Senior Software Engineer II - Quantum Computing - Technology Research and Development

Skip to main content.

View More Jobs

Senior Software Engineer II - Quantum Computing - Technology Research and Development

New York, NY, United States

Phoenix, AZ, United States

Apply Now

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 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.

Responsibilities

• Design, prototype, and evaluate quantum algorithms to address complex computational problems in finance.

• Collaborate with interdisciplinary teams—including quantum scientists, data scientists, and financial engineers—to integrate quantum solutions into real-world financial workflows.

• Develop and maintain quantum software libraries, tools, and simulation environments.

• Present technical findings internally and externally through presentations, seminars, and written documentation.

• Publish high-quality research and represent the organization at leading conferences and industry forums.

Qualifications

• Ph.D. or Master’s degree in Engineering, Physics, Mathematics, Computer Science, or a related discipline; or equivalent industry experience.

• Minimum of 2 years of hands-on experience in quantum computing (QC) or quantum information science (QIS).

• Deep understanding of quantum information theory, including quantum algorithms, error correction, and entanglement.

• Strong foundation in discrete mathematics, numerical methods, and scientific computing.

• Proven track record of peer-reviewed publications in quantum computing or closely related fields.

• Proficiency with one or more quantum programming frameworks: Qiskit (preferred), Cirq, Q#, or similar platforms.

• Advanced programming skills in Python, with experience in developing robust, production-level software.

• Strong analytical and problem-solving abilities with a high level of intellectual curiosity.

• Excellent organizational, communication, and decision-making skills.

Preferred Qualifications

• Familiarity with hybrid quantum-classical approaches and variational algorithms (e.g., VQE, QAOA).

• Experience working with quantum simulators and quantum hardware platforms.

• Exposure to financial modeling, portfolio optimization, or risk analytics is a strong plus.

• 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.

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: https://www.eeoc.gov/poster.

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 Identification26009454
• Job CategoryTechnology
• Posting Date07/10/2026, 03:03 PM
• Apply Before07/24/2026, 12:00 AM
• Degree LevelNo Formal Education
• Job ScheduleFull time
• Job ShiftDay
• LocationsAMEX World Financial Center, New York, NY, 10285, USAMEX 18850 N 56th Street, Phoenix, AZ, 85054, US
• Salary Range$123000 - $215250 annually + bonus + benefits
• Career AreaTechnology

Return to Jobs List

EXPERIENCE THE POWERFUL BACKING OF AMERICAN EXPRESS.

See More Jobs

American English

• Deutsch

• American English

• Español

• Français

• Italiano

• 日本語

• About Team Amex

• Career Areas

• Locations

• Students

• Jobs

Our Use of Cookies

American Express uses cookies on this Jobs website, and the associated Jobs Application webpages, to ensure its proper performance and security and to provide you with the services you have requested (strictly necessary cookies). We also wish to use cookies to remember your preferences, understand how you use this website and enable us and our third-party partners to provide you with online recruitment opportunities ( functional cookies, analytical and performance cookies, and marketing cookies). By clicking “Accept All”, you consent to the use of cookies by us and our partners for the purposes set out in our Cookie Policy. By clicking “Reject All”, only strictly necessary cookies will be placed. You can manage your preferences by clicking 'Manage Preferences' below. For more information on how we use cookies, or to change your cookie preferences at any time, please see our Cookie Policy.

Note: Cookies choices made on this website are specific only to the American Express Jobs and Job Application webpages.

A list of American Express entities using cookies on this website is set out in our Cookie Policy.

Accept AllReject All

Manage Preferences

Are You Still With Us?

It seems you've been gone for a while. For security reasons we will end your session automatically in 03:00 unless you would like to continue working.

End SessionContinue Working

Work Summary

This summary is generated by AI Assist. Click inside the summary text box to make changes as necessary.

DiscardAdd Summary

Page Senior Software Engineer II - Quantum Computing - Technology Research and Development - American Express Careers loaded