User Interface & Interaction Designer

Job Description

Do you love to turn pretty designs into interactive user interfaces? Join our pack. Job brief DarkLion Studio is looking for a Senior Front-End Engineer to lead the development of cutting-edge digital experiences. This role requires a strong command of modern Front-End technologies, a keen eye for UI/UX, and the ability to collaborate seamlessly with designers and back-end engineers. If you thrive in a fast-paced, creative environment and are passionate about crafting pixel-perfect, high-performance interfaces, we d love to have you on board. Skills & Responsibilities Develop and optimise user-facing features using modern JavaScript frameworks (Next.js, React, Vue, or Angular) Ensure seamless performance across devices and browsers with a mobile-first approach. Write clean, maintainable, and scalable code following industry best practices. Collaborate closely with UI/UX designers to translate design systems into highly functional and visually engaging applications. Integrate APIs and manage application state using Redux, Zustand, Jotai, Context API, or similar tools. Work in tandem with backend and AI teams to consume and visualize AI-generated data such as text, diagrams, vector outputs, and analytics. Build dynamic UIs that interact with AI features like chat interfaces, smart suggestions, recommendation engines, and custom visual outputs. Handle and display complex AI responses in a user-friendly, secure, and performant manner including streamed outputs, markdown, code blocks, charts, or embeddings. Implement robust error handling, loading states, and fallback UIs for unpredictable AI behavior. Lead technical discussions, mentor junior developers, and participate in code reviews. Optimize web applications for performance, speed, and scalability. Stay current with trends in Front-End and AI-powered UX design to drive innovation. We want you onboard, if you have 4+ years of experience in Front-End development with a strong portfolio of responsive, performant web applications Advanced proficiency in Next.js and React.js , including SSR, SSG, and ISR. Solid knowledge of TypeScript and scalable component architecture. Hands-on experience in state management (Redux Toolkit, Zustand, Jotai, or Context API). Strong UI skills using Tailwind CSS, Chakra UI, Material UI, or Styled Components Experience integrating and handling RESTful APIs and GraphQL using Axios, Apollo Client, or URQL. Familiarity with authentication methods including NextAuth , Firebase Auth, OAuth, or JWT. Proven ability to build interfaces that consume and visualize AI-generated content (e.g., from OpenAI, LangChain, or custom AI APIs). Experience with real-time data rendering, streaming outputs, and building interactive visualizations (charts, diagrams, or vector spaces). Understanding of performance techniques: lazy loading, code splitting, and image optimization. Knowledge of SEO best practices and Next.js built-in SEO capabilities. Unit testing and Front-End testing using Jest, React Testing Library, Cypress, or Playwright. Familiarity with CI/CD workflows and deployment using Vercel (preferred), Netlify , or other cloud platforms. Experience with internationalization (i18n) using next-i18next or equivalent tools. Bonus: Experience working with AI-driven UX , chat interfaces, or visual editors based on AI logic. Department Engineering Hierarchy Level Senior Senior Age Preference 24-28 24-28 Experience 4+ years 4+ years Type Full-time, on-site Location Mohali, Punjab Salary Competitive, based on experience Apply Now Our HumanAI Team Hiring Flow We respect your time and your dreams. Here s what your journey looks like: 1. Screening 2. Intimation 3. Interview Rounds 4. Background Check