Sr Software Engineer I - JavaScript - The Card Shop

Joining Amex Tech means discovering and shaping your contribution to something big. Here, you can work alongside talented tech teams and build a unique career with the Powerful Backing of American Express. With a range of opportunities to work with the latest technologies, and a commitment to back the broader engineering community through open source, our mission is to power your success. Because Amex Tech is powered by our technology, our culture, and our colleagues.​

The Technology organization enables and accelerates the company’s growth strategies, delivering global capabilities and services in support of Amex’s customers and colleagues, while maintaining 24/7 servicing and availability to ensure an uninterrupted, high-quality customer experience. Technology provides the foundation for everything we do in the company while driving differentiation through building and leveraging innovative technology and data insights.​

​The U.S. Consumer Services and Membership Digital Experiences Technology team (USCDT) brings together foundational strategic technology capabilities in digital experience engineering (Mobile and Web), marketing and advertising technology, enterprise communications, travel and lifestyle, and dining technology. It employs a ground-breaking focus with development responsibilities for customer-facing capabilities that deepen and expand digital engagement, as well as core technical capabilities that cut across business lines and customer segments.

You will be part of the Card Shop group, which focuses on and strives to provide best in class user experiences to our customers when they shop for American Express products. Your work will be at the frontline of American Express' commitment to excellence to our customers, and thus highly visible, impactful, and rewarding.

If you love the React ecosystem and want to write modern outstanding JavaScript, We are a full stack React and NodeJS shop. We continuously develop high quality React pages comprised of our own sophisticated crafted React components delivering a modern experiences and innovative product to our customers. Whether your thing is to create pure react components or end to end JavaScript or TypeScript solutions we have things that will interest you. American Express as a corporation are a react shop and the digital acquisition's shop team sit on top of the corporation's technology stack allowing developers to concentrate on wholesome JavaScript goodness knowing that what they do makes a difference.

Join Card Shop and help shape the digital experiences customers use to shop for American Express products. As a Senior Software Engineer and hands-on tech lead, you will guide the architecture and delivery of high-impact web capabilities built with JavaScript, TypeScript, React, Node.js, and modern web technologies. The team uses experimentation and a test-and-learn mindset to improve customer engagement and product acquisition.

You will combine deep full-stack engineering with team-level technical leadership: owning complex initiatives, making sound architecture decisions, and helping engineers do their best work. You will also help the team make thoughtful use of modern AI coding agents to improve how we design, build, test, and operate software, while holding the bar for customer experience, security, and quality.

You will work in an agile, cross-functional group where collaboration, automation, technical excellence, and continuous learning matter. Your work will contribute directly to important customer journeys.

- 9+ years of professional software engineering experience, including substantial hands-on experience building modern web applications.
- Demonstrated experience architecting and delivering complex production systems, setting technical direction, and carrying solutions from design through production.
- Strong hands-on expertise in JavaScript and TypeScript, with deep experience in React and Redux or a comparable state-management technology.
- Strong experience with Node.js, REST APIs, Express, and server-side JavaScript or TypeScript development.
- Practical experience with automated testing frameworks such as Jest and Mocha, and with modern JavaScript development practices and web architecture patterns.
- Experience designing and operating applications for scalability, performance, resilience, accessibility, security, and maintainability.
- Demonstrated technical leadership, including mentoring engineers, guiding design decisions, and helping teams reach sound technical outcomes.
- Experience working with Agile development methodologies and DevOps principles, including automated delivery, monitoring, and production support.
- Strong ownership, communication, and collaboration skills, with the ability to work across teams and explain technical decisions and trade-offs.
- A customer-first mindset and a track record of improving digital experiences through engineering quality, automation, and continuous improvement.
- Willingness to experiment with modern AI coding assistants or agents and the judgment to critically review and validate their output.

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