Sr. Frontend Engineer

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Senior Frontend Engineer We’re looking for a Senior Frontend Engineer to lead the development of modern, high-performance user interfaces for a fast-scaling, AI-enabled SaaS platform. In this role, you’ll take ownership of our UI architecture, contribute to a growing design system, and deliver pixel-perfect experiences across browsers and devices.You’ll work closely with product and design teams to shape intuitive, accessible, and responsive interfaces that elevate the user experience. If you're passionate about clean, scalable UI and excited to build next-gen features powered by AI, we’d love to connect. Responsibilities : Own the implementation and evolution of UI components, styling architecture, and design tokens Lead frontend efforts to enhance accessibility, performance, and responsiveness Collaborate with product and design teams to explore and validate interface patterns early in development Deliver pixel-perfect implementations that work seamlessly across all modern browsers and screen sizes Mentor frontend developers on best practices around CSS architecture, responsive design, and accessibility Help expand and maintain the internal design system (e.g., with tools like Figma, Storybook, etc.) Conduct UX/UI audits and recommend improvements to drive a better user experience Required Skills: 5+ years of experience building modern web application UIs Deep expertise in HTML5, CSS3/SASS, JavaScript, Typescript, and React Strong experience working with and scaling design systems Solid understanding of responsive design, cross-browser compatibility, and mobile-first development Experience integrating with AI or machine learning APIs Skilled in translating designs into code with pixel-level accuracy A passion for interaction design, consistency, and building scalable component libraries Compensation :  $150,000 - $180,000 base salary + equity ** Hybrid onsite: Tuesday, Wednesday, Thursday
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Location:
San Francisco

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