Posted Thursday 22 January 2026 at 01:00 Expires Sunday 8 February 2026 at 00:59 At 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.
Jan 26, 2026
Full time
Posted Thursday 22 January 2026 at 01:00 Expires Sunday 8 February 2026 at 00:59 At 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.
A leading online retailer in Coventry is seeking a Warehouse Team Leader to manage a busy team of Warehouse Operatives. The role involves achieving daily picking and packing targets while ensuring high standards of performance. You will be responsible for communication of daily targets, maintaining safety standards, and fostering teamwork. Strong leadership and communication skills are vital, along with an understanding of warehouse operations. Flexibility in hours is required during peak trading periods.
Jan 26, 2026
Full time
A leading online retailer in Coventry is seeking a Warehouse Team Leader to manage a busy team of Warehouse Operatives. The role involves achieving daily picking and packing targets while ensuring high standards of performance. You will be responsible for communication of daily targets, maintaining safety standards, and fostering teamwork. Strong leadership and communication skills are vital, along with an understanding of warehouse operations. Flexibility in hours is required during peak trading periods.
A global ecommerce company is seeking a Principal Data Scientist to lead advanced pricing optimization efforts. In this influential role, you will apply machine learning and causal inference to solve complex pricing problems while mentoring junior data scientists. Ideal candidates will have expertise in Python and SQL, alongside a strong statistical background for impactful decision-making. Join a mission-driven team focused on sustainable practices and be part of a dynamic culture driving real-world change.
Jan 26, 2026
Full time
A global ecommerce company is seeking a Principal Data Scientist to lead advanced pricing optimization efforts. In this influential role, you will apply machine learning and causal inference to solve complex pricing problems while mentoring junior data scientists. Ideal candidates will have expertise in Python and SQL, alongside a strong statistical background for impactful decision-making. Join a mission-driven team focused on sustainable practices and be part of a dynamic culture driving real-world change.