Job Summary: We are seeking a key Frontend Developer to build and evolve our product, lead the visual and user experience, and integrate AI to revolutionize legal document analysis. Key Highlights: 1. You will play a key role in building and evolving the product. 2. You will lead the platform’s visual and user experience. 3. You will drive innovation by integrating AI models into business workflows. Lexsys is a rapidly growing legaltech startup transforming the legal sector. We help thousands of people manage their legal claims efficiently using our proprietary technology. As a product-led company, technology lies at our core—integrating Artificial Intelligence to revolutionize legal document analysis and process automation. As a **Frontend Developer**, you will play a key role in building and evolving the product, leading the platform’s visual and user experience. Your work will enable seamless interactions and the development of new AI-powered features, directly contributing to the product’s growth and differentiation. **Key Responsibilities** * Integrate frontend with internal APIs and external services. * Develop frontend solutions focused on product and user experience. * Implement workflows, screens, and views using React + Next.js. * Use Storybook for prototyping and documentation. * Agile Development: End-to-end implementation of new features within short development cycles. * AI Innovation: Integrate AI models into our business workflows (e.g., court ruling analysis, data extraction, document generation). **What We’re Looking For** * Minimum 5 years of Frontend development experience. * Full proficiency in React, Next.js, and JavaScript. * Experience with Storybook and component-based development is desirable. * Product development experience. * Experience working in Agile environments with a product mindset. * Ability to autonomously identify functional technical solutions. * Integration of AI capabilities into frontend (a plus) **What We Value** * Experience integrating AI into real-world products. * Use of modern AI-powered coding assistants. * Experience in LegalTech or startups. * Curiosity about emerging technologies and a continuous improvement mindset. **What We Offer** * Excellent working environment. * Permanent contract / stable position. * Hybrid work schedule. * Competitive base salary – we welcome your salary expectations. * Professional growth opportunities. * Free gym membership at the company gym. **Why Join Lexsys?** * You’ll work in LegalTech with applied AI. * You’ll contribute to a product making a real impact on the legal ecosystem. * You’ll enjoy autonomy, technical judgment, and participation in architectural decisions. * You’ll be part of an innovation-driven environment. If you’re interested in joining Lexsys and helping transform the legal sector through technology and Artificial Intelligence, please send us your updated CV. Employment Type: Full-time Application Questions: * Are you available to start immediately? * Do you currently reside in Spain? Experience: * Experience performing the described responsibilities: 2 years (Mandatory) Work Location: On-site