Next.js UI Sr. Developer

Key Responsibilities

• Develop, maintain, and optimize web applications using Next.js, React, and modern UI frameworks.
• Create reusable UI components, layouts, and design system compliant interfaces.
• Work with REST APIs or internal services and manage client side/server side data flows.
• Implement SSR/SSG/ISR strategies for performance, and scalability.
• Ensure responsiveness, accessibility, and cross browser compatibility.
• Implement secure authentication and authorization flows (e.g. MSAL, OAuth).
• Implement client side error logging and monitoring to improve application reliability.
• Collaborate with UX designers to convert wireframes into smooth user experiences.
• Write unit, integration, UI, and E2E tests using Jest, Testing Library, and Playwright.
• Follow CI/CD pipelines and deployment workflows (e.g., Azure DevOps or container based deployments).

Required Skills & Experience

• Strong proficiency in JavaScript, TypeScript, React, and Next.js.
• Hands-on experience with Next.js App Router, routing, layouts, and data fetching patterns.
• Solid understanding of modern UI/CSS frameworks: Tailwind CSS, Coinbase Design System (CDS).
• Strong understanding of web performance optimization, caching, prefetching, in modern apps.
• Experience with Git, branching strategies, and agile development environments.
• Knowledge of web performance and security best practices.
• Strong understanding of error handling, logging, and debugging strategies.
• Experience integrating with .NET backend services or SignalR (real time updates).

Education

Required: Bachelor's degree in Computer Science, Information Technology, Engineering, or equivalent practical work experience.