Lead Product Data Scientist

Company: Jobtailor
Apply for the Lead Product Data Scientist
Location: London
Job Description:

  • Talk to customers and align on success criteria and measurement
  • Use raw, real-world data to form clear, actionable insights
  • Optimise agent performance for each onboarded customer
  • Own the optimisation flow from identifying opportunities through testing hypotheses, running experiments, delivering improvements, and demonstrating value
  • Analyse data at a granular level and develop and test robust hypotheses
  • Work across multiple teams and functions to identify high-impact opportunities and deliver outcomes
  • Own work end to end and scope independent initiatives
  • Turn ad hoc analyses and findings into scalable self-service tooling for teammates and customers

Requirements

  • Significant data science experience at a lead/staff level
  • Experience building robust data pipelines
  • Fluency in SQL and Python
  • Strong understanding of statistical methods
  • Background working in a startup or fast-moving tech environment
  • Experience working close to the product or customer side of the business
  • Ability to solve data puzzles and turn SQL queries into clear conclusions and next steps
  • Strong product mindset and pragmatic approach
  • Ability to make tradeoffs and move quickly to deliver product and business impact
  • Expert communication skills
  • Ability to work in a partially customer-facing role
  • Confident use of AI to improve day-to-day efficiency while maintaining high-quality output
  • Ideally able to come into the London office at least once per week

Core Competencies

Demonstrates expertise in data science with a strong focus on building data pipelines, utilizing SQL and Python for analysis, and delivering actionable insights that drive product and business impact. Capable of working collaboratively across teams while maintaining a customer-centric approach.

Highest-signal resume keywords

  • Data Science Experience
  • SQL Fluency
  • Python Proficiency
  • Statistical Methods Understanding
  • Product Mindset

Hard Skills

  • Data Pipeline Development
  • Statistical Analysis
  • Data Analysis
  • Hypothesis Testing
  • Experimentation
  • Data Optimization
  • SQL Querying
  • AI Utilization

Soft Skills

  • Expert Communication
  • Problem Solving
  • Pragmatic Approach
  • Customer-Facing Skills

Industry Keywords

  • Startup Environment
  • Fast-Moving Tech
  • Customer Success
  • Self-Service Tooling

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Posted: September 15th, 2026