Senior Engineer II

Global Business Travel — Bangalore, India

Amex GBT is a place where colleagues find inspiration in travel as a force for good and – through their work – can make an impact on our industry. We’re here to help our colleagues achieve success and offer an inclusive and collaborative culture where your voice is valued. What We're Looking for: We are looking for a highly skilled Senior Java Developer with strong expertise in Java, Spring Boot, microservices, PostgreSQL, and AWS. The ideal candidate will have strong hands-on experience in designing, building, deploying, and supporting scalable backend applications and APIs in enterprise environments. This role requires deep experience in Java 11+, Spring ecosystem, REST API development, microservices architecture, and PostgreSQL database design and optimization. The candidate should also have solid exposure to AWS cloud services, especially ROSA (Red Hat OpenShift Service on AWS) and EC2, along with experience in Kafka, CI/CD, and production support. The ideal candidate must be capable of developing robust backend solutions, resolving complex production issues, and working effectively with cross-functional teams to deliver reliable and high-performing applications. What You'll Do: 1. Hands-on Development Design, develop, and maintain complex backend services and REST APIs using Java and Spring Boot. Architect and implement scalable microservices solutions for business-critical workflows. Build resilient, secure, and high-performing backend applications using enterprise Java patterns. Develop integrations with internal and external systems using synchronous and asynchronous communication patterns. Implement robust exception handling, logging, monitoring, and alerting in backend services. Participate actively in debugging, troubleshooting, and root cause analysis of complex application issues. Provide expert-level production support and ensure application stability and performance. 2. Application Design & Engineering Practices Contribute to technical architectur

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