Lead Data Scientist

Role: Lead Data Scientist Location: Onsite @ Bellevue, WA Type: Contract Mandatory Skills : Python - Data Science Job description Key Responsibilities oDesign build and deploy machine learning and GenAI models for advertising use cases such as forecasting conversion prediction bidding optimization recommendations and insights oDevelop LLM based solutions using prompt engineering embeddings and basic RAG for campaign diagnostics and decision support oDesign and analyse AB tests and experiments apply causal inference techniques DiD propensity scoring DML uplift modelling to measure true incremental impact oEnsure models are scalable explainable and production ready following Responsible AI and governance standards Business Collaboration oPartner with crossfunctional teams product engineering marketing operations to identify and scope highimpact opportunities where data science and AI can drive measurable business outcomes oTranslate strategic objectives into actionable analytical initiatives with clearly defined success metrics and timelines Team Leadership oProvide handson mentorship to junior data scientists and analysts guiding them on project delivery modelling best practices code quality and experimentation Required Skills oPython SQL ML frameworks oExperience with Azure Databricks or large scale data platforms oStrong foundation in statistics experimentation and causal inference oGenAI experience Prompt engineering LLM evaluation basic RAG oGood to have Understanding of the Digital Marketing domain

Created: 2026-03-10