Software Development Engineer III, Advertising Technology

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.

Introduction to the team


Expedia Group Advertising builds the platforms and experiences that connect advertisers with millions of travelers across the globe. Our mission is to help partners reach the right traveler with the right message at the right time - through intuitive advertiser experiences, high-performance ad delivery systems, and intelligent, AI-powered optimization. We are growing our Advertiser Experience engineering team and are looking for a talented, product-minded Software Development Engineer III who is excited to build thoughtful advertiser-facing experiences and the backend services that power them. You will help shape the next generation of our advertising marketplace, working at the intersection of user experience, scalable distributed systems, and generative AI.


In this role, you will:

• Implement backend APIs and services that power high-quality UI experiences and deliver trust, transparency, and performance to our partners

• Build and optimize services that support campaign management and optimization across Expedia Group's advertising network

• Improve reliability, scalability, and latency of mission-critical systems

• Use LLMs and generative AI to simplify advertiser workflows, improve campaign setup, and automate repetitive tasks

• Work with data scientists and ML engineers to integrate personalized recommendations, smart defaults, and AI-assisted decision support

• Partner with product managers, UX designers, data scientists, and other engineering teams to deliver measurable advertiser value

• Advocate for high-quality code, automated testing, and strong observability practices

• Participate in operational reviews and drive continuous improvement

• Mentor junior engineers and help elevate the technical bar of the team

Minimum qualifications:

• 5+ years for Bachelor's degree or 3+ years for Master's in a related technical field; or equivalent related professional experience

• 5+ years of experience in backend software development, working with cloud-based and distributed systems at scale

• Proficiency in Java/J2EE, C#, or similar object-oriented languages, with hands-on experience integrating services with relational and NoSQL databases

• Experience with CI/CD pipelines, infrastructure/test automation, and delivering features in Agile development environments

• Demonstrated experience designing and deploying scalable services in a cloud environment (e.g., AWS, Azure, GCP)

Preferred Qualifications:

• Exposure to advertising technologies (ad serving, campaign management, RTB, auctions)

• Experience working with data-driven systems, ML-powered features, or experimentation platforms

• Experience applying generative AI to product experiences and internal tools

• Experience contributing to multiple multi-quarter, cross-team projects

• A Master's degree in a related technical field

No relocation assistance offered


Please note that this role is only available in the following location: Chicago in alignment with our flexible work model which requires employees to be in-office at least three days a week. We are unable to offer relocation assistance for this role.


The total cash range for this position in Chicago is $136,000.00 to $190,500.00. Employees in this role have the potential to increase their pay up to $217,500.00, which is the top of the range, based on ongoing, demonstrated, and sustained performance in the role.

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.

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, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, veteran status, or any other characteristic protected by law. This employer participates in E-Verify. The employer will provide the Social Security Administration (SSA) and, if necessary, the Department of Homeland Security (DHS) with information from each new employee's I-9 to confirm work authorization.