Lead Data Scientist

JR United Kingdom; Cheltenham; On-site; GBP 70,000 - 100,000; Full time

Job summary

A leading company in hospitality is seeking a Lead Data Scientist to drive their data science roadmap and implement AI/ML solutions. This role requires strong leadership, technical expertise in Python and SQL, and an ability to translate insights into actionable strategies. Join a pioneering digital team committed to innovation.

Qualifications

• 5+ years experience in data science roles, preferably in fast-moving industries.
• Expert in Python and SQL.
• Experience leading and developing data science teams.

Responsibilities

• Own and deliver the Data Science roadmap aligning with business goals.
• Develop and deploy predictive models and customer segmentation.
• Lead and mentor a team of junior data scientists.

Skills

Python

SQL

Statistical Modelling

A/B Testing

Data Visualisation

Stakeholder Management

Communication

Tools

Power BI

Looker

Job description

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Halian Technologies is looking for a Lead Data Scientist to join our client’s digital team, supporting their journey to becoming a data-driven leader in the hospitality sector. This role involves owning and delivering the data science roadmap and building advanced AI/ML solutions that generate measurable business value. Experience in fast-paced, multi-brand environments and strong stakeholder management skills are essential.

You’ll be joining a forward-thinking organisation with deep heritage and a passion for innovation, working alongside cross-functional teams to deliver transformative insights and drive data maturity.

Key Responsibilities:

• Own and deliver the Data Science roadmap, aligning with business goals and digital strategy.
• Develop and deploy data science solutions including predictive models, customer segmentation, and AI/ML decision engines.
• Manage and enhance the data science environment and tooling for scalability and efficiency.
• Monitor and maintain the accuracy and effectiveness of deployed models.
• Collaborate with Product, CRM, IT, and Finance teams to embed data science solutions across the business.
• Translate complex data science outputs into clear, actionable business insights.
• Lead and mentor a team of junior data scientists to ensure high-quality delivery and professional growth.
• Act as a data steward, improving data quality across digital platforms.

Key Skills & Experience:

• 5+ years’ experience in data science roles, preferably within fast-moving, multi-brand industries.
• Expert in Python and SQL with strong statistical modelling skills.
• Proficient in A/B testing, significance testing, and data visualisation tools such as Power BI or Looker.
• Strong stakeholder management and communication skills, able to translate technical concepts for non-specialists.
• Experience leading and developing data science teams.
• Familiarity with cloud platforms and modern data science environments is advantageous.

Apply now to join a pioneering digital team delivering cutting-edge data science solutions that transform hospitality experiences.