They have experience navigating ambiguity, defining structure in evolving problem spaces, and delivering results in rapidly changing product areas; they are skilled at leading a team, developing and driving high-level strategy, and - equally - personally executing on critical workstreams, including technical analysis, program planning, and stakeholder coordination. They set the technical and execution bar for how fast, how good, how efficient, and how reliable the product is, and they build the analytical and communication backbone that enables Engineering, Data Science, Product, and leadership to make the right performance, efficiency, quality, cost, and capacity decisions.