Senior Software Development Engineer, Loyalty - Full Stack
AI summary of the role
Senior full-stack engineer on the Loyalty Engineering team at Expedia Group, responsible for designing and building AI-empowered, scalable loyalty experiences across global brands.
No longer in the current catalog. Last included 2026-09-09. Check the employer’s posting for availability.
What you’ll do
- Design, build, and evolve full stack services and web experiences for global loyalty products, ensuring high availability, scalability, and performance.
- Lead end-to-end system design including low-level design, API design, and data modeling for maintainable, secure, and extensible solutions.
- Own complex features and services across the stack from technical design through implementation, testing, deployment, and operational support.
- Collaborate with product, design, and cross-functional engineering teams to translate loyalty product requirements into technical solutions.
What you’ll bring
- 8+ years of relevant professional experience.
- Professional software development experience building and operating full stack or backend services with APIs, data models, and web applications.
- Proven experience owning design and implementation for services within a multi-service or domain environment.
- Strong proficiency in at least one modern programming language and associated frameworks for complex, distributed systems.
Technologies
Java · React · RESTful API · microservices · event-driven architecture · cloud-native · AI/ML · Claude · GitHub Copilot · Cursor
About Expedia Group
Operates Expedia, Hotels.com, and Vrbo, connecting travelers with hotels, flights, and vacation rentals while monetizing supply partners via advertising and a B2B distribution marketplace.
Public · 5000+ people
Source and classification
Internal deployment & tooling · Evidence for this classification:
partner with our Product teams to create innovative products, services, and tools to deliver high-quality experiences for travelers, partners, and our employees. A singular technology platform powered by data and machine learning provides secure, differentiated, and personalized experiences that drive loyalty and traveler satisfaction. The Loyalty Engineering organization powers continuous engagement, re-engagement, and re-acquisition for travelers worldwide. We build the systems that create a durable growth flywheel for Expedia, deepening traveler relationships while driving measurable business impact across brands and markets. In this role, you will contribute to the technical strategy and architecture for the AI-empowered Loyalty charter — developing and delivering next-generation, intelligent engagement experiences powered by modern AI and agentic systems. You will contribute to
More from the job description
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. Why Join Us? To shape the future of travel, people must come first. Guided by our Values and Leadership Agreements, we foster an open culture where everyone belongs, differences are celebrated and know that when one of us wins, we all win. We provide a full benefits package, including exciting travel perks, generous time-off, parental leave, a flexible work model (with some pretty cool offices), and career development resources, all to fuel our employees' passion for travel and ensure a rewarding career journey. We’re building a more open world. Join us. Introduction to the Team: Expedia Technology teams partner with our Product teams to create innovative products, services, and tools to deliver high-quality experiences for travelers, partners, and our employees. A singular technology platform powered by data and machine learning provides secure, differentiated, and personalized experiences that drive loyalty and traveler satisfaction. The Loyalty Engineering organization powers continuous engagement, re-engagement, and re-acquisition for travelers worldwide. We build the systems that create a dura [... source excerpt omitted ...] egy and architecture for the AI-empowered Loyalty charter — developing and delivering next-generation, intelligent engagement experiences powered by modern AI and agentic systems. You will contribute to system design across multiple distributed engineering teams, partnering closely with Product, Data Science, and platform leaders to build scalable, reliable, and innovative solutions. In this role, you will: Design, build, and evolve full stack services and web experiences for global loyalty products, ensuring high availability, scalability, and performance across multiple customer and partner touchpoints. Lead end-to-end system design, including low-level design, API design, a [... source excerpt omitted ...] nd operational support, driving high engineering standards and code quality. Collaborate with product, design, and cross-functional engineering teams to translate loyalty product requirements into technical solutions, making pragmatic trade-offs using data and customer impact. Safely integrate and operate AI/ML‑enabled solutions that improve outcomes, including personalization, experimentation, or optimization capabilities within loyalty experiences and services. Contribute to best practices, tooling, and engineering processes that enable reuse and fungibility across multiple domains and services within the loyalty ecosystem. Minimum Qualifications: Bachelor’s degree in Computer
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