Senior Software Development Engineer, Advertising Technology

Role Overview 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‑mindful Senior Software Development Engineer who is excited to build thoughtful advertiser‑facing experiences and the backend services that power them. Responsibilities 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 Minimum Qualifications 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, GraphQL or similar technologies, API development Experience collaborating with business partners to identify problems and deliver technical solutions that meet their needs Preferred Qualifications 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 Benefits Expedia Group offers a wide range of benefits, including medical/dental/vision, paid time off, an Employee Assistance Program, wellness and travel reimbursement, travel discounts, and an International Airlines Travel Agent (IATAN) membership. Pay Range The total cash range for this position in Chicago is $171,500.00 to $240,000.00. Employees in this role have the potential to increase their pay up to $274,500.00, which is the top of the range, based on ongoing, demonstrated, and sustained performance in the role. Starting pay will vary based on multiple factors. Accommodation Requests If you need assistance with any part of the application or recruiting process due to a disability, please reach out to our Recruiting Accommodations Team through the Accommodation Request. Equal Opportunity Employment 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, or veteran status. 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. #J-18808-Ljbffr Dormont Manufacturing Company