Senior Data Scientist

Senior Data Scientist page is loaded## Senior Data Scientistlocations: UK - Greater Londontime type: Full timeposted on: Posted 11 Days Agotime left to apply: End Date: November 6, 2025 (16 days left to apply)job requisition id: 533440About the roleThis is an exciting opportunity is to join our Global AI & Data Science team. AI, Data Science and Machine learning is a critical part of our strategy and we are investing to build best in class data science capabilities, so our AI solutions deliver impact and meet our Responsible AI requirements.Key Responsibilities of the role· Developing, deploying and executing data science models, adapting and applying optimisation algorithms across different business domains (supply chain optimisation, marketing and commercial investment, portfolio optimisation etc).· Contribute to the creation of foundational enterprise assets for optimisation and scenario simulation.· Work closely with product owners, data engineers and machine learning engineers to deliver high quality data science solutions for a set of relevant industrial problems.· Work on a variety of datasets to train and validate mathematical and machine learning models.· Define and implement metrics to evaluate the functional performance, and the computational resource efficiency of ML and AI components.· Support the deployment of ML solutions on the enterprise infrastructure, in line with ML engineering standards and best practices (version control, testing, deployment, maintenance).· Manage the whole lifecycle DS/ML models, monitoring, gathering data for retraining, and update.· Potentially leverage external data to boost model performance.· Perform code reviews and ensure excellent code quality.· Collaborate with colleagues in the Data Science team to develop technical excellence. Collaborate with squad members form different Teams to develop understanding of the broader business and Data context.Essential Qualifications & Skills- MSc or PhD degree in mathematics, computer science, statistics, physics, engineering, or another scientific discipline that provides solid foundations on relevant aspects of Data Science.- 3-5 years of industry experience with developing mathematical and machine learning models and creating software pipelines for their execution.- Direct experience and deep understanding of optimisation methods and techniques (linear, integer and mixed-integer programming, heuristic search methods for highly constrained optimisation problems)- Experience and strong understanding of machine learning algorithms, mathematical modelling and industrial applications of AI.- Professional-level programming experience with (Python, R, SQL)- Scientific mindset and ability to conceptualise, prototype and implement algorithms to solve complex business problems.- Good working knowledge of cloud-based and local data science frameworks and environments (Databricks, Azure etc).- Initiative and ability to work independently and collaboratively within a cross-functional team- Strong communication skills for technical and non-technical audiences.Desirable Qualifications & Skills- Experience with supply chain modelling and optimisation.- Experience with process mining, process optimisation, optimal control, reinforcement learning, multi-objective optimisation, deep learning.- Experience with leading data science projects.- Experience with the Microsoft Azure tech stack, AzureML, BigQuery and Scala.- Exposure to Agile.People and Team management- Contribute to a highly collaborative team with a culture of ownership, initiative and responsibility.- Work closely with key stakeholders to determine business objectives.- Contribute to the development of our Team’s data science toolbox of reusable DS, ML, and AI assets.- Motivate, coach, mentor colleagues within the Data Science Team to develop technical excellence.- Proactive engagement in personal development and development of the direct reports.Care to join us. Find out what life at Haleon is really like www.haleon.com/careers/ At Haleon we embrace our diverse workforce by creating an inclusive environment that celebrates our unique perspectives, generates curiosity to create unmatched understanding of each other, and promotes fair and equitable outcomes for everyone. We're striving to create a climate where we celebrate our diversity in all forms by treating each other with respect, listening to different viewpoints, supporting our communities, and creating a workplace where your authentic self belongs and thrives. We believe in an agile working culture for all our roles. If flexibility is important to you, we encourage you to explore with our hiring team what the opportunities are. As you apply, we will ask you to share some personal information, which is entirely voluntary. We want to have an opportunity to consider a diverse pool of qualified candidates and this information will assist us in meeting that objective and in understanding how well we are doing against our inclusion and diversity ambitions. We would really appreciate it if you could take a few moments to complete it. Rest assured, Hiring Managers do not have access to this information and we will treat your information confidentially. Haleon is an Equal Opportunity Employer. All qualified applicants will receive equal consideration for employment without regard to race, color, national origin, religion, sex, pregnancy, marital status, sexual orientation, gender identity/expression, age, disability, genetic information, military service, covered/protected veteran status or any other federal, state or local protected class.Accommodation RequestsIf you require a reasonable accommodation or other assistance to apply for a job at Haleon at any stage of the application process, please let your recruiter know by providing them with a description of specific accommodations you are requesting. We’ll provide all reasonable accommodations to support you throughout the recruitment process and treat all information you provide us in confidence.
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