Sr Software Engineer - Global Commercial Services Technology

American Express•New York, NY

1d•Hybrid

About The Position

As a senior engineer within our technology organization, you will lead the design and development of scalable backend systems and APIs that power critical customer and business experiences. You will operate at the intersection of architecture and execution, owning complex systems, guiding technical direction, and ensuring high standards of reliability, performance, and maintainability. You will work on distributed systems at scale, influencing design decisions across teams and helping shape the evolution of our platform through strong technical judgment and leadership.

Requirements

Strong ownership mindset with a track record of delivering complex systems independently
Deep analytical and problem-solving skills, particularly in distributed systems and production environments
Ability to influence technical direction and align teams on architectural decisions
Clear and effective communication skills, with the ability to convey complex ideas to diverse stakeholders
Experience operating in high-throughput, high-availability environments and handling production challenges with composure
Commitment to continuous learning and staying current with evolving technologies and industry trends
5 to 7 or more years of experience in backend software engineering
Strong proficiency in one or more backend languages such as Java, Kotlin, C#, or Scala
Proven experience designing and evolving RESTful APIs and or event-driven systems at scale
Deep understanding of distributed systems, including scalability, fault tolerance, concurrency, and low latency design
Hands-on experience with microservices architecture and its operational trade-offs
Experience with cloud platforms such as AWS, GCP, or Azure in production environments
Strong knowledge of data storage technologies, including SQL and or NoSQL, and data modeling at scale

Nice To Haves

Experience with containerization and orchestration such as Docker and Kubernetes in production
Familiarity with infrastructure as code tools such as Terraform
Experience building and maintaining CI CD pipelines and DevOps practices
Exposure to observability tooling including metrics, logging, and tracing, and reliability engineering concepts

Responsibilities

Lead the design and implementation of scalable, highly available APIs and backend services
Own architectural decisions for distributed systems, including microservices and event-driven patterns
Drive end-to-end delivery of complex initiatives from system design through production rollout and optimization
Partner with product and engineering leaders to define technical strategy and translate business needs into robust solutions
Establish and champion best practices in system design, coding standards, testing, and operational excellence
Improve system performance, resiliency, and observability through proactive identification and resolution of bottlenecks
Guide and mentor engineers, providing technical leadership and fostering a culture of continuous improvement
Participate in and lead design reviews, articulating trade-offs and influencing technical decisions across teams

Benefits

Competitive base salaries
Bonus incentives
6%25 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