Frontend Engineer

WHY WORK AT HIGGSFIELD AI? Higgsfield AI is the fastest-scaling generative AI company in history, hitting $500M in annual revenue run rate, 25M+ users worldwide, 6M+ generations per day, and powering 390 of Fortune 500 brands. We're building at the absolute frontier of AI-powered video creation and next-generation creative tools. Joining Higgsfield means becoming part of a high-impact team shaping the future of AI-native experiences, at a company that isn't just moving fast, but rewriting what fast looks like. WHO WE ARE LOOKING FOR Everyone at Higgsfield is an A-player. We’re looking for teammates who bring: - A sharp design sense and the ability to turn complex product ideas into fluid, intuitive interfaces. - Curiosity for the newest AI-driven UX patterns, frameworks, and tools. - Resilience and focus in a high-intensity startup environment. - A drive to explore and adopt new frontend frameworks and AI-assisted dev tools. WHAT YOU WILL WORK ON - Build the core interfaces of Higgsfield products — from rapid prototypes to production-ready UIs used by millions of people every day - Turn pixel-perfect designs from Figma into fast, dynamic interfaces where every detail works as well as it looks - Design and optimize complex UI systems, including timelines, editors, and interfaces with large volumes of video and media - Develop a scalable frontend architecture and evolve our design system and component library - Make the interface максимально fast and responsive: minimal bundle size, instant loading, and smooth interactions - Ensure product quality through unit, integration, and end-to-end tests for key user scenarios YOUR MUST HAVES - Experience building complex software and teaming up with others to get it done - Strong communication, collaboration, and commitment to completing projects - Advanced expertise in Typescript, React, NextJS, CSS - Responsive, cross-browser layout & design systems - Experience optimizing media storage, caching, and delivery performance - E