Data Scientist

Senior Data Scientist

95,000 - 120,000

London (4 days a week in office)

La Fosse is proud to be partnering exclusively with a fast-scaling, product-first technology business based in London. Backed by major players in the Retail and Hospitality sectors, the company is rapidly expanding its AI capabilities and looking for a senior hire to help shape the future of its data science function.

What Youll Be Doing

• Lead the design, development, and deployment of production-grade AI/ML models with tangible business impact
• Own and drive data initiatives across demand prediction, optimisation, and computer vision
• Collaborate with cross-functional teams to embed machine learning solutions into the core product
• Provide technical leadership and mentorship to junior and mid-level data scientists
• Influence data architecture and support backend infrastructure (Python/Django/Go) for scalable ML deployment
• Play a strategic role in shaping the future direction of data science within the business

What Were Looking For

• 4+ years of experience in a Data Science or Machine Learning role, with a proven track record of delivering value through AI
• Strong academic background; a PhD in a relevant field (e.g., Computer Science, Applied Mathematics, Engineering) is highly preferred
• Demonstrated ability to deploy production-level ML modelsparticularly in optimisation, demand forecasting, or computer vision
• Advanced proficiency in Python and ML frameworks such as Scikit-learn, TensorFlow, or PyTorch
• Solid understanding of supervised and unsupervised learning, statistical modelling, and mathematical optimisation
• Hands-on experience with AWS services, especially SageMaker, Lambda, and related infrastructure
• Willingness to contribute to backend development to support ML model integration

Why Join?

If you're looking to take a leading role in solving real-world problems using AI and data, and want to work in a mission-driven, intellectually curious, and fast-moving environment, this could be the perfect fit.