Data Scientist
Twenty First Group · London, England, UK
Apply directly on Twenty First Group’s careers site — no account needed.
About the role
Data Scientist, Sports BettingRole Overview
Requirements
What You’ll Bring
Benefits
What We Offer
We're looking for a Data Scientist to join our Sports Betting vertical. You’ll develop predictive models, contributing to our growing portfolio of pre-match and in-play products and services for the sports betting industry.
What You’ll Do- Modelling & Analysis: Develop, train, and evaluate predictive models using machine learning and statistical techniques, with a focus on probabilistic and Bayesian approaches. Contribute to the modelling lifecycle from feature engineering and training through to validation and deployment.
- Data Work: Query, clean, and explore datasets using Python and SQL to surface patterns and support model development.
- AI-Assisted Development: Leverage AI tools to accelerate and improve your day-to-day workflow.
- Quality & Rigour: Apply good model development discipline through version control, testing and documentation.
Requirements
What You’ll Bring
- Passion for Sport: You follow sports and understand the context of the data and markets we build for. Comfortable with sport-driven modelling decisions.
- Machine Learning & Statistics: Solid grounding in machine learning, supervised and unsupervised methods, and classical statistical techniques. Comfortable working with probabilistic models, uncertainty estimation and Bayesian inference.
- Model Development: Understanding of the full model training pipeline, including data preparation, feature selection, model selection and model validation.
- Experience: Hands-on experience building and evaluating models in a data science or quantitative context.
- Python & SQL: Comfortable using python and SQL for data exploration, feature development and modelling workflows.
- Communication: Able to present findings clearly to both technical and non-technical audiences.
- Simulation: Experience with Monte Carlo methods or probabilistic simulation.
- AI Integration: Comfortable using AI-assisted coding tools such as Claude Code or Cursor as part of your everyday workflow, and open to integrating them deeper into how you model and build.
- Curiosity: You are naturally curious about the “Why”. You look at data and customer behaviour to inform your decisions.
- Collaborative & Open: You treat your work as a starting point for collaboration. You contribute to shared knowledge and code bases, and value engaging with your peers to build solutions.
- Continuous Development: You are keen to develop knowledge and skills, keeping up to date with relevant developments and applying new learning where appropriate.
Benefits
What We Offer
- Hybrid working out of our London office (Farringdon) - most of our staff come into the office about twice a week
- Salary based on our external benchmarking framework, plus eligibility for a bonus scheme
- Private health insurance, occupational life cover, and income protection insurance
- Personal days, including birthdays and health and wellness days
- AI forward culture including Claude Code Premium subscription
Description sourced from the public LinkedIn listing — this role isn't indexed from the company's career page yet.
Skills
- Python
- SQL
- pandas
- NumPy
- scikit-learn
- TensorFlow
- PyTorch
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