Senior Frontend Engineer

About the Company Join the Rocketship We’re building ShopOS — AI agents powering the entire ecommerce stack. Already past PMF, we’re scaling fast and shaping the future of how online brands are built with AI. Co-founded by seasoned builders with multiple successful exits to companies like Sacapic , Flipkart & Polygon Labs , and we’re backed by Binny Bansal . This isn’t just another start-up — it’s a front-row seat to the next big shift in ecommerce. Watch : What is ShopOS (from the founders’ lens - Click here) About the Role As a Senior Frontend Engineer at ShopOS, you'll bring world-class UI/UX to life and build fast, dynamic interfaces that power the AI-native eCommerce platform of the future. You’ll work closely with product, design, and backend teams to deliver seamless, intuitive, and beautiful user experiences—from AI agents to dashboard tooling to creative workflows. This is a high-impact role where frontend is not just a layer, but a core product experience that enables creativity, productivity, and delight for thousands of users. What You’ll Own Build high-performance, scalable web apps with modern JS frameworks (React, Next.js) Translate Figma designs and UX flows into pixel-perfect, responsive, and accessible UIs Optimize frontend performance (Lighthouse, Core Web Vitals, lazy loading, etc.) Collaborate with designers, backend engineers, and product managers to build cohesive features Integrate RESTful and GraphQL APIs and manage complex frontend state (Redux, Zustand, Jotai) Contribute to and help evolve our design system, UI library, and frontend architecture Own full feature lifecycle—from technical design to rollout and feedback iteration Write clean, maintainable, and well-tested code (Jest, Cypress, Testing Library) Bring a UI/UX mindset to frontend decisions, going beyond engineering to shape great products What We’re Looking For 5+ years of experience building production-grade frontend applications Deep expertise in JavaScript, React.js , and modern frontend tooling Familiarity with Next.js , TypeScript, and SSR/SSG patterns Proficient in CSS-in-JS (Styled Components, Tailwind, Emotion) and animation libraries (Framer Motion, Lottie) Strong understanding of responsive design, accessibility, and cross-browser compatibility Experience with state management libraries like Redux, Recoil, or Jotai Experience working with Git, CI/CD workflows, and collaborative tools (Storybook, Figma) Strong product and design sense with attention to detail and empathy for users Bonus Points Experience building design systems or contributing to open-source UI kits Past experience in eCommerce, SaaS, or design/developer tooling products Familiarity with WebGL, Three.js , or canvas-based interactions Interest in building UIs for AI-native products or creative tools Experience working in a fast-paced startup environment with a strong shipping culture You’ll Thrive If You Are…