Senior Data Scientist - Pricing

November 7, 2026

Hybrid

Senior

Barcelona, Spain

Description

Senior Data Scientist - Pricing within the Pricing & Quality team, focused on designing and scaling AI-driven solutions for a global marketplace for refurbished devices. The core focus is implementing machine learning models and optimization algorithms to optimize fees and pricing. The role owns projects end to end — from problem definition and metrics design through data extraction, model implementation and presenting results to business and product stakeholders. The position is hybrid, based in Barcelona, Catalonia, Spain.

Responsibilities

Drive pricing intelligence by designing and implementing Machine Learning models and optimization algorithms for pricing levers
Own projects end to end from problem definition and metrics design, through data extraction and model implementation, to presenting results to business and product stakeholders
Collaborate with data scientists and backend engineers to translate models into production-ready features
Design and analyze experiments to measure the impact of fee strategies or model changes
Leverage statistical analyses to uncover actionable insights for tech, business and product decisions
Communicate work clearly to engineering, product and business stakeholders

Requirements

At least 5 years of industry experience as a data scientist
Master’s or PhD in a quantitative discipline such as Statistics, Economics or Engineering
Contributed to data science projects that had real impact on live, customer-facing products in production
Able to make decisions and propose directions when the problem is not fully defined or the data is imperfect
Strong grasp of machine learning and statistical concepts and choosing the right model for production
Practical expertise in experimentation design and analysis
Proficient in Python and SQL, with familiarity with software engineering principles around testing, code reviews and deployment
Clear communicator able to explain complex ideas and results to diverse audiences, including senior management
Experience in pricing, B2C marketplaces or revenue management is a strong plus

Conditions

Hybrid work environment with 2 remote days a week and 1 remote work week per quarter, plus 3 flex days
Impact-driven hands-on work in an innovative, fast-paced environment with career development
Employee Resource Groups including mentorship programs, accessibility policies and cultural competency training
Mission-driven work environment where day-to-day work has an impact on the planet
Full-time employment