Lead Data Science Consultant - Retail/Consumer Services

Job Title: Lead Data Science Consultant - Retail/Consumer Services Company: Harnham Job Category: Data Science Roles & Responsibilities: Would you like to own solutions from initial client problem through to implementation and measurable impact? A leading UK consultancy is scaling its dedicated AI \& Data Science capability, with a major focus on Retail and Consumer Services. Their teams embed directly with large organisations to solve commercially important problems using data, AI and operational change. Previous work has included AI\-powered markdown optimisation delivering a £40m revenue uplift and supplier cost modelling across 300 factories and 16 brands. This is an opportunity to join a growing capability where technical delivery and commercial impact carry equal weight. You’ll lead hands\-on Data Science projects across areas including pricing, forecasting, supply chain and operational optimisation, working directly with client stakeholders. You’ll have ownership from shaping the initial problem through to building, deploying and embedding solutions into business decision\-making. Key Responsibilities * Build and deploy machine learning and optimisation solutions for retail and consumer clients * Solve commercial problems across pricing, forecasting, supply chain and operations * Use Python and advanced analytics to turn complex datasets into actionable solutions * Work directly with stakeholders to define problems, KPIs and delivery priorities * Own projects from technical design through to implementation and measurable business impact * Lead technical delivery and support the development of junior Data Scientists Work Location: London Area, UK Availability: Full time

Do you want your data science work to have a measurable impact on revenue, margin and customer experience? * Salary: £80,000–£115,000\+ base * Working model: 3\+ days/week on client sites across the UK * Tech stack: Python, SQL, ML, optimisation, Databricks and modern data tooling * Visa sponsorship: Not available Key Skills: Data Science Salary: Not disclosed