Senior Software Engineer II

Senior Software Engineer II Phoenix, AZ, United States(Hybrid) 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. 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. Responsibilities Sr Software Engineer II leads the full software development lifecycle, ensures technical excellence and adherence to best practices, mentors and coaches junior engineers, and collaborates cross-functionally to achieve organizational goals. Supervises and mentors Software Engineers and cross-functional team of colleagues in specific tasks or projects, fostering their professional growth and ensuring adherence to best practices Provides mentorship and technical leadership to junior engineers, fostering a culture of continuous learning and improvement Leads the entire lifecycle of software applications and systems, ensuring high-quality delivery from inception to deployment Directs the technical aspects of projects, ensuring scalability, performance, and reliability Reviews code for accuracy, quality, and adherence to best practices, offering constructive feedback Establishes and enforces coding standards, development methodologies, and best practices within the team Identifies and resolves performance bottlenecks, ensuring optimal application performance Facilitates collaboration with cross-functional teams to support changes and implementations, ensuring alignment with organizational objectives Collaborates and co-creates effectively with teams in product and the business to align technology initiatives with business objectives Qualifications Education Qualifications: Bachelor's degree in Computer Science, Computer Engineering, and/or comparable experience; advanced degree preferred 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) Work Experience: Software engineering and development experience or a related job Expertise 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) Licenses and Certifications: Employment eligibility to work with American Express in the United States is required as the company will not pursue visa sponsorship for these positions. 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. 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. US Job Seekers - Click to view the "Know Your Rights ( " poster. If the link does not work, you may access the poster by copying and pasting the following URL in a new browser window: 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.? Job Info Job Identification 26014292 Job Category Technology Posting Date 09/28/2026, 06:38 PM Apply Before 10/06/2026, 05:00 AM Degree Level Bachelor's Degree Job Schedule Full time Job Shift Day Locations AMEX 18850 N 56th Street Building 3, Phoenix, AZ, 85054, US(Hybrid) Salary Range $123000 - $215250 annually + bonus + benefits Career Area Technology Return to Jobs List ( American Express