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Data Scientist, Core Experimentation

OpenAI’s Statsig team builds and operates the experimentation platform used for product development, measurement, and decision-making across the company. The team partners with product, engineering, and infrastructure groups to make experim

Company

OpenAI

Location

Bellevue, United States

Status

Closed

Posted

2026-10-10T03:33:35.188+00:00

OpenAI's Statsig team runs the company's experimentation platform, and this staff-level individual-contributor role leads its statistical and technical direction. The work covers sample-ratio-mismatch detection, variance reduction, bias mitigation, metric design, sequential testing and experiments inside machine-learning systems, plus investigation of measurement failures and governance practices. The posting asks for experience operating experimentation platforms at a large technology company, causal inference and online experimentation knowledge, CUPED and related methods, strong Python, and large-scale data processing such as Spark. It is hybrid in Bellevue.