Frontend Developer

Senior Product Frontend Engineer (AI) Stockholm, Sweden | Full-time We're looking for an exceptional frontend engineer who doesn't just build interfaces - they build products people love. Someone who combines outstanding technical ability with strong product intuition, sweats the details, and thrives in a fast-moving startup environment. This is an opportunity to join early, work directly with the founders, and have a significant influence on the product, technology, and company. What you'll do Build beautiful, fast, AI-native user experiences. Work closely with founders, product, and design to turn ideas into products customers love. Prototype, ship, learn, and iterate quickly. Own features end-to-end, from concept through launch and continuous improvement. Help define how users interact with AI—not just how software looks. Improve our frontend architecture, design system, and developer experience. Use data and customer feedback to continuously improve the product. We're looking for someone who Is an exceptional frontend engineer with strong product instincts. Has experience at a high-growth startup, or at a world-class technology company with a strong product culture. Has deep expertise in React, TypeScript, and modern frontend development. Cares deeply about design, usability, performance, accessibility, and user experience. Has a high bar for quality and an eye for detail. Thinks like an owner and enjoys solving customer problems. Loves building and shipping quickly. Is excited about the opportunity AI creates to reinvent software. Bonus points Experience building AI-powered products or developer tools. Experience designing conversational, agentic, or AI-assisted user experiences. Experience with design systems and animation. Experience with Next.js, GraphQL, or full-stack development. Familiarity with LLMs, AI APIs, or modern AI application frameworks. Why join? Build at the forefront of AI. Join early and help shape the product and engineering culture. Work alongside ambitious, high-calibre teammates. High ownership, meaningful equity, and the opportunity to make an outsized impact. Solve difficult problems that matter for customers. If you're excited about building category-defining AI products - and want to create experiences that feel magical rather than merely functional - we'd love to hear from you.