Twenty First Group

Data Scientist

Twenty First Group  •  London, GB (Hybrid)  •  23 days ago
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Job Description

Data Scientist, Sports Betting

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.

Nice to Haves

  • 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.

What We Look For

  • 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
Twenty First Group

About Twenty First Group

We believe that successful sport is founded on the pillars of quality performance, compelling competition, and the passion of fans. These are the core value drivers in any sport and TFG specialises in understanding the interplay between these forces and providing strategic, actionable insights to unlock value for our clients. TFG combines strategy, data science, software engineering and design with its pioneering Intelligence Engine, a proprietary platform which generates powerful data-led insights, to underpin four TFG specialisms:

Performance Intelligence: We work with athletes, teams, brands, agencies and investors to identify and value talent, improve performance, conduct due diligence, deliver sporting excellence and maximise upside.

Competition Intelligence: We deliver insights and evidence-based strategy to help rightsholders structure competitions and optimise schedules, igniting the passion of fans and maximising commercial potential.

Investment Intelligence: We advise a wide range of investors in sport on identifying, understanding and unlocking commercial value by supporting pre-transaction strategy, conducting due diligence, and assisting post-transaction.

Fan Connection: We help rightsholders, media, brands and betting & gaming companies identify and connect with key audiences through predictive, performance insight-driven content that drives new revenue streams.

We have offices in the UK (London), Continental Europe (Cluj), North America (San Francisco) and Asia (Singapore).

Industry
Arts & Entertainment
Company Size
51-200 employees
Headquarters
London, GB
Year Founded
2013
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