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Principal Data Scientist
World of Books
- London, England, United Kingdom
- London, England, United Kingdom
Über
World of Books , we’re on a mission to become
the Planet’s Bookstore
— helping people read more while wasting less. As a certified
B-Corp
and a £200m+ global ecommerce business, data science sits at the heart of how we price millions of books sustainably and profitably. We’re now looking for a
Principal Data Scientist
to play a critical technical leadership role in shaping how advanced modelling and experimentation are applied to pricing at scale. The Role
This is a
senior individual contributor
role (no people management), focused on solving complex, high-impact pricing problems through experimentation, causal inference and applied machine learning. You’ll work closely with our
Data Science Manager , engineers and commercial leaders, acting as a technical authority and mentor while remaining hands-on. What You’ll Be Doing
Leading advanced
pricing optimisation, elasticity modelling and experimentation Designing and evaluating
A/B tests, bandits and quasi-experiments Building and deploying
production-grade models
with strong observability Setting practical standards for modelling, experimentation and DS workflows Mentoring senior and mid-level data scientists through review and example Advising stakeholders on trade-offs between
rigour, speed and business value Identifying future high-value data science use cases beyond pricing What We’re Looking For
Deep experience applying data science in
commercial environments
(pricing, ecommerce or marketplaces ideal) Expert
Python
and strong
SQL Advanced knowledge of
statistics, ML and causal inference Proven experience deploying and iterating on models in production Ability to influence through expertise and communicate clearly with senior stakeholders Pragmatic, outcome-focused mindset with comfort in ambiguity Why Join World of Books?
Work on
meaningful, planet-positive problems at global scale A true
Principal IC role
with influence but no line management Partner closely with an experienced DS Manager who owns strategy and prioritisation Help shape how data science is practised in a growing, evolving organisation Be part of a mission-driven, collaborative and inclusive culture Interested?
If you’re a senior data scientist who thrives on complex problems, hands-on technical leadership and real-world impact — we’d love to hear from you. World of Books is proud to be an equal opportunities employer and is committed to building a diverse and inclusive team.
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Sprachkenntnisse
- English
Hinweis für Nutzer
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