✦ Luna Orbit — Software Engineering

Principal Software Development Engineer

at Expedia Group

📍 Austin Domain 11 - HomeAway Unknown 💰 $231K – $323K USD / year Posted March 16, 2026
Salary $231K – $323K USD / year
Type Full-Time
Experience senior
Exp. Years Not specified
Education Not specified
Category Software Engineering

This role involves developing and maintaining scalable payment systems, leveraging high-performance computing and machine learning to enhance transaction processing and security.

  • Develop payment systems
  • Ensure scalability
  • Implement machine learning models
  • Mentor junior engineers
  • Optimize system performance

The position requires expertise in software development, scalable architectures, distributed systems, cloud infrastructure, and machine learning applications within payment platforms.

The ideal candidate is a senior software engineer with experience in developing scalable payment systems, familiar with high-performance and distributed architectures, and capable of mentoring junior engineers.

software developmentpayment platformscalability
machine learninghigh-performance systems
payment systemsdata platforms
software developmentpayment platformscalabilitymachine learninghigh-performance systemsdata processinge-commercepayment processingdistributed systemscloud computingmicroservicesAPI developmentscalable architectureperformance optimizationteam leadership
software developmentpayment platformscalabilitymachine learninghigh-performance systemsprogramming languages
leadershipmentoringcollaborationproblem-solvinginnovation
Industry Travel & Hospitality
Job Function Software engineering for scalable payment platforms
Role Subtype Software Engineering
Tech Domains Payment Systems, Machine Learning, Distributed Systems, Cloud & Infrastructure
software developmentpayment platformscalabilitymachine learninghigh-performance systemsdata processinge-commercepayment processingdistributed systemscloud computingmicroservicesAPI developmentscalable architectureperformance optimizationteam leadership

Lack of experience with payment platforms, No background in scalable systems, Unwilling to work in Austin, TX or relocate, No leadership or mentoring experience

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