Senior Java Front-End Developer (Next.js / React)

Our client is looking for a talented and passionate Front-End Developer with deep Next.js expertise to join a growing engineering team. You will build modern, scalable, high-performance web applications that integrate seamlessly with Java Spring Boot backend services. This is a hands-on role for a senior engineer who is comfortable working across the stack with a strong frontend focus., * Design, develop, and maintain responsive web applications using Next.js and React.js

• Build reusable UI components and frontend libraries
• Implement Server-Side Rendering (SSR), Static Site Generation (SSG), and Incremental Static Regeneration (ISR)
• Optimize application performance, SEO, accessibility, and user experience
• Ensure cross-browser and cross-device compatibility
• Integrate frontend applications with Java-based backend systems and REST APIs
• Work closely with Java/Spring Boot developers to define and consume APIs
• Collaborate with product managers, architects, and UX designers to deliver business requirements

• Bachelor’s degree in Computer Science, Information Technology, or a related field
• 10+ years of experience in front-end or full-stack development
• 5+ years of hands-on experience building production applications with Next.js and React.js
• Strong proficiency in JavaScript (ES6+), TypeScript, HTML5, and CSS3
• Hands-on experience with Next.js App Router, SSR, SSG, and API Routes
• Experience with UI libraries such as Tailwind CSS, Material UI, Bootstrap, or Ant Design
• Experience integrating with Java Spring Boot services and REST APIs
• Strong understanding of responsive design, accessibility standards, and cross-browser compatibility
• Experience with state management (Redux Toolkit, Context API, or Zustand)
• Knowledge of authentication and authorization: OAuth2, OpenID Connect, and JWT
• Experience with testing tools such as Jest, React Testing Library, Cypress, or Playwright
• Experience with Git, Azure DevOps, GitHub, CI/CD pipelines, and modern development workflows
• Familiarity with Agile/Scrum methodologies

Preferred Qualifications

• Cloud experience (Microsoft Azure, AWS, or Google Cloud Platform)
• Docker and Kubernetes
• Experience with enterprise-grade Spring Boot microservices architectures
• Knowledge of web application security best practices and performance optimization
• Experience building SaaS, multi-tenant, or B2B enterprise applications
• GraphQL and modern API integration patterns
• Performance monitoring and observability tools
• Exposure to DevOps practices and Infrastructure as Code (IaC)
• Experience with AI-enabled web applications and modern frontend architectures
• Knowledge of Progressive Web Apps (PWA), SEO optimization, and WCAG accessibility

Primary Skills

Next.js, React.js, TypeScript and JavaScript (ES6+), HTML5 and CSS3, Java / Spring Boot integration, REST API integration, SSR / SSG / ISR, state management (Redux Toolkit / Zustand), OAuth2 / OIDC / JWT, Jest / React Testing Library / Cypress / Playwright, Years of experience in Next.js, React, and Java/Spring Boot integration