploy software to the edge in some of the harshest conditions, including US nuclear submarines.

Candidates with a GitHub (or other open-source) profile stand out because we can check their work for attention to detail and code quality.

HTML/CSS (Essential)

  • Knowledge of Semantic HTML elements

    Proficient with Tailwind CSS

    Strong CSS fundamentals (Box Model, Flexbox, Grid, Container queries)

    Understanding of CSS Performance (GPU accelerated properties, paint / layout triggers)

    Advanced features such as (`prefers-reduced-motion`, color-scheme, pointer etc.)

Design (Essential)
  • Figma and other tools

    Design system and tokens

    Color palette, typography, iconography, spacing, theming, etc.

    Responsive Design

    Page layouts

    UX / User interaction

Front-end (Essential)
  • TypeScript

    React / Next.js

    Server-side rendering (SSR)

    React Error boundaries and suspense

    Performance optimization

    Familiar with RESTful APIs (GraphQL is a plus)

    State management (React Context, Zustand, Redux, etc.)

Testing
  • Storybook and other tools

    Core Web Vitals

    LCP, TBT, CLS, etc.

    Color contrast and WCAG compliance

    Visual regression testing

    Cross-browser testing

    A/B testing

    CI/CD (GitHub Actions, GitLab Pipelines, etc.)

Product
  • Built high-converting landing pages (Hero, Call-to-action, Testimonials, etc.)

    Content management systems (CMS)

    Experience with auth workflows and user onboarding

    Experience with geospatial data and maps

    Experience with complex sorting and filtering

Internationalization
  • Localization

    Experience with React-based i18n libraries

    Knowledge of locale-specific formatting for dates, numbers, currencies, etc.

    Translation management

SEO
  • Knowledge of SEO best practices and SEO tools

    Static and dynamic metadata

    Open Graph and social media tags

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