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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Data Scientist - **Company:** Blue Light Card - **Location:** Cossington, UK (Remote available) - **Contract:** Permanent contract - **Skills:** A/B Testing, Python (Programming Language), Machine Learning, Data Processing, Sql Optimization, Machine Learning Operations - **Published:** June 10, 2026 - **Apply:** https://uk.indeed.com/viewjob?jk=66240bbd8db3159d ## About the Role Do you have experience in Statistical analysis?, * Significant experience as a Data Scientist, with a background in marketing analytics, ecommerce, or a loyalty or membership-driven environment * Strong Python proficiency for data manipulation, statistical modelling, and machine learning, alongside advanced SQL skills and experience with dbt * Solid grounding in statistical methods including regression, causal inference, and experimental design, with hands-on experience building and interpreting A/B tests * Practical experience building predictive models, particularly in retention or customer engagement contexts, with working knowledge of MLOps practices and model deployment pipelines * Experience collaborating with CRM or lifecycle marketing teams, with the ability to shape model outputs into actionable recommendations * The ability to communicate complex findings clearly to non-technical stakeholders, and to build reusable data products that others can act on independently * Familiarity with CLV modelling frameworks such as BG/NBD, Pareto/NBD, or ML-based approaches would be a bonus, but is not essential ## Description At Blue Light Card, our members are at the centre of everything we do. The Data Scientist team builds the algorithms and models that help us understand member behaviour, anticipate their needs, and keep our members engaged with the platform. We're looking for a Data Scientist, Decision Sciences, with a focus on retention and member engagement. You'll evaluate pipelines and results of retention models and identify improvements in outputs to improve the retention strategy. You'll partner closely with stakeholders across the organisation, translating complex questions into well-designed solutions, and communicating your findings in ways that land with both technical and non-technical audiences alike. What You'll Do * Design, develop, and iterate on machine learning models across the member lifecycle, with a particular focus on retention, churn prediction, and customer lifetime value * Evaluate existing model pipelines and outputs, identifying and implementing improvements to increase accuracy and business impact * Work closely with the CRM Lifecycle team to connect model outputs to retention strategies, capturing feedback and incorporating it back into model development * Build forecasting models and marketing mix models to support financial planning and commercial decision-making * Translate ambiguous business problems into well-defined data science approaches, conducting deep-dive analyses across member behaviour, commercial performance, and marketing effectiveness * Build and interpret A/B tests and holdout experiments to support evidence-based decision-making * Create dashboards and visualisations that help the wider organisation understand model results and progress * Act as a trusted partner to business and analytics stakeholders, understanding their goals and proactively identifying where data science can add value ## Related Videos - [Introduction to Azure Machine Learning](https://www.wearedevelopers.com/videos/368-introduction-to-azure-machine-learning) - [Implementing continuous delivery in a data processing pipeline](https://www.wearedevelopers.com/videos/73-implementing-continuous-delivery-in-a-data-processing-pipeline) - [Bringing the power of AI to your application.](https://www.wearedevelopers.com/videos/1010-bringing-the-power-of-ai-to-your-application) - [Data Science in Retail](https://www.wearedevelopers.com/videos/586-data-science-in-retail) - [Empowering Retail Through Applied Machine Learning](https://www.wearedevelopers.com/videos/976-empowering-retail-through-applied-machine-learning) - [What non-automotive Machine Learning projects can learn from automotive Machine Learning projects](https://www.wearedevelopers.com/videos/397-what-non-automotive-machine-learning-projects-can-learn-from-automotive-machine-learning-projects) ## Related Articles - [Data Analyst Salary in the UK](https://www.wearedevelopers.com/magazine/278-data-analyst-salary-in-the-uk) - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk) - [MLops – Deploying, Maintaining And Evolving Machine Learning Models in Production](https://www.wearedevelopers.com/magazine/115-mlops-deploying-maintaining-and-evolving-machine-learning-models-in-production) - [Best Companies to work for in London: Top 25 Companies in 2023](https://www.wearedevelopers.com/magazine/187-best-companies-to-work-for-in-london-top-25-companies-in-2023) - [Data Analyst Salary Austria](https://www.wearedevelopers.com/magazine/275-data-analyst-salary-austria) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market)