Data Scientist - Technology Solutions in City of Westminster

Data Scientist - Technology Solutions in City of Westminster

City of Westminster Full-Time No working from home possible
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We're looking for a Data Scientist to join our Technology Solutions squad. You'll develop the models behind our custom-built solutions for sports events and properties, contributing to a growing portfolio of broadcast, digital and fan-facing products delivered via B2C/B2B applications and APIs. You'll sit within a cross-functional squad and work closely with colleagues across the business, so you'll need to be comfortable collaborating across disciplines and different technologies.

  • Modelling & Analysis: Develop, train and evaluate models using statistical and machine learning techniques, with a focus on probabilistic approaches. Contribute across 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.
  • Data Pipelines: Help build and maintain the pipelines your models depend on, ingesting and validating new and often messy sports data sources.
  • AI-Assisted Development: Leverage AI tools to accelerate and improve your day-to-day workflow.
  • Event Support: Our solutions are often built around specific sporting events, meaning fixed deadlines and go-live support requirements that you will help to provide.
  • Quality & Rigour: Apply good model development discipline through version control, testing and documentation.

What You’ll Bring

  • Passion for Sport: You follow sport closely and understand the context of the data and audiences 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.
  • Interest in Data Engineering: An appetite for the engineering side of the work - you want to understand and help own the pipeline that feeds your model, rather than hand that problem to someone else.
  • Client-Centricity & Communication: You keep the client in mind throughout, and can present findings clearly to both technical and non-technical audiences. You're comfortable explaining your work directly to client stakeholders and translating what they need into modelling decisions.

Nice to Haves

  • Golf: A passion for golf is a real advantage. A significant share of this squad's work is golf, so familiarity with strokes gained, shot-level data and how a tournament unfolds will let you contribute quickly.
  • Data Engineering: Experience building and maintaining production data pipelines, or working with AWS services such as Lambda, EventBridge and DynamoDB.
  • 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 user 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 work well within a cross-functional team that brings together colleagues from across the business.
  • Client-Centric: You care about the people using what you build. You listen to what clients and stakeholders actually need and let that shape how you approach a problem.
  • Continuous Development: You are keen to develop knowledge and skills, keeping up to date with relevant developments and applying new learning where appropriate.

BenefitsWhat We Offer

  • Hybrid working out of our London office (Farringdon) - most of our staff come into the office about three days a week
  • Salary based on our external benchmarking framework, plus eligibility for a bonus scheme
  • Private health insurance
  • Personal days, including birthdays and health and wellness days
  • AI forward culture

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Data Scientist - Technology Solutions in City of Westminster employer: Twenty First Group

At Twenty First Group, we pride ourselves on being an excellent employer that fosters a collaborative and innovative work culture. Our London office in Farringdon offers a vibrant environment where mid-level engineers can thrive, with opportunities for professional growth through mentorship and hands-on experience in cutting-edge technologies. With a competitive bonus scheme and a commitment to work-life balance through our hybrid model, we ensure that our employees feel valued and empowered to make a meaningful impact in the sports industry.

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Contact Details:

Twenty First Group Recruitment Team