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Senior/Lead Data Scientist

London, England, United Kingdom💼 Full-time🗓 2026-01-06 → 2026-09-27

Core

Build components of new products that turn real customer signals into timely actions and measurable outcomes, establishing experimentation foundations and productionizing data/model workflows.

Role type

Senior/Lead Data Scientist (Product & Marketing)

Builds

New product features for LLM visibility advantage and Voice of Customer insights platform

Domain

SaaS / Consumer Marketing / Generative AI

Deliverable

production ML models | product features

Required skills

feature engineering, propensity modeling, uplift modeling, model evaluation, monitoring, Python, SQL, event schema design, batch job orchestration, data quality guardrails

Preferred skills

LLM applications for agentic solutions, graph modeling, personalization, bandits, causal inference, dbt, Airflow, Looker, Metabase, AWS services (S3, Lambda), FastAPI/Flask, OpenAPI

Technologies

scikit-learn, XGBoost, LightGBM, CatBoost, CausalML, Keras, DoWhy, AWS Lambda, API Gateway, containers

Responsibilities

Design metric design, data and modeling, experimentation, and product integration; Partner across Product, Engineering, CS, and Commercial to make human signals actionable; Ship durable data and model workflows with quality monitoring and documentation

Seniority

Senior, hands-on IC

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