Senior Frontend Engineer

9 hours ago Senior Frontend Engineer Full time Senior Remote Remote, Denmark Job Description We're looking for a Senior Frontend Engineer who wants to build the interface layer of a product that's actually changing how lawyers work. You'll be shaping how legal professionals across Europe interact with AI-powered legal research, working on the kind of UI problems that don't have textbook answers: streaming AI reasoning, dense document interfaces, and search that has to feel instant on top of millions of legal sources. If you care deeply about craft, like ambiguity, and want a lot of room to shape what gets built, keep reading. 📍 This role can be based in our Copenhagen HQ or remotely from Europe. About Legal research hasn’t changed much in decades. Lawyers still spend countless hours navigating fragmented sources, outdated systems, and complex databases just to find the information they need. At , we’re changing that. Our ambition is to build the leading global platform for legal research and the largest AI-powered legal database. By combining artificial intelligence, intelligent search, and continuously updated legal sources, we’re redefining how legal knowledge is accessed, understood, analyzed, and applied. has raised more than €4 million and most recently closed a €2.9 million seed round (Feb 2025) led by People Ventures, Interface Capital, and leading angels. already serves more than 350 customers across Denmark, Germany and Switzerland. We’re still early in the journey, and joining our team now means you’ll have big impact on shaping how we scale. About The Role You'll have real room to shape both what we build and how we build it. You'll work across our most ambitious surfaces: the document viewer where lawyers read and annotate legislation and case law, the AI chat that walks them through complex legal reasoning, and the search and navigation layer that ties it all together. This is a role for someone who cares about craft. We move fast, but we don't ship sloppy. You'll partner closely with design, product, and our backend and ML teams to take features from rough idea to polished production experience, and you'll have meaningful influence on the technical direction of the frontend as the team grows. What You’ll Do Own end-to-end implementation of frontend features in our React, Next.js, and TypeScript codebase, from architecture decisions to shipping polished UIBuild and maintain our most complex surfaces: AI chat with streaming reasoning, PDF and document viewers, modal stacks, search and navigationHelp shape our component library and frontend architecture as we scale our teamPartner with design and product to turn ambiguous problems into shipped features that legal professionals actually love usingRaise the bar for quality across the team through code review, technical direction, and shared standards What You’ll Bring 5+ years of frontend experience, with deep expertise in React and TypeScriptStrong working knowledge of Next.js (App Router preferred)Solid CSS fundamentals and comfort with a modern styling approach (Tailwind, CSS modules, or similar)A track record of shipping complex stateful UIs in production, not just CRUD formsStrong product instincts and design sensibility. You spot bad UX and propose betterDirect, low-ego communication. You give and take feedback well, and you lift teammates upCuriosity about the domain - you want to understand the why behind what users need, not just build the ticket Nice to have Experience integrating with LLM APIs (streaming responses, tool calls, structured outputs)PDF or document viewer work, annotation, or other heavy-content renderingDesign-system or component-library ownershipAccessibility (WCAG) experienceSome backend or full-stack comfort (Node, basic API work)Legal-tech, fintech, or another regulated-domain background How We Work We place great value on a vibrant, inspiring, and challenging company culture. This is achieved through a talented and passionate team that believes in achieving great things together. We value ownership – you can expect a lot of freedom and responsibility. The key is open communication, trust, and a shared passion to transform the legal world. We are a growing team based in our Copenhagen HQ and remotely from Germany, Switzerland, Austria and London. This role will be based in our Copenhagen HQ. We believe diverse teams build better products and stronger teams. We embrace and encourage people from all backgrounds to apply regardless of race/ethnicity, colour, religion, nationality, gender, sex, sexual orientation, age, marital status, disability, socio-economic status, culture or beliefs. What We Offer A central role in a fast-growing company with €4M+ raised, most recently a €2.9M seed led by People Ventures and Interface CapitalA collaborative work environment where your input is not only valued but often implemented within hours25 vacation days per year + public holidaysInternational team events – last time we went to Barcelona, and we’d love to have you join us next timeAn attractive warrant programYour own Pleo card for necessary work expensesPaid parental leave Match 31% Good match We match every vacancy against your profile and show a fit score — so you instantly know which ones are worth applying to. Sign up and create a resume — it's free. Not enough data to estimate a salary range for this role in this region yet. We're looking for a Senior Frontend Engineer who wants to build the interface layer of a product that's actually changing how lawyers work. You'll be shaping how legal professionals across Europe interact with AI-powered legal research, working on the kind of UI problems that don't have textbook answers: streaming AI reasoning, dense document interfaces, and search that has to feel instant on top of millions of legal sources. If you care deeply about craft, like ambiguity, and want a lot of room to shape what gets built, keep reading. 📍 This role can be based in our Copenhagen HQ or remotely from Europe. About Legal research hasn’t changed much in decades. Lawyers still spend countless hours navigating fragmented sources, outdated systems, and complex databases just to find the information they need. At , we’re changing that. Our ambition is to build the leading global platform for legal research and the largest AI-powered legal database. By combining artificial intelligence, intelligent search, and continuously updated legal sources, we’re redefining how legal knowledge is accessed, understood, analyzed, and applied. has raised more than €4 million and most recently closed a €2.9 million seed round (Feb 2025) led by People Ventures, Interface Capital, and leading angels. already serves more than 350 customers across Denmark, Germany and Switzerland. We’re still early in the journey, and joining our team now means you’ll have big impact on shaping how we scale. What You’ll Do Own end-to-end implementation of frontend features in our React, Next.js, and TypeScript codebase, from architecture decisions to shipping polished UIBuild and maintain our most complex surfaces: AI chat with streaming reasoning, PDF and document viewers, modal stacks, search and navigationHelp shape our component library and frontend architecture as we scale our teamPartner with design and product to turn ambiguous problems into shipped features that legal professionals actually love usingRaise the bar for quality across the team through code review, technical direction, and shared standards What You’ll Bring 5+ years of frontend experience, with deep expertise in React and TypeScriptStrong working knowledge of Next.js (App Router preferred)Solid CSS fundamentals and comfort with a modern styling approach (Tailwind, CSS modules, or similar)A track record of shipping complex stateful UIs in production, not just CRUD formsStrong product instincts and design sensibility. You spot bad UX and propose betterDirect, low-ego communication. You give and take feedback well, and you lift teammates upCuriosity about the domain - you want to understand the why behind what users need, not just build the ticket Nice to have Experience integrating with LLM APIs (streaming responses, tool calls, structured outputs)PDF or document viewer work, annotation, or other heavy-content renderingDesign-system or component-library ownershipAccessibility (WCAG) experienceSome backend or full-stack comfort (Node, basic API work)Legal-tech, fintech, or another regulated-domain background What We Offer A central role in a fast-growing company with €4M+ raised, most recently a €2.9M seed led by People Ventures and Interface CapitalA collaborative work environment where your input is not only valued but often implemented within hours25 vacation days per year + public holidaysInternational team events – last time we went to Barcelona, and we’d love to have you join us next timeAn attractive warrant programYour own Pleo card for necessary work expensesPaid parental leave