Senior Next.js UI Developer

Sparc Technology Services Inc
  • Irving TX, TX
  • Full-time
30+ days ago

Job Description

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.

Numbers & Facts

LocationIrving TX, TX
Job TypeFull-time

Skills

  • Agile Programming Methodologiesunmatched
  • Application Programming Interface (API)unmatched
  • Authenticationunmatched
  • Best Practicesunmatched
  • CSS (Cascading Style Sheet)unmatched
  • Cachingunmatched
  • Computer Scienceunmatched
  • Continuous Deployment/Deliveryunmatched
  • Continuous Integrationunmatched
  • Debugging Skillsunmatched
  • DevOpsunmatched
  • Error Handlingunmatched
  • Gitunmatched
  • Information Technology & Information Systemsunmatched
  • Internet Applicationunmatched
  • Internet Securityunmatched
  • JavaScriptunmatched
  • Microsoft .NETunmatched
  • Microsoft Windows Azureunmatched
  • Network Routersunmatched
  • OAuthunmatched
  • Performance Tuning/Optimizationunmatched
  • REST (Representational State Transfer)unmatched
  • React.jsunmatched
  • Reliability Engineeringunmatched
  • Sales Managementunmatched
  • Scalable System Developmentunmatched
  • User Experience Design (UXD)unmatched
  • User Interface/Experience (UI/UX)unmatched
  • Web Browsersunmatched
  • Wireframesunmatched

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