Senior Software Engineer I - American Express

Key Responsibilities

• Design, develop, and maintain high‑performance, low‑latency payment processing services for a global network.
• Build and evolve cloud‑native microservice architectures on AWS, leveraging containers and Kubernetes for scalability.
• Integrate machine‑learning models to enhance fraud detection, transaction routing, and operational efficiency.
• Collaborate with cross‑functional teams to define APIs, ensure reliability, and drive continuous delivery pipelines.
• Participate in code reviews, performance tuning, and incident response to uphold system availability.

Requirements

• 5+ years of professional software development experience, primarily with Java.
• Strong expertise in designing and deploying microservices on AWS (EC2, Lambda, S3, RDS, etc.).
• Hands‑on experience with container orchestration platforms such as Kubernetes or Amazon EKS.
• Familiarity with applying machine‑learning techniques in production environments.
• Proven ability to work in fast‑paced, collaborative environments and deliver high‑quality code.