• Build and maintain Next.js + TypeScript applications with clean, maintainable, and well-structured code. • Implement responsive, accessible, and visually appealing UI/UX components. • Integrate securely and efficiently with our backend NestJS API (REST + WebSockets). • Apply state management best practices using tools like Redux, Zustand, or React Query. • Implement client-side validation for a smooth user experience. • Follow Next.js best practices (routing, SSR/SSG, data fetching, API routes, component architecture). • Optimize performance for web and mobile responsiveness. • Handle error states, loading states, and edge cases gracefully. • Deploy and maintain projects on Vercel. • Write and maintain meaningful tests (unit, integration, or E2E). • Document code, design decisions, and deployment steps in README.

Viseven Group is a leading global B2B MarTech service provider, empowering Pharma and LifeScience companies since 2009. Our mission is to drive digital transformation and excellence, offering comprehensive end-to-end software and digital marketing services tailored to the pharmaceutical industry. The company's solutions, products, and services are actively used by the top 100 Pharma and Life Science companies. At Viseven, our rapidly growing team boasts over 700 highly skilled professionals, including experts in development, design, business analysis, project management, delivery, sales, marketing, and customer success. With a global footprint in more than 30 countries across the US, LATAM, Europe, and APAC, and physical offices in Ukraine, Poland, Estonia, India, and the US, we are well-positioned to serve our diverse clientele. Join us and become part of a pioneering team dedicated to shaping the future of digital transformation in Pharma and Life Sciences across more than 50 countries around the globe. Key responsibilities: - Writing and reviewing code, fixing bugs in existing projects - Planning and prototyping new applications - Designing the architecture of the components of applications - Testing sites and applications in different browsers and environments - Testing new features thoroughly to ensure they perform the correct task in all cases Required skills and knowledge: - 1+ years experience - Good knowledge of HTML5 and CSS3/SCSS (fixed-width layout, adaptive and responsive layout, pixel perfect markup) - Experience with CSS3 Animations - Understanding of Websites Cross-browser compatibility - Knowledge of JavaScript (ES201*) - Knowledge of Vue.js, Vuex is an advantage - Git, Git Flow - Upper-intermediate+ English What we provide: We know our team members are key to achieving our goals, so we value and empower them to share their vision. We reward this passion with exceptional benefits, including: Competitive Compensation: Regular performance-based salary and career development reviews. Experienced Team: Join a passionate, experienced team in a friendly atmosphere. Career Growth: Opportunities for professional and career advancement. Paid Time Off: 18 business days per year (20 business days after 2 years of service). Sick Leave: Non-documented: 4 business days per year. Documented: 20 business days per year. Family Leave: 3 paid business days for marriage, childbirth, or bereavement. Medical Insurance: Comprehensive coverage. English Courses: Learning opportunities to improve your language skills. Professional Development: Participation in forums and conferences. Corporate Events: Regular team-building activities and events. Work Environment: Enjoy a comfortable, fully equipped office and the possibility to work from home.

• Build and Maintain: Develop and maintain a responsive and user-centric web application using React/NextJS and TypeScript. • Optimize for Speed: Implement best practices and optimizations to maintain the app's exceptionally fast and responsive performance, especially on mobile devices. • Real-Time Features: Support the integration and management of real-time data and WebSockets to enhance user interactions for trading functionalities. • Collaborate and Integrate: Work closely with the Senior Full-Stack Developer to ensure seamless front-end and back-end integration. • Problem-Solve with Impact: Tackle complex technical challenges with effective, innovative solutions that significantly enhance user experience. • Champion Code Quality: Ensure the delivery of clean, maintainable, and well-documented code, fostering a sustainable development environment.

Role Description - Build and maintain Next.js + TypeScript applications with clean, maintainable, and well-structured code. - Implement responsive, accessible, and visually appealing UI/UX components. - Integrate securely and efficiently with our backend NestJS API (REST + WebSockets). - Apply state management best practices using tools like Redux, Zustand, or React Query. - Implement client-side validation for a smooth user experience. - Follow Next.js best practices (routing, SSR/SSG, data fetching, API routes, component architecture). - Optimize performance for web and mobile responsiveness. - Handle error states, loading states, and edge cases gracefully. - Deploy and maintain projects on Vercel. - Write and maintain meaningful tests (unit, integration, or E2E). - Document code, design decisions, and deployment steps in README. Qualifications - Proven experience in Next.js and TypeScript. - Strong grasp of modern React (hooks, context, suspense). - Solid understanding of UI/UX principles. - Experience integrating APIs with error handling and validation. - Knowledge of state management libraries (Redux, Zustand, Jotai, or similar). - Familiarity with Git-based workflows and CI/CD pipelines. - Strong problem-solving and communication skills. - Bonus: Experience with Tailwind CSS, ShadCN UI, and Vercel deployments. Requirements - Experience with ShadCN UI, Framer Motion, or other modern UI animation libraries. - Knowledge of Tailwind CSS design systems and responsive design patterns. - Familiarity with internationalization (i18n) for multilingual interfaces. - Experience integrating real-time features via WebSockets or Socket.IO. - Knowledge of accessibility (WCAG) best practices. - Familiarity with frontend performance optimization (Lighthouse, Core Web Vitals). - Experience building SEO-friendly Next.js pages (SSR/SSG, metadata). - Comfort with design tools like Figma for collaboration. - Previous experience in EdTech or SaaS products. - Knowledge of analytics integration (Google Analytics, Mixpanel). Company Description COREnglish stands at the forefront of global online education and serves as a prominent resource for recruiting educators for schools across Asia.