Senior Software Engineer - Mainframe Technologies - Global Commercial Services

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.

How will you make an impact in this role?

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.

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 pa