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.

As a Senior Engineer, you will lead a team of engineers and contractors while maintaining hands-on technical expertise in Ab Initio development. You will be part of the core global billing and settlement technology team, coordinating cross-functional development across multiple teams. This role combines technical leadership, people management, and strategic planning to deliver enterprise-scale solutions.

**What You’ll Do**

**Ab Initio & ETL**

+ Configuration and maintenance of Ab Initio ETL, Data Mapping, Transformation and Loading in complex high-volume environment (Terabytes level data processing)
+ Developing graphs with continuous Flows
+ Performance tuning, debugging, an...