Senior Backend Software Engineer - Global Commercial Services Technology

Senior Backend Software Engineer - Global Commercial Services Technology Seattle, WA, United States Phoenix, AZ, United States New York, NY, United States WA, United States Sunrise, FL, United States (Hybrid) Job Description Global Commercial Services (GCS) serves millions of business customers around the world, from mom-and-pop shops to Fortune 500 companies. We back businesses so they can do more business, with a mission to be the undisputed leader in financial and membership services - responsibly driving double-digit revenue growth. We do that by offering a diverse range of payment and cashflow tools, 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 a full range of their financial and payment needs. The Global Commercial Services team at American Express is seeking a Senior Software Engineer I with deep expertise in backend engineering, distributed systems, and cloud-native development. This role will be instrumental in building scalable platform services that power a next-generation expense management solution for Small and Medium-sized (SMS) businesses and Corporate customers. Responsibilities Design, develop, and deploy scalable backend services and APIs using Golang in AWS environments. Build microservices leveraging domain-driven design and modern architectural patterns such as hexagonal architecture. Collaborate with frontend engineers, product managers, and stakeholders to define service contracts and platform capabilities. Mentor engineers and foster strong collaboration across distributed engineering teams. Evaluate and integrate SaaS, PaaS, and IaaS solutions to meet functional and non-functional requirements. Participate in architecture reviews, RFCs, and proof-of-concept initiatives. Develop highly scalable, resilient, and observable distributed systems. Design and implement event-driven architectures and streaming solutions using Kafka and related messaging technologies. Integrate with workflow orchestration and durable execution frameworks such as Camunda and Temporal. Design and manage data systems across relational, graph, document, search, and OLAP databases. Build and operate cloud-native systems using AWS services such as Lambda, ECS, SQS, API Gateway, RDS, and S3. Implement observability through logging, monitoring, and distributed tracing using tools such as Datadog. Establish backend engineering standards, best practices, and system design conventions. Plan, estimate, and deliver on engineering work while proactively mitigating risks and resolving blockers. Communicate progress and system capabilities to stakeholders and leadership. Qualifications 5+ years of experience in software engineering with a strong focus on backend systems. Bachelor’s degree in Computer Science, Software Engineering, Information Technology, or related field. Strong hands-on experience building backend services using Golang. Strong experience designing and deploying systems in AWS cloud environments. Experience building and operating distributed systems, APIs, and microservices architectures. Experience with domain-driven design and modern architectural patterns. Experience working with a variety of data storage technologies including relational and NoSQL databases. Experience with distributed Postgres-compatible databases such as CockroachDB. Experience integrating workflow orchestration platforms such as Camunda or Temporal. Experience implementing observability, monitoring, and performance optimization tools such as Datadog. Experience collaborating across cross-functional teams and mentoring engineers. Strong communication and problem-solving skills. Experience integrating AI/ML models into backend systems is a plus. Entrepreneurial mindset and passion for building scalable systems. Employment eligibility to work with American Express in the United States is required as the company will not pursue visa sponsorship for this position. 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 26009320 Job Category Technology Posting Date 08/10/2026, 04:25 PM Apply Before 12/31/2026, 06:00 AM Degree Level High School Graduate Job Schedule Full time Job Shift Day Locations Virtual Location Virginia, Richmond, VA, 23220, US(Hybrid) Salary Range $123,000.00 to $215,250.00 annually + bonus + benefits Career Area Technology Return to Jobs List ( American Express