Senior Frontend Software Engineer

About the role

American Express is looking for a Senior Frontend Software Engineer to join the Global Commercial Services team. This position focuses on creating a modern expense management platform that enhances the digital experience for small and medium-sized businesses as well as corporate clients. You will play a vital role in developing user-friendly, scalable web applications.

Key facts

What you'll do

• Oversee the design, development, and implementation of web applications utilizing React and TypeScript.
• Work closely with product managers, designers, and other stakeholders to define product specifications and enhance user experiences.
• Construct scalable and accessible frontend architectures and component libraries.
• Create data-driven user interfaces, dashboards, and dynamic forms using JSON-schema or similar technologies.
• Collaborate with backend developers to integrate APIs for comprehensive functionality.
• Guide junior engineers and foster a collaborative culture within the team and engineering guilds.
• Incorporate analytics and observability features into frontend applications.
• Enhance performance, scalability, and reliability across various browsers and devices.
• Engage in architecture discussions, RFCs, and proof-of-concept projects.
• Maintain coding standards, testing protocols, and design guidelines.
• Plan, estimate, and manage deliverables while identifying risks and resolving issues.
• Communicate progress and showcase milestones to stakeholders, integrating feedback for continuous improvement.

Requirements

• Minimum of 5 years of software engineering experience with a concentration on frontend development.
• Proven experience working closely with product management and UX design teams.
• Strong design sensibility with an emphasis on creating pixel-perfect user interfaces.
• Excellent communication, leadership, and mentoring capabilities.
• Advanced proficiency in React and TypeScript.
• Extensive hands-on experience with modern web applications, including:
• Web: Next.js (App Router, RSC), React 19.
• Mobile: React Native (Expo), React 19.
• Monorepo: Turborepo.
• Data & state management: TanStack Query (React Query) for server state, Zustand for client state, and tRPC for type-safe client-server interactions.
• UI & design systems: Tailwind CSS, class-variance-authority, and an internal component library; Framer Motion and react-reanimated for animations.
• Observability & analytics: Datadog RUM and APM, Amplitude, FullStory.
• Testing: Vitest for unit and integration tests; familiarity with component, visual, and end-to-end testing methods.
• CI/CD: GitHub Actions.

Practical notes

Candidates must be eligible to work in the United States as American Express will not sponsor visas for this role.

About Us

American Express has a rich history of innovation spanning 175 years, grounded in shared values and a commitment to supporting our customers, communities, and employees. We prioritize delivering exceptional products and services while maintaining a strong risk mindset to uphold our brand promise of trust and security.

About The Team

We offer a range of benefits designed to support your overall well-being, allowing you to perform at your best. This includes competitive salaries, bonus opportunities, a 6% company match on retirement savings, financial coaching, comprehensive health benefits, flexible work arrangements, generous parental leave, access to wellness centers, and career development opportunities.

For a detailed list of benefits, please visit our Colleague Benefits Site.

American Express is an equal opportunity employer and makes hiring decisions without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran status, disability status, age, or any other status protected by law. We consider all qualified applicants, including those with criminal records, in compliance with applicable laws.

We support our employees with the resources they need to thrive in both their professional and personal lives. Our Amex Flex model offers flexibility in work arrangements while maintaining our strong in-person culture. Depending on the role and business needs, employees may work onsite, in a hybrid model, or fully remotely.

US Job Seekers

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The expected salary range for this position will be determined based on location, experience, and other relevant factors.