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Software Development Engineer II

Expedia Group

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Expedia Group

Software Development Engineer II

Onsite London, United Kingdom
Posted 3 hours ago
Save Job

Watch this video to learn more about Expedia Group

Job Details

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.

Expedia Group powers global travel for everyone, everywhere. We design cutting-edge technology to make travel smoother and more memorable, and we create groundbreaking solutions for our partners. Our diverse, vibrant, and welcoming community is essential to driving our success. A singular technology platform powered by data and machine learning provides secure, differentiated, and personalized experiences that drive loyalty and traveler satisfaction.
EG Clickstream provides data that captures user behavior and experience across Expedia Group sites and apps. This data forms the building blocks for understanding user journeys: what products users search for, which features they see and use, and which marketing channels they arrive from. It powers analysis of Product and Marketing performance to support optimized decision-making and can also be used programmatically to drive personalized, adaptive experiences for our users.
As a Software Development Engineer II on Expedia Group’s Clickstream team, you will design, build, and operate the real-time data platform that captures and processes user behavior across our sites and apps. You will engineer scalable, resilient streaming systems that power analytics, marketing, and personalized experiences globally. You bring strong analytical and troubleshooting skills, deep proficiency in coding and distributed systems design, and a passion for solving complex problems of scale. You are collaborative, creative, and thrive in a dynamic, agile environment where you continuously learn and raise the bar.
What you will do:
  • Design, build, and operate highly available, low-latency streaming services and data pipelines (primarily in Java/Kotlin) running in public/hybrid cloud environments.
  • Write clean, efficient, well-tested code; practice pair programming and conduct thorough code reviews.
  • Apply object-oriented design, distributed computing, performance/scalability tuning, and advanced data structures/algorithms to real-time streaming and data processing.
  • Build and evolve microservices and data APIs that power analytics and personalized experiences.
  • Implement robust testing, monitoring, alerting, and observability to ensure reliability and rapid incident response.
  • Troubleshoot complex production issues, perform root-cause analysis, and drive long-term fixes and improvements.
  • Collaborate with product managers, data engineers, analysts, and platform teams to deliver high-impact solutions.
  • Contribute to technical design documents; communicate trade-offs and decisions clearly within the team.
  • Stay current with advancements in cloud data platforms, streaming technologies, and best practices; mentor junior engineers.
Who you are:
  • Bachelor’s or Master’s degree in Computer Science or a related field, or equivalent professional experience.
  • 2+ years of professional software development experience, including building and operating backend/microservices in Java; Kotlin or Scala experience is a plus.
  • Hands-on experience with streaming platforms (e.g., Kafka, Kinesis, Pub/Sub) and event-driven architectures.
  • Experience building production-grade data processing applications in public/hybrid cloud environments (e.g., AWS, GCP, Azure).
  • Solid understanding of software engineering fundamentals: algorithms, data structures, concurrency, distributed systems, and design patterns.
  • Proficiency in testing strategies (unit, integration), CI/CD, monitoring, alerting, and incident management.
  • Familiarity with observability concepts and tools to monitor application health and performance.
  • Strong debugging, problem-solving, communication, and collaboration skills; self-starter with a learning mindset.
  • Familiarity with basic AI tools (e.g., GitHub Copilot, code assistants) to accelerate development or documentation, used responsibly within company policies.
Preferred qualifications:
  • Experience with Kafka Streams (KStream) and/or Apache Flink for stateful stream processing.
  • Familiarity with schema registry, data lake technologies, and data quality frameworks.

Accommodation requests

If you need assistance with any part of the application or recruiting process due to a disability, or other physical or mental health conditions, please reach out to our Recruiting Accommodations Team through the Accommodation Request.

We are proud to be named as a Best Place to Work on Glassdoor in 2024 and be recognized for award-winning culture by organizations like Forbes, TIME, Disability:IN, and others.

Expedia Group's family of brands includes: Brand Expedia®, Hotels.com®, Expedia® Partner Solutions, Vrbo®, trivago®, Orbitz®, Travelocity®, Hotwire®, Wotif®, ebookers®, CheapTickets®, Expedia Group™ Media Solutions, Expedia Local Expert®, CarRentals.com™, and Expedia Cruises™. © 2024 Expedia, Inc. All rights reserved. Trademarks and logos are the property of their respective owners. CST: 2029030-50

Employment opportunities and job offers at Expedia Group will always come from Expedia Group’s Talent Acquisition and hiring teams. Never provide sensitive, personal information to someone unless you’re confident who the recipient is. Expedia Group does not extend job offers via email or any other messaging tools to individuals with whom we have not made prior contact. Our email domain is @expediagroup.com. The official website to find and apply for job openings at Expedia Group is careers.expediagroup.com/jobs.

Expedia is committed to creating an inclusive work environment with a diverse workforce. All qualified applicants will receive consideration for employment without regard to race, religion, gender, sexual orientation, national origin, disability or age.
Company Details
Expedia Group
 Seattle, WA, United States
Work at Expedia Group

Why Expedia Group? Expedia Group, Inc. brands power travel for everyone, everywhere through our global platform. Driven by the core belief that... Read more

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