Software Engineer III

We are seeking a React Developer to join the One Identity team. This role is an individual contributor responsible for designing and developing modern web components that power critical digital authentication and authorization experiences.

You will contribute to the architecture, development, and testing of scalable front-end applications, working closely with engineers, product partners, and platform teams. This role requires strong technical expertise, attention to detail, and a passion for delivering high-quality user experiences.

• Design, develop, and maintain scalable and reusable UI components using React
• Collaborate with cross-functional teams to deliver secure, performant, and accessible user experiences
• Translate product requirements into high-quality technical solutions
• Write clean, maintainable, and well-tested code using modern JavaScript practices
• Develop and execute unit and integration tests using React Testing Library
• Integrate front-end applications with RESTful APIs and backend services
• Participate in code reviews to ensure high standards of code quality and performance
• Identify opportunities to improve application performance, scalability, and developer experience
• Contribute to technical discussions and help drive best practices across the team
• Stay current with emerging front-end technologies and frameworks

• 3–5+ years of experience in front-end development
• Strong proficiency in React, JavaScript (ES6+), HTML5, and CSS3
• Experience with React Hooks and functional component patterns
• Experience with state management tools such as Redux and/or Context API
• Experience with React Testing Library or similar testing frameworks
• Experience integrating with RESTful APIs
• Familiarity with JSON and web service technologies
• Understanding of performance optimization techniques for web applications
• Experience working in agile development environments

Employment eligibility to work with American Express in the United States is required as the company will not pursue visa sponsorship for these positions.

At American Express, our culture is built on a 175-year history of innovation, shared valuesand Leadership Behaviors, and an unwavering commitment to back our customers, communities, and colleagues. From delivering differentiated products to providing world-class customer service, we operate with a strong risk mindset, ensuring we continue to uphold our brand promise of trust, security, and service.

As part of Team Amex, you’ll experience our powerful backing with comprehensive support for your holistic well-being and many opportunities to learn new skills, develop as a leader, and grow your career. Here, your voice and ideas matter, your work makes an impact, and together, you will help us define the future of American Express.