**Position Summary...**

**What you'll do...**

**Role summary:**

As a Principal Software Engineer, you will be responsible for designing, developing and improving core services and algorithms for Display Ads optimization, including budgeting, pacing, bidding and auction. You will work closely with Data Science and Product on requirement gathering and problem formulation, collaborate with multiple engineering teams to build scalable and high-performance services with high observability, lead the design and implementation of optimization algorithms, establish insights for optimization opportunities, and iterate over system and algorithm improvements. You are a sharp software engineer with great math intuition. By applying sound technical judgment and continuous improvement, you are committed to building reliable and high-performance systems that meet customers' needs while advancing Walmart’s technology vision.

**About the team:**

The mission o...