Lead Data Scientist Job at Barclays (London)

Lead Data Scientist

Barclays

Location:
United Kingdom , London ▼
Glasgow
Manchester
Northampton

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Not provided

Save Job

Apply Position

Job Description:

Join us as a Lead Data Scientist at Barclays where you'll be primarily responsible for setting clear direction for AI and data science projects, mentoring and developing team members, designing scalable, effective AI solutions and guiding teams through technical transformation. To use innovative data analytics and machine learning techniques to extract valuable insights from the bank's data reserves, leveraging these insights to inform strategic decision-making, improve operational efficiency, and drive innovation across the organisation.

Job Responsibility:

Identification, collection, extraction of data from various sources, including internal and external sources
Performing data cleaning, wrangling, and transformation to ensure its quality and suitability for analysis
Development and maintenance of efficient data pipelines for automated data acquisition and processing
Design and conduct of statistical and machine learning models to analyse patterns, trends, and relationships in the data
Development and implementation of predictive models to forecast future outcomes and identify potential risks and opportunities
Collaborate with business stakeholders to seek out opportunities to add value from data through Data Science

Requirements:

Advanced Python Programming - Expert knowledge of data science libraries e.g. NumPy, Pandas, scikit-learn, PyTorch
Machine Learning Expertise - Demonstrated experience in designing, training, evaluating, and deploying production-grade ML models
Software Engineering Excellence - Experience building modular, maintainable code with CI/CD pipelines, testing frameworks, and deployment automation
Technical Leadership - Track record of successfully leading data science projects, establishing best practices, and driving technical innovation

Nice to have:

AI Systems - Proven ability to design and implement enterprise-scale AI solutions with consideration for performance, scalability and governance
People Management - Experience in line management, performance reviews, and career development for technical teams
Strategic Transformation - Ability to lead organizational change initiatives and develop long-term technical roadmaps
Generative AI & Large Language Models - Hands-on experience with transformer architectures
Specialised Data Science Expertise - Experience with advanced techniques such as causal inference, time series forecasting, optimisation techniques, graph networks

What we offer:

Working flexibly
Hybrid working
Structured approach to hybrid working with fixed 'anchor' days

Additional Information:

Job Posted:
January 10, 2026

Employment Type:

Fulltime

Work Type:

Hybrid work

Barclays - All Job Offers

Job Link Share: