Senior Software Development Engineer at Expedia

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.

Job Description

The Team
You will be joining the Typeahead and Query Understanding team within Expedia's core Search platform. Your work will directly power our autocomplete systems and natural language search capabilities across all lines of business.

You will work with a modern, high-scale tech stack featuring Kotlin, Java, Elasticsearch, Kafka, AWS, Spring Boot, and cutting-edge LLM integrations. We build for massive scale and performance, engineering our Tier 1 services from the ground up to guarantee 99.99% availability and seamless reliability.

In this role, you will:

• Design and develop complex software systems and services, applying advanced system design, API design, and data modeling techniques

• Lead the implementation of scalable, reliable, and maintainable solutions across multiple domains or platforms

• Drive technical decisions and mentor other engineers to elevate team knowledge and performance

• Safely integrate and operate AI/ML-enabled solutions that improve outcomes, ensuring responsible and effective use of AI technologies

• Collaborate with cross-functional teams to translate business requirements into robust technical solutions

• Foster a culture of continuous improvement by identifying opportunities to optimize processes, code quality, and system performance

Minimum Qualifications:

• Bachelor's degree in Computer Science or a related technical field; or Equivalent related professional experience

• 8+ years of professional backend software development experience in an object‑oriented language (e.g., Java, Kotlin, or similar)

• Demonstrated ownership of services, multi-service architectures, or domain solutions at an organizational level

• Proven expertise in advanced system design, API development, and data modeling for large-scale distributed systems

• Familiarity with AI-driven systems, AI-assisted coding tools or workflows, and applying AI/ML concepts to real-world products

Preferred Qualifications:

• Deep experience designing, scaling, and operating distributed systems in high-throughput production environments.

• Track record of technical leadership, driving platform-first architectural decisions that scale across multiple product lines.

• Proactive in optimizing software for latency, reliability, and security at massive enterprise scale.

• Strong data-driven decision-making skills and a commitment to operational excellence and robust system telemetry.

• Hands-on experience leveraging AI/ML and LLMs to deliver innovative, platform-centric solutions within a software engineering context.

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.