OnBuy.com
AI

Data Scientist

OnBuy.com · Remote, GB · $82k - $88k

Actively hiring Posted 4 months ago

Responsibilities

  • Develop and deploy data science models to support key e-commerce use cases such a purchase propensities, marketing attribution, product recommendations and retention risk.
  • Design and analyse experiments (A/B and multivariate testing) to evaluate product and marketing initiatives.
  • Translate business problems into clear analytical questions and data science solutions.
  • Continuously monitor model performance and refine models to ensure accuracy and effectiveness in an evolving ecomms landscape.
  • Communicate insights and model outputs clearly to non-technical stakeholders, influencing decisions.
  • Collaborate with Data Engineers to ensure models are scalable, reliable and production ready.
  • Work closely with analysts to share best practice, provide coaching, and raise overall data capability across the team.
  • Support a culture of data-driven decision making across the business.

Basic qualifications

  • Degree in Data Science, Mathematics, Computer Science, or a related field.
  • Over 2 years data science experience ideally within an e-commerce, digital, or consumer business.
  • Ability to focus on business outcomes (growth, conversion, retention, margin), not just models — and to prioritise work that delivers measurable impact.
  • Confident in statistics, experimentation, and machine learning, with the judgement to choose the right level of complexity for the problem.
  • Understanding of customer behaviour, funnels, marketing channels, pricing, and product performance — or the ability to learn this quickly.
  • Can explain complex concepts simply, tell a compelling data story, and influence non-technical stakeholders to act on insights.
  • Works effectively with analysts, data engineers, product and marketing teams — building reusable, well-documented, scalable solutions and raising capability around them.
  • Excellent Python skills (e.g. pandas, numpy, scikit-learn, statsmodels) and strong expertise in SQL for data querying, manipulation, and transformation.
  • Familiarity with cloud data platforms (e.g. BigQuery, Snowflake, Databricks).
  • Excellent problem-solving skills.
  • Experience with recommendation systems, forecasting, or causal inference.
  • Knowledge of marketing analytics (attribution, MMM, incrementality).
  • Experience with data visualisation tools.
  • Understanding of version control using Git.

Benefits

  • Company Equity- In return for helping us to grow, we’ll offer you company equity, meaning you own a piece of this business we are all working so hard to build.
  • 25 days annual leave + Bank Holidays
  • 1 extra day off for your Birthday
  • Employee Assistance Programme
  • Perks at Work benefit platform
  • Opportunities for career development and progression

Tags & focus areas

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Fulltime Remote Data Science Ai