Catawiki

Catawiki is an online auction platform for buying and selling special and collectible items. Catawiki was founded in 2008 in the Netherlands as an online community for collectors.
About company

Senior data scientist - product insights

Remote

location Lisbon

date October 18, 2026

types Full-time

Sobre a vaga

We are looking for a Senior Data Scientist - Product Insights to work with our Product teams and leverage data to identify user journey opportunities and measure the impact of our product features. You will be part of the Data Science & Insights team helping us make sense of our data and creating self-service opportunities by combining data from multiple sources.

O que vais fazer

  • Own analytics for a broad product area
  • Take full ownership of a major part of the platform
  • Build strong partnerships with stakeholders and proactively identify opportunities by deeply understanding Catawiki’s user behaviour
  • Turn data into insights and recommendations
  • Define and refine key success measures, uncover trends, and translate data into clear recommendations
  • Make sure the right information is always at hand to guide the business through dashboards and reports
  • Drive advanced product analytics at scale (including GenAI)
  • Use methods like regression analysis, causal inference, and A/B testing to understand user behaviour, uncover actionable insights, and measure the impact of new features
  • Help define how we evaluate GenAI-powered features by setting up offline benchmarks and online measurement to track quality, performance, drift, and user impact over time

O que é pedido

  • Strong quantitative background and 6+ years of experience in data science or analytics, ideally in an online company
  • Comfortable owning complex projects and influencing stakeholders with recommendations tied to measurable product impact (e.g., conversion, retention, engagement)
  • Highly proficient in SQL and experienced in writing code to transform data into insights, whether in Python, R, or another language
  • Can handle large datasets, optimize data pipelines, and work with tools like Looker Studio, Tableau, Power BI, and data transformation tools like dbt or Dataform
  • Strong grasp of statistics and apply advanced techniques like regression analysis, causal inference, time series modeling, and hypothesis testing
  • Experience with tracking tools like Google Analytics (GA) and Google Tag Manager (GTM), and can design, implement, and validate measurement strategies
  • Hands-on experience designing and evaluating A/B tests and other experiments, ensuring robust methodologies that lead to actionable insights
  • Take ownership, solve problems autonomously, and drive initiatives forward—even when it means stepping outside your comfort zone
  • Work effectively with leadership, engineers, and product teams, translating complex data insights into clear recommendations
  • Enjoy mentoring other data scientists and fostering a data-driven culture
  • Currently residing in Portugal

O que é oferecido

  • Learning & Development initiatives, including clear development plans and mentorship programmes
  • €100 Catavoucher when you join
  • €50 Catavoucher on your birthday
  • Extra day off each year to Pursue Your Passion
  • Additional leave for key work anniversaries and important life events
  • Hybrid setup, combining office-based and remote work, with a minimum of two days per week in the office

Benefícios e vantagens

  • Comida, fruta e bebida
  • Dias extra
  • Escolha sistema operativo / hardware
  • Paga o passe
  • Perto de transportes públicos
  • Prémios de performance
  • Seguro de saúde
  • Suporte psicológico