{"schemaVersion":"jobsearcher.job.v1","id":"46f433c08c445e10a640401e","url":"https://jobsearcher.com/jobs/46f433c08c445e10a640401e","canonicalUrl":"https://jobsearcher.com/jobs/46f433c08c445e10a640401e","title":"Senior React Developer","description":"Job DescriptionWe are looking for an experienced Senior React Developer to design, develop, and maintain high-quality, responsive, and scalable web applications. The ideal candidate will have strong expertise in React, JavaScript (ES6+), HTML, CSS, and REST API integration, with a focus on delivering pixel-perfect user interfaces and excellent user experiences across browsers and devices.The candidate should be comfortable collaborating with cross-functional teams, solving complex technical challenges, and optimizing applications for performance, accessibility, and scalability.Key ResponsibilitiesDesign, develop, and maintain responsive web applications using React.Build reusable, scalable, and maintainable UI components.Develop pixel-perfect user interfaces using HTML5, CSS3, and JavaScript (ES6+).Ensure consistent application behavior across major browsers and different viewport sizes.Integrate REST APIs and collaborate with backend developers to ensure seamless data exchange.Design, implement, and document REST API integrations as required.Optimize applications for speed, accessibility, responsiveness, and scalability.Troubleshoot, debug, and resolve technical issues to improve application reliability.Follow best practices for code quality, performance optimization, and maintainable software development.Collaborate with designers, product managers, and other developers to translate requirements into effective technical solutions.Required Qualifications5+ years of professional experience in software application development.Strong hands-on experience with React and modern JavaScript (ES6+).Strong knowledge of HTML5, CSS3, and rich web UI behaviors.Experience implementing pixel-perfect interfaces across major browsers and viewport sizes.Experience designing, developing, integrating, and documenting REST APIs.Familiarity with modern JavaScript frameworks such as React, Angular 2+, or Vue.Bachelor’s degree in Computer Science or equivalent professional experience.Intermediate conversational English proficiency.Strong problem-solving, analytical, and communication skills.Preferred QualificationsExperience in e-commerce application development.Knowledge of web accessibility standards and responsive design principles.Experience optimizing web applications for performance and scalability.Familiarity with modern frontend development tools, testing practices, and component-based architecture.","company":"Functionary","rawCompany":"functionary","city":"Northern Cambria","state":"PA","isRemote":false,"isActive":false,"createdAt":"2026-10-30T07:49:00.178Z","occupations":[{"code":"15-1254.00","title":"Web Developers","slug":"web-developers"},{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1255.00","title":"Web and Digital Interface Designers","slug":"web-and-digital-interface-designers"}],"industries":[{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Senior React Developer","description":"Job DescriptionWe are looking for an experienced Senior React Developer to design, develop, and maintain high-quality, responsive, and scalable web applications. The ideal candidate will have strong expertise in React, JavaScript (ES6+), HTML, CSS, and REST API integration, with a focus on delivering pixel-perfect user interfaces and excellent user experiences across browsers and devices.The candidate should be comfortable collaborating with cross-functional teams, solving complex technical challenges, and optimizing applications for performance, accessibility, and scalability.Key ResponsibilitiesDesign, develop, and maintain responsive web applications using React.Build reusable, scalable, and maintainable UI components.Develop pixel-perfect user interfaces using HTML5, CSS3, and JavaScript (ES6+).Ensure consistent application behavior across major browsers and different viewport sizes.Integrate REST APIs and collaborate with backend developers to ensure seamless data exchange.Design, implement, and document REST API integrations as required.Optimize applications for speed, accessibility, responsiveness, and scalability.Troubleshoot, debug, and resolve technical issues to improve application reliability.Follow best practices for code quality, performance optimization, and maintainable software development.Collaborate with designers, product managers, and other developers to translate requirements into effective technical solutions.Required Qualifications5+ years of professional experience in software application development.Strong hands-on experience with React and modern JavaScript (ES6+).Strong knowledge of HTML5, CSS3, and rich web UI behaviors.Experience implementing pixel-perfect interfaces across major browsers and viewport sizes.Experience designing, developing, integrating, and documenting REST APIs.Familiarity with modern JavaScript frameworks such as React, Angular 2+, or Vue.Bachelor’s degree in Computer Science or equivalent professional experience.Intermediate conversational English proficiency.Strong problem-solving, analytical, and communication skills.Preferred QualificationsExperience in e-commerce application development.Knowledge of web accessibility standards and responsive design principles.Experience optimizing web applications for performance and scalability.Familiarity with modern frontend development tools, testing practices, and component-based architecture.","datePosted":"2026-10-30T07:49:00.178Z","dateModified":"2026-10-30T07:49:00.178Z","hiringOrganization":{"@type":"Organization","name":"Functionary","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Northern Cambria","addressRegion":"PA","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"46f433c08c445e10a640401e"},"url":"https://jobsearcher.com/jobs/46f433c08c445e10a640401e"}}