Principal UI Developer

About Invisible

Invisible Technologies is the AI training and scaling partner for the leading foundation model providers, enterprises, and governments, bridging the gap between AI potential and production. Invisible’s unique AI Process Platform combines elite global human expertise, cutting edge technology, and deep institutional knowledge gained by training 80% of the world’s leading AI models. Trusted by AWS, Microsoft, and Cohere, we have an unparalleled ability to operationalize AI for real-world applications. Our explosive growth landed us the #2 spot on the Inc. 5000 in 2024, closing the year on $134m revenue.

We are seeking an accomplished Principal UI Developer to join our technology team. This individual will leverage their extensive experience to design, develop, and optimize scalable and maintainable UI solutions using React, GraphQL, and modern web technologies.

What You’ll Do

• Design  and architect  large-scale React applications
• Render optimize applications including memoization, virtualization, lazy loading, and performance profiling
• Design highly debuggable, maintainable, and scalable UI structures
• Create modular and reusable UI components and libraries
• Design and build responsive and adaptive design principles for cross-platform and multi-device compatibility

What We Need

• Extensive experience with React Context API for building robust intra-UI services
• Strong experience with using GraphQL APIs including queries, mutations, and subscriptions for real-time data updates
• Deep understanding of advanced JavaScript concepts, ES6+, TypeScript, and front-end deProfound understanding of styling choices and methodologies (CSS-in-JS, SCSS/SASS, Tailwind CSS, Styled Components)
• Familiarity with accessibility standards and practices (WCAG, ARIA)
• Extensive experience with build tools and package managers (Webpack, Babel, NPM/Yarn)
• Strong familiarity with UI testing frameworks and tools (Jest, React Testing Library, Cypress)
• Extensive proficiency with version control systems, particularly Git

What’s in it for you

Compensation:
Invisible is committed to fair and competitive pay, ensuring that compensation reflects both market conditions and the value each team member brings. Our salary structure accounts for regional differences in cost of living while maintaining internal equity.

• Tier 1: $228,000 - $253,000
• Tier 2: $209,000 - $232,000

For more information on which locations are included in each of our geographic pay tiers we recommend confirming the specific tier for your location with your recruiter. For candidates outside the U.S., compensation will be adjusted to reflect local market conditions and cost-of-living differentials.

What It’s Like to Work at Invisible:

At Invisible, we’re not just redefining work—we’re reinventing it. We operate at the intersection of advanced AI and human ingenuity, pushing the boundaries of what’s possible to unlock productivity and scale. Ownership is at the core of everything we do. Here, you won’t just execute tasks—you’ll build, innovate, and shape the future alongside world-class clients pushing the boundaries of AI.

We expect bold ideas, relentless drive, and the ability to turn ambiguity into opportunity. The pace is fast, the challenges are big, and the growth is unmatched. We’re not for everyone, and we’re okay with that. If you’re looking for predictable routines, this isn’t the place for you. But if you’re driven to create, thrive in dynamic environments, and want a front-row seat to the AI revolution, you’ll fit right in.

Country Hiring Guidelines:

Invisible is a remote-first organization and hires new team members in countries around the world. Although many of our roles are fully remote, some roles may carry specific location-based eligibility requirements. Our Talent Acquisition team can help answer any questions about location after starting the recruiting process.

Accessibility Statement:

We’re committed to providing reasonable accommodations for individuals with disabilities. If you need assistance or accommodation due to a disability, please contact our Talent Acquisition team during the recruitment process at accommodation@invisible.email. 

Equal Opportunity Statement:

We’re an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, or veteran status, or any other basis protected by law.

Due to a high volume of candidates, Invisible may use automated decision-maker technologies to filter candidates based on response to our application questions and other provided information. Our use of automated decision-making enables us to be efficient by providing a manageable list of possible candidates that meet our mandatory hiring criteria. If you object to our use of automated decision-making please contact us.