Expedia Group brands power global travel for everyone, everywhere. We design cutting-edge tech to make travel smoother and more memorable, and we create groundbreaking solutions for our partners. Our diverse, vibrant, and welcoming community is essential in driving our success. The Software Development Engineer III position is part of the Payment Vault team within Expedia Global Payments, under the Book-to-Trip division. This team builds and maintains Tier-0 and Tier-1 vaulting systems that securely store and manage travelers' payment data, ensuring that payment details are reliably and compliantly available across bookings. Our services are designed with high security, scalability, and availability in mind, supporting both pay-in and pay-out transactions on a global scale. As a key engineer on this team, you'll apply your passion for backend development, cloud computing, and modern engineering practices to solve real-world challenges that impact millions of travelers worldwide.