Senior Software Development Engineer, Advertising Technology

Overview

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 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 Senior Software Development Engineer 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.

• Lead the design, implementation, and evolution of backend APIs and distributed services that power high-quality UI experiences, delivering trust, transparency, scalability, and performance to our partners
• Own and drive the architecture of core services supporting campaign management and optimization across Expedia Group’s advertising network, setting technical direction, mentoring engineers, and raising the bar on reliability and operational excellence
• Lead the application of LLMs and generative AI to streamline advertiser workflows, enhance campaign setup experiences, and automate repetitive operational tasks at scale
• Collaborate with data scientists and ML engineers to integrate personalized recommendations, smart defaults, and AI-assisted decision support
• Lead cross-functional collaboration with product, UX, data science, and engineering teams to define, build, and deliver solutions that produce measurable impact for advertisers
• Define and uphold engineering standards for code quality, AI systems, automated testing, and observability
• Lead and influence operational reviews, using data and incident learnings to drive systemic improvements in reliability, performance, and operational maturity
• Mentor and develop engineers across levels, providing technical guidance, code review leadership, and design feedback to consistently raise the team’s technical bar

• Bachelor's degree with 8+ years of experience or 6+ years for Master’s in a related technical field; or equivalent related professional experience
• Experience driving the end-to-end technical design of multiple complex, multi-quarter projects
• Experience developing features in full-stack technologies – Java, Kotlin, JavaScript, React, Graph
  
  QL or similar technologies, API development
• Experience collaborating with business partners to identify problems and deliver technical solutions that meet their needs

• Experience formally mentoring and developing other engineers
• Experience justifying and communicating technology choices to both technical and non-technical audiences
• A strong understanding of testing and monitoring, with experience establishing operational excellence metrics at the team level

Location note:
The total cash range for this position in Chicago is $ to $. Employees in this role have the potential to increase their pay up to $, 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…