Software Engineer III
Confirmed on the employer's own hiring board on Nov 7, 2026. First seen by Alion on Nov 5, 2026. American Express scores A on the Alion truth index.
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.
Global Commercial Services (GCS) serves millions of business customers around the world, from mom-and-pop shops to approximately 70% of the S&P 500. We are the number one issuer of small business cards, the industry leader in corporate T&E and represent approximately 40% of the company’s total revenues. Our vision is to be essential to our customers’ businesses every day. We do that by offering a diverse suite of payment and cashflow tools our customers need to run and grow their businesses, from a wide range of traditional card products, to working capital and supply chain financing, to new digital solutions that make it easy for our customers to manage their financial and payment needs.
Advances the design, development, testing, and deployment of software applications and systems
Drives the modification, documentation, and maintenance of software to ensure high reliability and availability
Collaborates with cross-functional teams to address advanced technical challenges and optimize application performance
Analyzes system requirements and delivers innovative technical solutions to enhance software quality and efficiency
Completes code reviews and automated testing to maintain high-quality code standards
Collaborates and co-creates effectively with teams in product and the business to align technology initiatives with business objectives
Applies AI tools to improve software design, coding, and testing practices and identifies opportunities to embed AI into development workflows while validating AI-generated recommendations prior to implementation and maintaining accountability for outputs
Guides team members on effective use of AI-assisted development tools
Education and Knowledge
Bachelor's degree in Computer Science, Computer Engineering, and/or comparable experience
Knowledge of distributed (multi-tiered) systems, algorithms, NoSQL and relational databases
Knowledge of the core tools used in the planning, analyzing, crafting, building, testing, configuring, and maintaining of assigned application(s)
Understanding of emerging AI capabilities in software engineering
Work Experience
Software engineering and development experience or a related job
Experience in application design, software development, and automated testing
Experience in object-oriented design and coding with variety of languages
Experience in distributed (multi-tiered) systems, algorithms, and relational databases
Experience in Agile software development methodologies and practices such as Scrum/Kanban, iterations, user stories
Experience in automation testing and documentation (i.e. automated, functional, and performance)
Experience integrating AI tools into end-to-end development workflows
Experience supporting adoption of AI-enabled development practices
Employment eligibility to work with American Express in the United States is required as the company will not pursue visa sponsorship for these positions.