Senior Next.js UI Developer

Job Title: Senior Next.js UI Developer

Job Location: Phoenix, AZ | 5 days onsite

AgreeYa is a global Systems Integrator and is seeking an Senior Next.js UI Developer to join our growing team.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 clientside/serverside 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 crossbrowser 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 containerbased deployments).

Required Skills & Experience

• Strong proficiency in JavaScript, TypeScript, React, and Next.js.
• Handson experience with Next.js App Router, routing, layouts, and datafetching 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 (realtime updates).

Education Required::

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

AgreeYa is a global systems integrator delivering competitive advantage for its customers through software, solutions, and services. Established in 1999, AgreeYa is headquartered in Folsom, California, with a global footprint and a team of more than 2,200 staff across offices. AgreeYa works with 500+ organizations ranging from Fortune 100 firms to small and large businesses across industries such as Telecom, Banking, Financial Services & Insurance, Healthcare, Utility & Energy, Technology, Public sector, Pharma & Biotech, and others. 

AgreeYa is an equal opportunity employer. We evaluate qualified applicants without regard to race, color, religion, gender identity, sexual orientation, national origin, disability, veteran status or other protected characteristics.