TL;DR

Senior Software Development Engineer (Fullstack): Designing, building, and evolving full stack services and web experiences for global loyalty products with an accent on high availability, scalability, and performance across multiple customer and partner touchpoints. Focus on end-to-end system design, integrating AI/ML capabilities, and driving operational excellence for high-traffic production systems.

Location: United States - California - San Jose

Salary: $199,000.00 to $278,500.00

Company

Expedia Group brands power global travel for everyone, everywhere.

What you will do

  • Design, build, and evolve full stack services and web experiences for global loyalty products.
  • Lead end-to-end system design, including low-level design, API design, and data modeling.
  • 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.
  • Safely integrate and operate AI/ML‑enabled solutions that improve outcomes, including personalization, experimentation, or optimization capabilities.
  • Contribute to best practices, tooling, and engineering processes that enable reuse and fungibility across multiple domains and services within the loyalty ecosystem.

Requirements

  • Bachelor’s degree in Computer Science or a related technical field; or Equivalent related professional experience.
  • 8+ years of relevant professional experience.
  • Professional software development experience building and operating full stack or backend services, including hands-on work with APIs, data models, and web applications.
  • Proven experience owning design and implementation for services or features within a multi-service or domain environment.
  • Strong proficiency in at least one modern programming language and associated frameworks.
  • Familiarity with AI-driven systems, tools, or workflows and applying AI/ML concepts to real world products.

Nice to have

  • Experience designing and evolving large‑scale, customer‑facing platforms using Java.
  • Proven ability to drive operational excellence for high‑traffic production systems.
  • Strong full‑stack experience, including modern front‑end development with React and integration with scalable back‑end services in cloud‑native environments.
  • Hands‑on experience integrating and operating AI/ML‑enabled capabilities in production.
  • Familiarity with ad‑tech, user targeting, experimentation, and data analytics practices.

Culture & Benefits

  • Full benefits package, including travel perks and generous time-off.
  • Flexible work model.
  • Career development resources.
  • Open culture where everyone belongs.
  • Diverse, vibrant, and welcoming community.