{"schemaVersion":"jobsearcher.job.v1","id":"38e2050145b8c7048462e656","url":"https://jobsearcher.com/jobs/38e2050145b8c7048462e656","canonicalUrl":"https://jobsearcher.com/jobs/38e2050145b8c7048462e656","title":"UI Developer","description":"We are looking for an experienced UI Developer with strong hands-on expertise in ReactJS, JavaScript/TypeScript, HTML5, and CSS3 to support OneAmex applications.The ideal candidate must have hands-on experience working on AMEX (American Express) applications, specifically OneAmex. This is a mandatory requirement and candidates without relevant AMEX/OneAmex experience will not be considered.The candidate will be responsible for designing, developing, enhancing, and maintaining responsive and scalable web applications while working closely with product owners, UX/UI designers, backend engineers, and other technical stakeholders in an Agile environment.Key Responsibilities:Design, develop, and maintain modern, responsive, and scalable web applications using ReactJS.Build reusable and maintainable UI components using React, JavaScript/TypeScript, HTML5, and CSS3.Work on OneAmex / AMEX applications and contribute to enhancements, new features, and application modernization initiatives.Translate business and functional requirements into high-quality technical solutions.Develop responsive user interfaces that work effectively across browsers and devices.Integrate frontend applications with backend services using REST APIs.Collaborate with UX/UI designers to implement user-friendly and accessible interfaces.Write clean, scalable, reusable, and well-documented code.Perform unit testing, debugging, troubleshooting, and performance optimization.Identify and resolve UI, application, and integration issues.Participate in code reviews and follow established development standards and best practices.Work closely with cross-functional teams including product owners, QA engineers, backend developers, and architects.Participate in Agile ceremonies including sprint planning, daily stand-ups, backlog refinement, demos, and retrospectives.Use Git for source code management and follow established branching and version-control practices.Support application deployments, production issues, and post-release activities when required.Continuously evaluate and implement improvements to application performance, usability, security, and maintainability.Required Technical SkillsFront-End DevelopmentStrong hands-on experience with ReactJS.Strong knowledge of JavaScript and/or TypeScript.Excellent experience with HTML5 and CSS3.Experience developing responsive and scalable web applications.Strong understanding of reusable UI components and modern frontend development practices.Experience with browser compatibility and responsive design.API & IntegrationGood understanding and hands-on experience consuming REST APIs.Understanding of frontend/backend integration patterns.Ability to troubleshoot API and UI integration issues.Development Tools & PracticesHands-on experience with Git and version-control systems.Experience working in Agile/Scrum development environments.Strong debugging and troubleshooting capabilities.Experience with code reviews, testing, and software development best practices.Mandatory Requirement – AMEX / OneAmex ExperienceAMEX experience is mandatory.Candidates must have:Hands-on experience working on American Express (AMEX) applications.Specifically, hands-on experience with OneAmex applications/projects.Ability to explain their previous OneAmex/AMEX project, responsibilities, technologies used, and contributions during the interview.Experience working within an enterprise AMEX technology environment is strongly preferred.Candidates without direct AMEX / OneAmex experience should not be submitted.Preferred SkillsExperience with modern ReactJS development patterns.TypeScript experience.Experience with frontend performance optimization.Knowledge of accessibility and responsive web design.Experience with CI/CD pipelines and automated deployments.Familiarity with frontend testing frameworks.Experience working with enterprise-scale applications.Experience working with distributed Agile teams.Required Qualifications7–12 years of overall software/UI development experience.Strong hands-on experience in ReactJS.Strong experience with JavaScript/TypeScript.Strong knowledge of HTML5 and CSS3.Demonstrated experience developing responsive and scalable web applications.Experience with REST APIs and Git.Strong debugging, analytical, and problem-solving skills.Experience working in an Agile development environment.Mandatory hands-on One Amex / AMEX application experience.Strong communication and collaboration skills.Work Location & SchedulePhoenix, ArizonaDay 1 Onsite5 Days Onsite per WeekLocal Phoenix candidates will be preferred first.Candidates must be comfortable working onsite throughout the engagement","company":"Innorev Technologies","rawCompany":"innorev technologies","city":"Phoenix","state":"AZ","isRemote":false,"isActive":false,"createdAt":"2026-09-02T07:49:59.952Z","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":"513210","title":"Software Publishers","slug":"software-publishers"},{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"UI Developer","description":"We are looking for an experienced UI Developer with strong hands-on expertise in ReactJS, JavaScript/TypeScript, HTML5, and CSS3 to support OneAmex applications.The ideal candidate must have hands-on experience working on AMEX (American Express) applications, specifically OneAmex. This is a mandatory requirement and candidates without relevant AMEX/OneAmex experience will not be considered.The candidate will be responsible for designing, developing, enhancing, and maintaining responsive and scalable web applications while working closely with product owners, UX/UI designers, backend engineers, and other technical stakeholders in an Agile environment.Key Responsibilities:Design, develop, and maintain modern, responsive, and scalable web applications using ReactJS.Build reusable and maintainable UI components using React, JavaScript/TypeScript, HTML5, and CSS3.Work on OneAmex / AMEX applications and contribute to enhancements, new features, and application modernization initiatives.Translate business and functional requirements into high-quality technical solutions.Develop responsive user interfaces that work effectively across browsers and devices.Integrate frontend applications with backend services using REST APIs.Collaborate with UX/UI designers to implement user-friendly and accessible interfaces.Write clean, scalable, reusable, and well-documented code.Perform unit testing, debugging, troubleshooting, and performance optimization.Identify and resolve UI, application, and integration issues.Participate in code reviews and follow established development standards and best practices.Work closely with cross-functional teams including product owners, QA engineers, backend developers, and architects.Participate in Agile ceremonies including sprint planning, daily stand-ups, backlog refinement, demos, and retrospectives.Use Git for source code management and follow established branching and version-control practices.Support application deployments, production issues, and post-release activities when required.Continuously evaluate and implement improvements to application performance, usability, security, and maintainability.Required Technical SkillsFront-End DevelopmentStrong hands-on experience with ReactJS.Strong knowledge of JavaScript and/or TypeScript.Excellent experience with HTML5 and CSS3.Experience developing responsive and scalable web applications.Strong understanding of reusable UI components and modern frontend development practices.Experience with browser compatibility and responsive design.API & IntegrationGood understanding and hands-on experience consuming REST APIs.Understanding of frontend/backend integration patterns.Ability to troubleshoot API and UI integration issues.Development Tools & PracticesHands-on experience with Git and version-control systems.Experience working in Agile/Scrum development environments.Strong debugging and troubleshooting capabilities.Experience with code reviews, testing, and software development best practices.Mandatory Requirement – AMEX / OneAmex ExperienceAMEX experience is mandatory.Candidates must have:Hands-on experience working on American Express (AMEX) applications.Specifically, hands-on experience with OneAmex applications/projects.Ability to explain their previous OneAmex/AMEX project, responsibilities, technologies used, and contributions during the interview.Experience working within an enterprise AMEX technology environment is strongly preferred.Candidates without direct AMEX / OneAmex experience should not be submitted.Preferred SkillsExperience with modern ReactJS development patterns.TypeScript experience.Experience with frontend performance optimization.Knowledge of accessibility and responsive web design.Experience with CI/CD pipelines and automated deployments.Familiarity with frontend testing frameworks.Experience working with enterprise-scale applications.Experience working with distributed Agile teams.Required Qualifications7–12 years of overall software/UI development experience.Strong hands-on experience in ReactJS.Strong experience with JavaScript/TypeScript.Strong knowledge of HTML5 and CSS3.Demonstrated experience developing responsive and scalable web applications.Experience with REST APIs and Git.Strong debugging, analytical, and problem-solving skills.Experience working in an Agile development environment.Mandatory hands-on One Amex / AMEX application experience.Strong communication and collaboration skills.Work Location & SchedulePhoenix, ArizonaDay 1 Onsite5 Days Onsite per WeekLocal Phoenix candidates will be preferred first.Candidates must be comfortable working onsite throughout the engagement","datePosted":"2026-09-02T07:49:59.952Z","dateModified":"2026-09-02T07:49:59.952Z","hiringOrganization":{"@type":"Organization","name":"Innorev Technologies","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Phoenix","addressRegion":"AZ","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"38e2050145b8c7048462e656"},"url":"https://jobsearcher.com/jobs/38e2050145b8c7048462e656"}}