Senior Frontend Engineer - Design Systems & AI UI Job New York New York USA,Software Development

Location: New York

Requirements

Have 5+ years of frontend or fullstack engineering experience, ideally in product-driven environments
Have experience building and scaling design systems, component libraries, or developer platforms
Are fluent in modern frontend technologies (JavaScript/Type Script, React, Next.js, CSS systems)
Are comfortable leveraging AI-assisted development workflows
Collaborate effectively with designers and engineers across the product lifecycle
Can quickly prototype and turn ambiguous ideas into polished interfaces
Have a strong understanding of accessibility (WCAG) and performance best practices
Think in systems, identifying patterns, simplifying complexity, and designing for reuse
Communicate clearly and influence product and UI decisions
Care deeply about crafting intuitive, consumer-grade user experiences
Bring a founder’s mindset: ownership, speed, pragmatism, and bias toward action
Research shows that some groups hesitate to apply unless they meet every qualification. If you’re excited about this role but don’t check every box, we encourage you to apply. At Grow, we value diverse experiences, transferable skills, and the unique strengths each person brings

What the job involves

We’re looking for a Frontend Engineer to build the platform that powers consumer-grade product experiences at scale
This role sits at the intersection of design, product, and engineering, and focuses on developing the core components, systems, and tooling that enable teams to move faster with confidence
You’ll play a key role in shaping our design system and frontend architecture, owning both strategy and hands-on implementation
Your work will enable teams to ship high-quality, consistent user interfaces without regressions or reinvention. This is a foundational role in building a world-class product surface and raising the bar for frontend craftsmanship as we scale
Build and maintain our core design system used by both engineers and designers
Develop scalable, reusable frontend components that power consistent, high-quality experiences
Prototype and experiment rapidly to validate ideas before they are codified into the system
Establish and drive best practices across accessibility, performance, localization, and responsiveness
Improve UI consistency and reduce regressions through strong abstractions, testing, and tooling
Partner with product and engineering teams to integrate design system components into their workflows
Create clear documentation, guidelines, and governance to support adoption and extensibility
Raise the bar for visual polish, interaction quality, and overall frontend craft
Help shape an AI-forward development approach to accelerate and democratize frontend development
As we scale, maintaining a consistent, high-quality user experience becomes increasingly complex, and increasingly important. This role ensures we can move fast without sacrificing quality by building the foundation that every team relies on
You’ll play a critical role in shaping our product’s visual identity, strengthening the partnership between design and engineering, and delivering a consumer-grade experience that sets a new standard for the industry

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