Consultant_React JS Developer

React JS developer: The internal project staffing plan identifies a Frontend Engineer role responsible for building the ReactJS Management Portal, supporting workflow management, RBAC-enabled user experiences, and integration with Spring Boot APIs within the enterprise Knowledge Management platform. Job Description: Senior Front-End Engineer (ReactJS Management Portal) Position Title Senior Front-End Engineer (ReactJS) Experience Required 6-9 Years of Relevant Experience Employment Type Full-Time Role Summary We are seeking a highly skilled Senior Front-End Engineer with expertise in ReactJS to design and develop modern, responsive, and scalable management portals. The ideal candidate will be responsible for building intuitive user experiences, implementing role-based workflows, integrating with enterprise APIs, and ensuring the portal meets performance, accessibility, and security standards. This role will play a critical part in developing a ReactJS Management Portal that supports content management, workflow approvals, AI-powered search capabilities, analytics, and administrative functions. Key Responsibilities Front-End Application Development Design, develop, and maintain enterprise-grade web applications using ReactJS. Build reusable UI components and front-end frameworks for consistent user experiences. Develop responsive interfaces that function seamlessly across desktop, tablet, and mobile devices. Implement scalable front-end architectures and component libraries. Collaborate with UX/UI designers to deliver modern and intuitive user interfaces. Management Portal Development Develop management dashboards and administrative interfaces. Implement content management and approval workflows. Build role-based user experiences for Readers, Authors, Approvers, and Administrators. Create portals that support document search, knowledge management, and analytics capabilities. Support enterprise workflow automation through intuitive UI experiences. The Knowledge Management initiative references Reader, Author, and Approver workflows delivered through a React-based management portal. API Integration Integrate React applications with Spring Boot REST APIs. Consume and manage backend services securely. Implement authentication and authorization mechanisms. Handle API state management, caching, and error handling. Optimize client-server communication for performance and scalability. Enterprise architecture documentation references React front ends interacting with Java Spring Boot APIs and PostgreSQL-backed services. User Experience & Accessibility Ensure applications adhere to accessibility standards (WCAG). Create intuitive navigation patterns and modern user experiences. Improve application usability through continuous enhancements. Conduct UI performance tuning and optimization. Security & Compliance Implement secure authentication flows including SSO, OAuth, and JWT-based access. Build UI controls supporting RBAC (Role-Based Access Control). Ensure compliance with organizational security and privacy standards. Secure client-side interaction with enterprise APIs. Performance Optimization Optimize page load times and user interactions. Implement lazy loading, code splitting, and client-side caching techniques. Improve application scalability and responsiveness. Monitor front-end performance metrics and user experience indicators. Quality Engineering Develop unit and integration tests for front-end components. Support automated testing and CI/CD deployments. Participate in peer code reviews and architecture discussions. Follow engineering best practices and coding standards. Collaboration & Leadership Work closely with architects, product owners, UX designers, backend engineers, and QA teams. Participate in application design workshops and sprint planning sessions. Mentor junior developers and contribute to technical decision-making. Drive adoption of front-end best practices and reusable design patterns. Required Qualifications Experience 6-9 years of experience in front-end application development. Minimum 4+ years of hands-on ReactJS development experience. Experience developing enterprise web applications and management portals. Proven experience integrating front-end applications with RESTful APIs. Experience working in Agile/Scrum environments. Technical Skills Front-End Technologies ReactJS TypeScript JavaScript (ES6+) HTML5 CSS3 Tailwind CSS / Material UI / Bootstrap Responsive Design React Ecosystem React Router Redux / Redux Toolkit React Query / TanStack Query Context API Axios Hooks UI/UX Development Component-Based Architecture Design Systems Accessibility (WCAG) Cross-Browser Compatibility Responsive Web Design Backend Integration REST APIs JSON OAuth 2.0 JWT Authentication Spring Boot API Consumption DevOps & Tooling Git GitLab / GitHub CI/CD Pipelines Docker (basic understanding) Build Tools (Webpack, Vite) Cloud Exposure (Preferred) Google Cloud Platform (GCP) Cloud Run API Gateway Enterprise Application Hosting Preferred Qualifications Experience building Knowledge Management Systems (KMS) or Content Management Systems (CMS). Experience implementing role-based workflow applications. Familiarity with enterprise search and AI-powered user experiences. Experience with healthcare, insurance, or regulated industries. Experience developing dashboards, reporting portals, and administrative applications. Knowledge of micro-frontend architectures. Soft Skills Strong problem-solving and analytical skills. Excellent communication and collaboration abilities. Customer-focused mindset with attention to usability. Ability to work independently and within cross-functional teams. Strong ownership and accountability. Key Deliverables ReactJS Management Portal User Administration Dashboard Workflow Management Interfaces Content Management Screens Search and Discovery Portal Analytics and Reporting Dashboards Responsive and Accessible User Experience API Integration Components Success Measures The successful candidate will: Deliver a high-performing and intuitive ReactJS Management Portal. Provide seamless integration with backend APIs and enterprise services. Implement secure role-based user experiences. Improve user productivity through modern UI/UX design. Ensure portal scalability, accessibility, and maintainability. Support enterprise digital transformation initiatives through modern front-end engineering. Primary Technology Stack: ReactJS • TypeScript • Redux • REST APIs • Spring Boot Integration • OAuth/SSO • Responsive UI • Enterprise Portal Development • GCP-Aware Front-End Architecture.