Software Development Engineer III

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 Technology teams partner with our Product teams to create innovative products services and tools to deliver high-quality experiences for travelers partners and our employees. A singular technology platform powered by data and machine learning provides secure differentiated and personalized experiences that drive loyalty and traveler satisfaction.
As a Full Stack Software Development Engineer III on EG Advertising you will work on a platform that sits at the center of Expedia Group’s advertising growth strategy. This role will help power the next phase of that growth by building scalable low-latency systems and intelligent ad experiences that expand inventory improve relevance and help EG Advertising achieve ambitious revenue goals across onsite partner and off-platform channels. You will contribute to systems that support the full advertising lifecycle from partner-facing tools and campaign management to ad retrieval bidding ranking delivery reporting and measurement. This is a role for an engineer who wants to solve meaningful problems at scale where strong execution thoughtful system design and ML-driven relevance all directly shape traveler experience partner value and business growth.
In this role you will:

• Design implement and maintain robust secure and scalable services and applications including system design (LLD) API design and data modeling to support business-critical capabilities across multiple domains.
• Write clean reliable and well-tested code applying sound engineering principles design patterns and code review practices to improve quality performance and maintainability for complex systems.
• Own end-to-end delivery of features and services from technical design and implementation through deployment monitoring and iteration ensuring high availability and operational excellence.
• Diagnose and resolve complex production issues perform root cause analysis and drive long-term improvements in reliability observability and resilience across services and dependencies.
• Collaborate with cross-functional partners contributing technical expertise to product discovery backlog prioritization and data-driven decision making while ensuring solutions are reusable and fungible across multiple domains.
• Safely integrate and operate AI/ML‑enabled solutions that improve outcomes including familiarity with AI-driven systems tools or workflows and applying AI/ML concepts to real world products.

Minimum Qualifications:

• Bachelor’s degree in Computer Science or a related technical field; or Equivalent related professional experience.
• 5+ years of relevant professional experience.
• Professional software development experience building and maintaining services or applications with ownership of features or services in production environments.
• Proficiency in at least one modern programming language and core computer science fundamentals (data structures algorithms design and problem solving) including experience with system design (LLD) API design and data modeling.
• Experience owning the full software development lifecycle for services or applications including design implementation code reviews testing deployment and monitoring including familiarity with AI-driven systems tools or workflows and applying AI/ML concepts to real world products at a foundational level.

Preferred Qualifications:

• Proficiency with Kotlin or other JVM-based languages (for example Java) with experience building scalable production-grade backend systems using microservices and event-driven architectures.
• Experience building or operating ad servers ad bidders ad selection or ranking systems campaign delivery systems or other ad tech / programmatic advertising platforms or similarly complex recommendation or ML-driven decisioning systems at scale.
• Experience designing and operating high-throughput low-latency distributed services in production with strong focus on observability reliability and performance optimization.
• Hands-on experience with AWS ideally including serverless patterns and infrastructure-as-code tools such as CloudFormation.
• Experience with modern software delivery practices including containerized deployments (for example Docker and Kubernetes) CI/CD pipelines and test automation.
• Demonstrated ability to collaborate with Data Scientists and apply AI/ML in real-world systems including integrating models into production services or developing new data-driven features that improve relevance personalization or operational outcomes.
• Strong communication and collaboration skills including experience mentoring junior engineers leading small technical projects and influencing technical decisions and engineering best practices within a team.

Starting pay for this role will vary based on multiple factors including location available budget and an individual’s knowledge skills and experience. Pay ranges may be modified in the future.

Expedia Group is proud to offer a wide range of benefits to support employees and their families including medical/dental/vision paid time off and an Employee Assistance Program. To fuel each employee’s passion for travel we offer a wellness & travel reimbursement travel discounts and an International Airlines Travel Agent (IATAN) membership. View our full list of benefits.

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.

What We Do

Expedia Group powers travel for everyone everywhere through our global platform. Driven by the core belief that travel is a force for good we help people experience the world in new ways and build lasting connections. We provide industry-leading technology solutions to fuel partner growth and success while facilitating memorable experiences for travelers. 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™.

Why Work With Us

As travelers and technologists we are passionate about making travel more seamless accessible and memorable. We embrace different perspectives celebrate new ideas and empower every Expedian to drive meaningful change. The experiences we create bridge divides and broaden horizons – helping create unforgettable memories through travel.

Gallery