Next.js UI Senior Developer

Job Summary We are seeking an experienced Next.js UI Senior Developer to join our engineering team. The ideal candidate brings strong front-end expertise, deep knowledge of React and Next.js, and proven experience building high-performance, scalable, and secure user interfaces. You will collaborate closely with backend engineers and UX designers to deliver modern, responsive, and reliable web applications. Key Responsibilities Develop, maintain, and optimize web applications using Next.js, React, and modern UI frameworks Build reusable UI components, layouts, and design system-compliant interfaces Integrate with REST APIs and internal services, managing client-side and server-side data flows Implement state management solutions such as Zustand, Redux Toolkit, or TanStack Query (React Query) Apply SSR, SSG, and ISR strategies to improve performance and scalability Ensure responsiveness, accessibility, and cross-browser compatibility Implement secure authentication and authorization flows (e.g., MSAL, OAuth) Configure client-side error logging and monitoring to improve reliability Collaborate with UX designers to translate wireframes into seamless user experiences Write unit, integration, UI, and end-to-end tests using Jest, Testing Library, and Playwright Follow CI/CD pipelines and deployment workflows (e.g., Azure DevOps, 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 modern data fetching patterns Solid understanding of modern UI/CSS frameworks such as Tailwind CSS and enterprise design systems Strong understanding of web performance optimization, caching, and prefetching strategies Experience with Git, branching strategies, and Agile development environments Knowledge of web security best practices Strong understanding of error handling, logging, and debugging strategies Experience integrating with .NET backend services or SignalR (real-time updates) Preferred Qualifications Experience working in enterprise or financial services environments Familiarity with scalable architecture patterns for large-scale web applications Job Types: Full-time, Contract, Permanent Pay: $55.00 - $60.00 per hour Benefits: 401(k) Dental insurance Flexible schedule Health insurance Paid time off Vision insurance Work Location: In person