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

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.

About Us

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.

About The Team

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 and confidential counseling support through our Healthy Minds program
• Career development and training opportunities

Benefits

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.