Jobs → Engineering → Java Backend Engineer

About the Role We are looking for a Java Backend Engineer to join American Express. This role focuses on building and maintaining high-throughput REST APIs and microservices using Java and related technologies. Key Responsibilities • Design, build, and deploy production-grade RESTful APIs and enterprise backend services • Develop asynchronous, event-driven architectures utilizing Vert.x alongside Spring Boot • Build database integrations and write optimized application queries using Cassandra Database • Integrate modern development workflows using AI coding assistants like GitHub Copilot Requirements • 6+ years of core Java professional software development experience • Strong, documented hands-on capability in Spring Boot, Vert.x, and Cassandra DB • Proficient with modern Git engineering workflows (GitHub, GitLab, or Bitbucket) • Local to or ready to relocate immediately for a hybrid schedule in Phoenix, AZ