Senior Python Engineer - Generative AI

Company: American Express
Location: Phoenix
Posted on: January 9, 2026

Job Description:

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. As part of Team Amex, youll experience this 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. 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 Enterprise Data and AI organization unites the data governance, strategy, engineering, and product teams with those responsible for AI engineering, generative AI enablement, and automation product and engineering. This group plays a pivotal role in leveraging data as a core driver of innovation and integrating AI capabilities to transform products, operations, and customer experiences. The EDAI organization also incorporates technology Research & Development and experimentation with emerging capabilities, along with engineering support for Amex Digital Labs. This integration ensures that research breakthroughs seamlessly translate into business impact. The Technology Community Office is in search of a Senior Engineer - Generative AI to expand the team and our ability to deliver positive community experiences to developers at American Express. Who are the Technology Community Office (TCO) The mission of the Technology Community Office is to ensure American Express is positioned as a first-class technology company with a peerless engineering culture. This sees the office encouraging and curating participation in communities both internal and external fostering a sense of belonging among technologists. The office believes strongly in the power of community, not only unlocking the aggregate benefits of collaboration at scale, but the individual benefits that come from being part of a larger whole. Some of the work of the TCO includes fostering innovation, encouraging participation in open-source communities, helping internal Engineering Guilds flourish, sponsoring community efforts such as conferences, foundations, and software organizations, empowering developers though documentation and content, reaching out to external technologists as ambassadors of American Express, building recognition programs, and gathering community sentiment feedback. Ultimately, the work of the TCO is to encourage and maximize the human side of technology, anywhere people are coming together to do their best work. Who are You? You are passionate about community – Community work isn’t for everyone, but for you, playing “chief organizer” and assembling teams that are greater than the sum of the parts provides great satisfaction. You bring people together, setting a vision and inspiring people to work toward audacious goals, you connect people to purpose. You’re optimistic about the future of Amex and you’re tenacious in working to make it real. You lift others – Your satisfaction comes from winning as a team. You build common tools and documentation to empower others to be their best. You mentor other developers and help them succeed. You understand the power of recognition and frequently dole out authentic praise. Colleagues do better work and enjoy doing it on a team with you. You lead without authority – You’re not afraid to sit at the head of the table, and rarely remember your official title. You produce content that is consumed widely, your ideas are discussed and adopted at increasing orbits of influence. You enjoy speaking to large groups and lending your voice in group settings. People have changed the way they think and do work because they spent time with you. Others look to you for understanding and advice. You are professionally curious – You bring clarity to the confusing and you thrive on exploration. You seek data to drive your decisions and are ready to learn. You have expertise but it does not constrain you, willing to put forth your best efforts as a “polymath”. You seek alternate perspectives and use them to make connections that others have overlooked. Basic Qualifications: • 5 years of professional software development experience. • Proven, strong Python skills, including advanced algorithms are a must. • Experience in design/architecture of systems. • Full software development lifecycle experience. • Skilled in deploying and scaling products in public cloud. • Knowledge of Generative AI and Large Language Model inference. • Knowledge of AI tools and frameworks, such as Langchain, LlamaIndex, Semantic Kernel, etc. • Experience in Data Science and analytics a big plus. • Passion for cutting edge technologies and excitement to be part of a Research & Development team. Salary Range: $123,000.00 to $215,250.00 annually bonus benefits The above 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. 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

Keywords: American Express, Sun City , Senior Python Engineer - Generative AI, IT / Software / Systems , Phoenix, Arizona