Senior/Staff Data Scientist - Product Experimentation & Evaluation (LLMs & AI)

Requirements

• :8-12+ years of experience in data science / ML roles, ideally with experiment design / product analytics
• Proven track record in both startup-style and large-scale product experimentation
• Experience leading teams, setting strategy, and driving execution in cross-functional environments
• Strong background with statistical methods, causal inference, and rigorous measurement
• Experience using LLMs / NLP / AI / prompt engineering or closely related field
• Excellent coding skills in Python (or similar), strong SQL; experience building and deploying models or analytic pipelines
• Ability to work in cross-functional teams, translate technical results into business or product changes
• Strong communication skills; ability to explain complex analyses to non-technical stakeholders
  

Nice to have:

• Experience fine-tuning or working with multiple LLM providers / APIs
• Experience with experiment platforms or building internal tooling for experimentation & model evaluation
• Experience in voice / ASR or other multi-modal data
  

Working Terms:

• Candidates must be flexible and work during US hours at least until 6 p.m. ET in the USA, which is essential for this role & must also have their own system/work setup for remote work