Senior Data Scientist
B
BooksyMarketplace
United Kingdom. Poland. SpainFull-TimeSenior
Salary not disclosed
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Job Details
- Languages
- Conversational-level English
- Required Skills
- AWSPythonSQLGCPMachine LearningNLPGenerative AI
Requirements
- Proven experience delivering machine learning solutions end to end in production, ideally in a marketplace or customer-facing product environment.
- Strong experience with behavioural and customer data, including segmentation, lifecycle modelling, scoring, search, or recommendation systems.
- Strong Python and SQL skills, with the ability to work across modelling and data preparation.
- Experience working with cloud platforms, GCP preferred and AWS also welcome, and understanding how data pipelines are built and maintained.
- Demonstrated ability to define problems clearly, engage stakeholders, and communicate impact in commercial environments.
- At a minimum we require conversational-level English language skills.
- Experience applying NLP and LLMs to real product use cases (Generative AI is a plus).
- Experience working with real-time or near real-time systems.
- Exposure to pricing or marketing optimisation problems.
Responsibilities
- Build and own machine learning powered features that directly improve our customer app and marketplace experience.
- Work on customer-facing problems such as search and ranking, recommendations, segmentation, lifecycle modelling including activation, churn, and reactivation, lead scoring, and personalization.
- Operate end to end, from shaping ambiguous product ideas into clearly defined problems, through modelling and experimentation, to deploying and monitoring production systems.
- Contribute to data pipelines, partnering closely with engineers on real-time systems, and ensuring models are robust, scalable, and measurable against business KPIs such as conversion, retention, and revenue.
- Collaborate cross-functionally with Product, Engineering, Marketing, and Pricing, acting as both a technical expert and a structured problem-solver who can clearly communicate trade-offs and impact.
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