About the role
Lucio is looking for a Senior Frontend Engineer to build intuitive, scalable, and high-quality user experiences for its AI-native legal platform. The role involves translating complex AI-driven workflows into clean, reliable interfaces while working closely with Product, Backend, and Design teams to build reusable frontend systems and deliver impactful features.
Responsibilities:
- Build scalable frontend applications using React and modern JavaScript (ES6+).
- Develop reusable UI components and contribute to a design system.
- Implement client-side and server-side state management.
- Build complex forms with validation.
- Optimize frontend performance using techniques like lazy loading, code splitting, memoization, and efficient rendering.
- Collaborate with Product, Backend, and Design teams to deliver end-to-end features.
- Ensure responsive, accessible, and cross-browser compatible applications.
- Write clean, maintainable, and well-documented code.
- Participate in code reviews and frontend architecture discussions.
- Debug and resolve production UI issues while maintaining excellent user experience.
Requirements:
- 5+ years of frontend development experience in production environments.
- Strong proficiency in JavaScript (ES6+).
- Extensive experience with React (Hooks, Lifecycle, Routing, Complex UI).
- Experience with UI libraries/design systems: MUI (Preferred), Ant Design, Chakra UI, Mantine.
- Client-side state management: Redux Toolkit, Zustand.
- Server-state/data fetching: React Query (TanStack Query), SWR, RTK Query.
- Forms and Validation: React Hook Form (Preferred), Zod / Yup.
- Strong knowledge of: CSS3 Responsive Design, Flexbox, CSS Grid.
- Frontend performance optimization.
- Experience with Next.js or Remix (SSR/SSG).
- Tailwind CSS.
- Git and collaborative workflows.
- Strong understanding of HTTP, REST APIs, and browser developer tools.
- Experience with Vite, Webpack, or Parcel.
- Accessibility (WCAG) best practices.
- Ability to thrive in a fast-paced startup with high ownership.