Senior Next.js UI Developer

Job Title: Senior Next.js UI Developer

Job Location: Phoenix AZ/ Irving TX – 5 days Onsite

Job type: Contract/ C2C

Need an experienced Next.js UI Sr. Developer to join our engineering team. The ideal candidate has strong front end expertise, deep knowledge of React and Next.js , and experience building high performance, scalable, and secure user interfaces. You will collaborate closely with backend engineers,  and designers to deliver modern and responsive 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.
• Work with REST APIs or internal services and manage client‑side/server‑side data flows.
• Use state management solutions such as Zustand, Redux Toolkit, or TanStack Query (React Query).
• 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, Coin Base 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.