Expedia

Senior Software Development Engineer, Loyalty - Full Stack

Expedia
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17 days ago
San Jose, CA, USASenior
H1B sponsor

Responsibilities

  • Design, build, and evolve client-facing experiences and full-stack services for global loyalty products.
  • Own the design, versioning, backward compatibility, staged rollout, and operation of embeddable placements integrated by other teams.
  • Lead end-to-end system design covering browser architecture, APIs, data modeling, privacy, consent, performance, and cross-domain constraints.
  • Drive technical strategy, integration contracts, ownership boundaries, service levels, and fallback behavior with partner and platform teams.
  • Own full-stack features from technical design through implementation, testing, deployment, and operational support.
  • Integrate and operate AI and ML-enabled personalization, experimentation, and optimization capabilities in client-side surfaces.
  • Collaborate with Product, design, Data Science, platform, and partner engineering teams to deliver pragmatic loyalty solutions.
  • Mentor engineers and establish patterns, tooling, and best practices for embedded and partner-surface engineering.

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 services, including APIs, data models, and web applications.
  • Experience owning design and implementation for services or features in multi-service or domain environments with accountability for quality, reliability, and operational readiness.
  • Strong proficiency in at least one modern programming language and associated frameworks, including the ability to design, review, and debug complex distributed systems.
  • Familiarity with AI-driven systems, tools, workflows, and applying AI/ML concepts to real-world products.
  • Preferred: experience building and shipping client-side SDKs, tags, or embeddable widgets for surfaces owned by other teams or external partners.
  • Preferred: strong React and TypeScript front-end experience, including performance optimization for high-traffic consumer surfaces.
  • Preferred: backend experience with Java or Node in cloud-native environments.
  • Preferred: experience negotiating technical integration contracts and defining ownership boundaries, service levels, and fallback behavior.
  • Preferred: familiarity with ad tech, user targeting, experimentation, loyalty, and personalization use cases.
  • Preferred: production experience integrating AI or ML capabilities and using Claude, GitHub Copilot, or Cursor.

Benefits

  • Medical, dental, and vision coverage.
  • Paid time off and an Employee Assistance Program.
  • Wellness and travel reimbursement.
  • Travel discounts and International Airlines Travel Agent Network (IATAN) membership.
Expedia

About Expedia

10,000+ employees

Expedia Group builds a global online travel marketplace where consumers book flights, hotels, vacation rentals, cars, and activities, and partners distribute and market inventory across its platform. It monetizes through commissions, merchant/agency models, and advertising via brands including Expedia, Hotels.com, and Vrbo. Founded in 1996 and headquartered in Seattle, the public company (NASDAQ: EXPE) serves travelers and partners in more than 70 countries with B2C, B2B, and ad tech offerings.

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