Senior Optimisation Data Scientist London, Hybrid Inside IR35 This is a contract opportunity to deliver high impact optimisation solutions within a major operational environment. You will work on complex, real world logistical and resource planning challenges where your models will be used directly in live decision making. The Company They are a large international organisation with extensive operational networks across multiple business units. Their central AI and Data Science function is growing and plays a key role in solving high value optimisation problems. The team partners closely with operational stakeholders to develop practical solutions that improve efficiency and reduce disruption across the organisation. The Role and Deliverables Build production ready optimisation or simulation models in Python. Take ownership of operational optimisation problems from framing through to delivery. Translate stakeholder requirements into structured optimisation approaches. Develop solutions focused on logistics planning, supply chain optimisation and resource allocation. Collaborate closely with operational teams to refine constraints and validate outputs. Provide clear technical recommendations to support decision making. Your Skills and Experience Strong experience delivering optimisation or simulation solutions in production environments. Solid background in operations research or mathematical optimisation. Experience working on logistics, supply chain or resource allocation ..... full job details .....