Senior Software Engineer - Mainframe Technologies - Global Commercial Services

Technology Role At American Express

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, you'll 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.

In this role, you will oversee all technical aspects of our regional corporate hierarchy and limits applications, ensuring these critical systems remain secure, resilient, and highly available. At the same time, you will be an active contributor to modernization efforts aimed at enabling the deprecation and transformation of mainframe-based systems toward scalable, cloud-aligned architectures. You will work closely with cross-functional engineering and architecture teams to maintain stability in our existing COBOL/DB2-based applications while advancing the evolution to distributed, API-driven, and event-based solutions.

Minimum Qualifications:

• Bachelor's degree in Computer Science, Information Systems, or related field (or equivalent experience).
• 5 years of experience in mainframe application development using COBOL, JCL, CICS, and DB2.
• Proven track record of maintaining and enhancing mission-critical enterprise systems.
• Demonstrated ability to analyze complex legacy applications and identify modernization opportunities.
• Excellent problem-solving, debugging, and communication skills.
• Growth mindset with a strong desire to expand skills into distributed systems and cloud technologies.

Preferred Qualifications:

• Familiarity with modern programming languages such as Java, Scala, Kotlin.
• Experience with cloud platforms (e.g., AWS, GCP, Azure) and API or event-driven architectures.
• Understanding of mainframe modernization strategies—including rehosting, refactoring, or replacement.
• Experience in financial services or similar large-scale transactional systems.
• Exposure to CI/CD pipelines, Git-based source control, and Agile development methodologies.

Qualifications:

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

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, but not limited to, 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.

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Employment eligibility to work with American Express in the United States is required as the company will not pursue visa sponsorship for these positions. 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.

Job: Technology

Primary Location: US-Arizona-Phoenix

Schedule: Full-time

Req ID: 25021394