Senior ReactJS DeveloperLocation: Sunnyvale, CA 94085Duration: 6 monthsExperience Required5+ years of hands-on experience in ReactJS developmentOverall 5+ years of experience in Frontend Web DevelopmentRequired SkillsReactJSNodeJSCSS3Responsive Web DesignAPI Development & IntegrationJob ResponsibilitiesDesign, develop, and maintain responsive web applications using ReactJS and NodeJS.Build reusable UI components and ensure optimal performance across devices and browsers.Develop and integrate REST APIs and backend services.Implement modern UI/UX designs using HTML5, CSS3, JavaScript, and responsive design principles.Collaborate with product owners, designers, backend developers, and QA teams to deliver high-quality solutions.Troubleshoot, debug, and optimize application performance.Participate in code reviews and follow development best practices.Work in an Agile/Scrum environment and contribute to all phases of the software development lifecycle.Preferred SkillsJavaScript ES6+TypeScriptReduxRESTful APIsGitCI/CD toolsCloud platforms (AWS/Azure)Required QualificationsStrong expertise in ReactJS and NodeJS.Experience building responsive and mobile-friendly web applications.Strong understanding of API integration and frontend-backend communication.Excellent problem-solving and communication skills.