Senior Software Engineer

Job Description

Joining Amex Tech means discovering and shaping your contribution to something big. Here, you can work alongside talented tech teams and build a unique career with the Powerful Backing of American Express. With a range of opportunities to work with the latest technologies, and a commitment to back the broader engineering community through open source, our mission is to power your success. Because Amex Tech is powered by our technology, our culture, and our colleagues.

Leads the design, development, modernization, and support of enterprise applications and infrastructure, with responsibility for application architecture, system integration, security, and operational reliability.

Responsibilities

Key Responsibilities

• Leads full-stack application development using Java, Spring, React, JavaScript, and SQL.
• Designs and modernizes enterprise application architectures, including high availability, scalability, and performance.
• Develops and maintains REST APIs, backend services, and application integration frameworks.
• Leads database integration, persistence frameworks, connection pooling, and schema deployment improvements.
• Implements secure authentication, authorization, OAuth, and enterprise access-control solutions.
• Drives CI/CD automation, application deployment, release management, and DevOps integration.
• Modernizes legacy applications, communication frameworks, and distributed processing architectures.
• Supports application monitoring, troubleshooting, performance optimization, and production stability.
• Develops internal engineering tools supporting governance, audit compliance, and controlled software delivery.
• Provides technical leadership, architecture guidance, code reviews, and mentorship to development teams.
• Coordinates cross-functional and offshore engineering teams to deliver application enhancements and modernization initiatives.

Qualifications

Required Experience & Education

• Masters in Computer Science or similar relevant field.
• Minimum 10 years of enterprise software and infrastructure engineering experience.
• Demonstrated experience modernizing legacy enterprise applications and internal development platforms.
• Proven experience leading technical architecture decisions and coordinating distributed development teams.
• Experience supporting security, compliance, and governance-focused enterprise systems.
• Proficient with Red Hat variants of Linux.
• Experience with architecting and deployment of applications on public cloud (AWS, Google Cloud Platform).

Employment eligibility to work with American Express in the United States is required as the company will not pursue visa sponsorship for these positions.