About this role

Optimize bidding, ranking and pacing for guaranteed and non-guaranteed ad delivery
Build and scale systems that support ad serving and ad selection across Expedia Group’s advertising network
Apply strong software design principles, algorithms, and data structures to build scalable, low-latency, high-throughput services.
Work closely with Product, ML data scientists, and data teams on features such as relevance optimization, targeting, and performance modeling
Advocate for high-quality code, automated testing, and strong observability practices
Participate in operational reviews and drive continuous improvement
Mentor junior engineers, lead design discussions, and help elevate the technical bar of the team

Bachelor's or Master’s degree in Computer Science or a related technical field
5+ years of experience in backend software development
Experience working with data-driven systems, ML-powered features, or A/B experimentation platforms
Strong proficiency in at least one modern programming language (e.g., Java, Kotlin)
Experience building and deploying backend APIs (e.g. gRPC) and streaming or batch data processing services (e.g., Flink, Spark) in cloud environments
Solid understanding of distributed systems, data flows, and operational best practices.

Software Development Engineer III, Advertising Technology

Key skills