Software Development Engineer III

Expedia Expedia · Hospitality · London, United Kingdom

Expedia Group is seeking a Software Development Engineer III to join their Pricing pillar in London. This role focuses on owning mission-critical, high-throughput, low-latency distributed pricing services at a global scale. The engineer will be responsible for technical design, implementation, deployment, and operations, partnering with the business to understand technology's impact on business outcomes. The role involves analyzing complex problems, delivering sustainable solutions, participating in architecture reviews, and advocating for operational excellence. While the core role is in traditional software engineering for pricing services, there is a preferred qualification for integrating AI/ML-enabled solutions and leveraging AI-driven tools to enhance product outcomes.

What you'd actually do

  1. Own mission‑critical services end‑to‑end—from technical design and API contracts through implementation, deployment, and ongoing operations—for high‑throughput, low‑latency distributed pricing services at global scale.
  2. Partner with the business to have a clear understanding of how your own technology stack is tied to business outcomes and our bottom line
  3. Analyze complex problems, deconstruct them into manageable milestones, and collaboratively deliver sustainable technical solutions
  4. Participate actively in architecture reviews, writing thorough and well-supported technical documentation, and conducting detailed code reviews
  5. Creatively test and maintain software applications and related programs and procedures by using a variety of software development tools following the design requirements of the customer

Skills

Required

  • Java or similar object-oriented programming languages, or Scala or Kotlin or similar functional languages
  • Building and operating scalable distributed systems and services within AWS cloud infrastructure or similar technologies
  • Formally mentoring at least 3 individuals and driving technical design end to end for at least 3 projects
  • Identify business problems at the project level and team level and design solutions that are easily testable and observable
  • Understanding of relational and NoSQL databases, data patterns, and service-oriented architectures
  • Establish operational excellence metrics at the team level and identify and advocate for project quality via testing, monitoring, and alerting at the project level
  • Developing robust caching solutions, utilizing technologies such as Redis or Couchbase or Memcached, or similar distributed caching tools
  • Working successfully on Agile development teams with a minimum of 5 engineers, understanding modern agile methodologies, version control systems, continuous integration, and continuous delivery practices
  • Commitment to technical excellence with excellent communication and interpersonal skills, capable of thriving and collaborating within a globally distributed team environment

Nice to have

  • Experience with low-latency and high-throughput processing (1M+ TPS) microservices.
  • Demonstrated proficiency in safely integrating AI/ML-enabled solutions within backend systems and leveraging AI-driven tools or workflows to enhance real-world product outcomes.

What the JD emphasized

  • low-latency and high-throughput processing (1M+ TPS) microservices