Sr Software Engineer I

Job Description

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.

American Express Global Payment Network powers real-time, low-latency card transactions worldwide and is investing in next-generation, cloud-native, AI-enabled platforms to drive innovation, operational excellence, and the future of global commerce.

As a Senior Engineer, you will be a hands-on technical leader responsible for designing, developing, and delivering highly scalable, resilient, and secure full-stack applications that power our Global Payment Network platform.

You will help shape the future of software engineering by leveraging modern cloud technologies, distributed systems, and AI-enabled development practices. Working closely with Product Owners, Architects, Data Scientists, and Engineering teams, you will build intelligent, customer-centric solutions that drive business growth while maintaining the reliability, performance, and security expected of a world-class payments platform.

Responsibilities

Technical Leadership & Engineering Excellence

• Serve as a technical leader within Agile teams, driving architecture, software design, code quality, automated testing, and continuous integration practices.
• Design and develop highly available, fault-tolerant, low-latency distributed systems and full-stack applications.
• Lead technical design discussions, perform code reviews, mentor engineers, and promote engineering best practices.
• Debug complex software issues and drive resolution of production incidents and performance bottlenecks.
• Take ownership of team outcomes, contributing to delivery excellence, operational reliability, and engineering effectiveness.

Full Stack Development

• Build and maintain modern web applications using React, Redux, JavaScript/TypeScript, Java, and related technologies.
• Design and develop scalable APIs, microservices, and event-driven solutions.
• Collaborate across engineering teams to deliver secure, high-performing, and customer-focused digital experiences.
• Support applications throughout the software development lifecycle, including production operations and continuous improvement.

AI-Enabled Engineering & Innovation

• Leverage AI-assisted development tools, autonomous coding agents, and intelligent engineering workflows to improve productivity, quality, and delivery velocity.
• Identify opportunities to incorporate AI-driven capabilities, automation, and intelligent decision-making into products and engineering processes.
• Build proofs of concept and evaluate emerging technologies, AI frameworks, and open-source solutions.
• Champion a culture of innovation, experimentation, continuous learning, and data-driven decision-making.

Collaboration & Influence

• Partner with Product, Architecture, Platform, and Engineering teams across multiple locations to deliver strategic initiatives.
• Drive technical strategy and influence engineering decisions through strong communication and stakeholder engagement.
• Challenge conventional approaches and foster an environment that encourages innovation and continuous improvement.

As part of our diverse tech team, you can architect, code and ship software that makes us an essential part of our customers’ digital lives. Here, you can work alongside talented engineers in an open, supportive, inclusive environment where your voice is valued, and you make your own decisions on what tech to use to solve challenging problems. Amex offers a range of opportunities to work with the latest technologies and encourages you to back the broader engineering community through open source. And because we understand the importance of keeping your skills relevant, we give you dedicated time to invest in your professional development. Find your place in technology on #TeamAmex

Qualifications

Minimum Qualifications

• Bachelor’s degree in computer science, Information Systems, or related field, or equivalent practical experience.
• 8+ years of professional software development experience.
• 5+ years of hands-on UI development experience.
• Strong expertise building modern front-end applications using React, Redux, JavaScript, and related web technologies.
• Experience developing enterprise applications using Java and/or Node.js.
• Strong understanding of software engineering principles, object-oriented design, and distributed systems.
• Experience designing and building RESTful APIs, microservices, and event-driven architectures.
• Experience working in Agile development environments.
• Experience with NoSQL databases and distributed technologies such as Redis, Kafka, Cassandra, Couchbase, or equivalent platforms.

Preferred Qualifications

• Experience building cloud-native applications using Docker, Kubernetes, OpenShift, or similar platforms.
• Experience supporting large-scale, high-availability production systems.
• Knowledge of distributed system observability, tracing, monitoring, and performance optimization.
• Experience with DevOps practices, CI/CD pipelines, Jenkins, Git, and related tooling.
• Familiarity with Generative AI, Large Language Models (LLMs), AI-assisted development tools, and emerging Agentic AI concepts.
• Excellent communication, presentation, and stakeholder management skills.

Depending on factors such as business unit requirements, the nature of the position, cost and applicable laws, American Express may provide visa sponsorship for certain positions.

About us

At American Express, our culture is built on a 175-year history of innovation, shared values and 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.

About

We back you with benefits that support your holistic well-being so you can be and deliver your best. This means caring for you and your loved ones' physical, financial, and mental health, as well as providing the flexibility you need to thrive personally and professionally:

• Competitive base salaries
• Bonus incentives
• 6% Company Match on retirement savings plan
• Free financial coaching and financial well-being support
• Comprehensive medical, dental, vision, life insurance, and disability benefits
• Flexible working model with hybrid, onsite or virtual arrangements depending on role and business need
• 20+ weeks paid parental leave for all parents, regardless of gender, offered for pregnancy, adoption or surrogacy
• Free access to global on-site wellness centers staffed with nurses and doctors (depending on location)
• Free and confidential counseling support through our Healthy Minds program
• Career development and training opportunities

For a full list of Team Amex benefits, visit our Colleague Benefits Site.

American Express is an equal opportunity employer and makes employment 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. American Express will consider for employment all qualified applicants, including those with arrest or conviction records, in accordance with the requirements of applicable state and local laws, including the California Fair Chance Act, the Los Angeles County Fair Chance Ordinance for Employers, and the City of Los Angeles’ Fair Chance Initiative for Hiring Ordinance. For positions covered by federal and/or state banking regulations, American Express will comply with such regulations as it relates to the consideration of applicants with criminal convictions.
We back our colleagues with the support they need to thrive, professionally and personally. That's why we have Amex Flex, our enterprise working model that provides greater flexibility to colleagues while ensuring we preserve the important aspects of our unique in-person culture. Depending on role and business needs, colleagues will either work onsite, in a hybrid model (combination of in-office and virtual days) or fully virtually.
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The below represents the expected salary range for this job requisition. Ultimately, in determining your pay, we’ll consider your location, experience, and other job-related factors.​