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Job Title


Senior Software Engineer - Global Commercial Services Technology


Company : MSCCN


Location : New York City, NY


Created : 2026-04-22


Job Type : Full Time


Job Description

Senior 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 The Global Commercial Services team at American Express is looking for a seasoned Senior Engineer I with extensive full-stack development expertise, a strategic product management mindset, and a proven history of successfully leading and mentoring software engineering teams. This role will be pivotal in shaping and building our next-generation expense management platform, designed to provide actionable insights into business spending for our Small and Medium-sized (SMS) businesses and Corporate customers. We aim to deliver an innovative, scalable, and highly integrated expenses solution that transforms business spending into a seamless, insightful experience. Responsibilities u2022 Play a critical role in the design, development, and deployment of our next-generation expense management solution. u2022 Collaborate closely with product managers, designers, and stakeholders to refine and shape product requirements, ensuring clarity and readiness for engineering. u2022 Mentor and guide feature teams, fostering effective collaboration within the team, across guild teams, and with other cross-functional project teams. u2022 Develop robust platform services utilizing domain-driven design and hexagonal architecture. u2022 Identify, evaluate, recommend, and integrate SaaS, PaaS, and IaaS solutions to efficiently achieve both functional and non-functional objectives. u2022 Participate in and facilitate Request-for-Comment (RFC) processes and proof-of- concept (POC) activities. u2022 Integrate analytics and instrumentation toolchains into application development workflows. u2022 Measure, monitor, and enhance application performance, scalability, and resilience. u2022 Actively contribute to establishing and maintaining team coding standards and system design conventions. u2022 Employ the Linear method to effectively guide the Software Development Lifecycle of the team. u2022 Plan, estimate, delegate, and oversee task execution to ensure milestone goals are met on time, proactively addressing risks and resolving blockers. u2022 Regularly demonstrate both individual and team milestone achievements and progress to the product team and stakeholders. u2022 Gather, analyze, and incorporate stakeholder feedback to continuously improve the product and refine software engineering practices. Qualifications u2022 Overall experience: 8+ years of experience in software engineering and product development, in individual contributor as well as leadership roles. u2022 Education: Bachelor of Science or Engineering, specializing in Information Technology, Computer Science, or Software Engineering disciplines. u2022 Experience in full-stack development including mobile apps, web UI, middleware, platform services, and infrastructure as code. u2022 Professional certifications in software engineering, architecture, or product management. u2022 At least 5 years of experience building, mentoring, and managing high-performance distributed engineering teams. u2022 At least 5 years of experience in Frontend technologies for web, including Typescript and frameworks such as React, Angular, or Ruby on Rails. u2022 At least 5 years of experience in Backend and general-purpose programming languages and run-times such as Node.js, Python, Ruby, and Go. u2022 At least 2 years of experience with Mobile app development either with cross-platform technologies such as React Native, Cordova, Ionic, or native app development. u2022 At least 2 years of experience showcasing deep engagement with product management and UX design teams. u2022 Hands-on experience with cloud services for application development such as AWS Lambdas, S3, API Gateway, SQS, ECS, RDS, etc. u2022 Hands-on experience with multiple storage technologies including RDBMS, Graph databases, document stores, search indices, and OLAP databases. u2022 Hands-on experience integrating Postgres-compatible distributed databases such as CockroachDB. u2022 Hands-on experience integrating with workflow engines, orchestration engines, or durable-execution technologies such as Camunda and Temporal. u2022 Hands-on experience developing data-driven UI and dynamic forms such as JSON-schema based forms. u2022 Hands-on experience integrating with AI/ML models to build user-facing recommendation engines. u2022 Hands-on experience setting up instrumentation, analyzing performance, distributed tracing, and debugging with Datadog or similar instrumentation technologies. u2022 Hands-on experience developing, improving, and testing application code towards industry-standard specifications or to meet compliance requirements such as Camunda and Temporal. u2022 Hands-on experience developing data-driven UI and dynamic forms such as JSON-schema based forms. u2022 Hands-on experience integrating with AI/ML models to build user-facing recommendation engines. u2022 Hands-on experience setting up instrumentation, analyzing performance, distributed tracing, and debugging with Datadog or similar instrumentation technologies. u2022 Hands-on experience developing, improving, and testing application code towards industry-standard specifications or to meet compliance requirements. u2022 Entrepreneurial experience in software engineering and product development is valuable. Employment eligibility to work with American Express in the United States is required as the company will not pursue visa sponsorship for these 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, youu2019ll 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 out 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 Angelesu2019 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 u201cKnow Your Rights (u201d 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, weu2019ll consider your location, experience, and other job-related factors.u200b Job Info + Job Identification 26003410 + Posting Date 04/17/2026, 01:00 AM + Apply Before 04/24/2026, 01:00 AM + Degree Level High School Graduate + Job Schedule Full time + Job Shift Day + Locations Seattle, WA, United StatesPhoenix, AZ, United StatesNew York, NY, United StatesWA, United StatesSunrise, FL, United States(Hybrid) + Salary Range $123,000.00 to $215,250.00 annually + bonus + benefits + Career Area Technology