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Senior Frontend Developer (React) at Bolsterup. Bolsterup is a leading Contech SaaS company specializing in capturing detailed information around projects, professionals, and products. We are committed to building intuitive and dynamic web applications that enhance user experiences and drive business growth.. We are seeking a highly skilled . Senior Frontend Developer.  with deep expertise in . ReactJS.  and strong proficiency in modern frontend frameworks such as . Next.js. , . Tailwind CSS. , . Material-UI. , . Aceternity. , and . MagicUI. . The ideal candidate will be responsible for leading the development of complex user interfaces, optimizing frontend performance, and collaborating closely with cross-functional teams to deliver high-quality, scalable web applications.. This role will also be critical in . building chat interfaces for AI-powered chatbots.  and leading the . transition of our application from Create React App to Next.js. .. Key Responsibilities. . . Frontend Development:.  Design, develop, and maintain advanced web applications using . ReactJS. , ensuring responsiveness and performance.. . . Next.js Expertise:.  Implement server-side rendering (SSR) and static site generation (SSG) using . Next.js.  to enhance SEO and performance.. . . App Transition Leadership:.  Lead the migration of the current application from . Create React App to Next.js. , ensuring minimal disruption and improved performance.. . . AI Chat Interfaces:.  Design and build intuitive, real-time chat interfaces for . AI-powered chatbot interactions. , focusing on performance and user experience.. . . UI/UX Collaboration:.  Work closely with UI/UX designers to translate designs into interactive, user-friendly interfaces using . Tailwind CSS. , . Material-UI. , . Acerternity. , and . MagicUI. .. . . Component Architecture:.  Build reusable and scalable components, ensuring code quality through best practices and design patterns.. . . Performance Optimization:.  Optimize applications for maximum speed, scalability, and accessibility.. . . State Management:.  Implement efficient state management solutions using . Redux. , . Recoil. , or . Context API. .. . . Code Reviews:.  Conduct thorough code reviews, provide constructive feedback, and mentor junior developers.. . . Integration:.  Collaborate with backend developers to integrate RESTful APIs and GraphQL services.. . . Real-Time Notifications:.  Develop . WebSocket-driven features.  for . real-time app notifications.  to enhance user engagement and provide live updates.. . . SEO & Accessibility Compliance:.  Ensure all user interfaces are . optimized for SEO.  and comply with . WCAG and accessibility (A11Y) guidelines. .. . . Testing:.  Write unit, integration, and end-to-end tests using frameworks like . Jest. , . React Testing Library. , and . Cypress. .. . . Agile Practices:.  Participate in Agile ceremonies, contribute to sprint planning, and ensure timely delivery of features.. . Must-Have. . 5+ years of professional experience as a frontend developer, specializing in . ReactJS. .. . Strong knowledge of . Next.js.  for SSR, SSG, and API routes.. . Experience transitioning applications from . Create React App to Next.js. .. . Proficiency in . Tailwind CSS. , . Material-UI. , . Acerternity. , and . MagicUI.  for modern, responsive design.. . Solid understanding of . JavaScript (ES6+). , . TypeScript. , HTML5, and CSS3.. . We. . Experience building . real-time chat interfaces. , preferably for . AI chatbot applications. .. . Experience with . state management libraries.  such as Redux, Recoil, or Context API.. . Familiarity with . RESTful APIs.  and . GraphQL.  integrations.. . Strong problem-solving skills and attention to detail.. . Experience with . version control systems.  like Git.. . Nice-to-Have. . Experience with . serverless architectures.  and cloud platforms (e.g., AWS, GCP).. . Knowledge of . CI/CD pipelines.  and automated deployment workflows.. . Understanding of . WebSockets.  for real-time data communication.. . Familiarity with . monorepo.  architectures and tools like . Turborepo. .. . Contributions to open-source projects or a strong personal GitHub portfolio.. . Company Location: Cyprus.