Harnham
Product Data Scientist - Semantic Analysis
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Do you want to shape how one of Europe's leading AI products measures success? Have you worked with large-scale text, conversational or semantic datasets to uncover product insights? Are you ready to influence product strategy through data rather than just reporting on it?
We're hiring for a well-funded AI-native scale-up building one of the world's leading AI video generation platforms. Their technology enables users to create avatar-led videos from text and is used globally across training, internal communications, sales enablement and marketing. Having achieved significant growth and enterprise adoption, they are investing heavily in understanding how users interact with AI products and how those experiences can be improved.
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This role sits at the intersection of Product, Data Science and AI. You'll analyse large-scale conversational datasets, build evaluation frameworks for AI-native features, and directly influence product decisions through experimentation and insight generation.
Key Responsibilities
- Analyse large-scale conversational, prompt and interaction datasets
- Build and own AI product evaluation frameworks and success metrics
- Use NLP, semantic analysis and behavioural analytics to identify opportunities for improvement
- Design and analyse A/B tests and experimentation programmes
- Partner with Product Managers, Engineers and Directors to influence roadmap decisions
- Link AI feature usage to activation, retention, engagement and business outcomes
- Mentor analysts or data scientists and raise analytical standards across the team
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Key Details
- Salary: £110,000–£125,000 (Senior/Tech Lead) or £120,000–£145,000 (Staff)
- RSUs worth 50–100% of base salary
- Potential £10,000 sign-on bonus
- Hybrid London (ideally 2–3 days per week, flexible to 1 day)
- Stack: Python, SQL, NLP, Text Analytics, Semantic Analysis, Experimentation, dbt
Interested? Please apply below.
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