Python Developer – AI/ML

BT Group

full-time

Posted on: 1/5/2026

Location Type: Office

Location: London • United Kingdom

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About the role

Design and create analytical data models that deliver value.
Demonstrate the practical use of models and innovate in applying models to deliver value quickly.
Explore and discover data using tools such as Python and SageMaker, and prepare detailed implementation approaches for production.
Act as an AI evangelist, communicating a detailed understanding of how models work and effectively conveying this information to appropriate audiences.
Work collaboratively to achieve consensus and demonstrate value in a team setting.
Leads the extraction and analysis of big data through the application of Data Science & AI techniques to generate insight from data to support decision-making across the business or to embed in new products and services.
Drives model development, including data exploration, training data, feature extraction, validation and scoring.
Drives the development of insightful visualisations to make sophisticated analyses accessible to a broad audience.
Drives initiatives related to fairness, ethics, interpretability, safety, robustness, and privacy in the context of artificial intelligence and machine learning.
Mentors other Data Science & AI professionals, helping to improve the team’s abilities by acting as a technical resource.
Champions, continuously develops and shares with team knowledge on emerging trends and changes in machine learning and artificial intelligence.

2-3 years+ of proven success at applying Data Science approaches or developing and shaping AI algorithms and models. (Mandatory)
Cloud Platforms - Experience with AWS cloud services for scalable AI & data solutions. (Mandatory)
Experience in programming languages such as Python/Java and strong knowledge of AI/ML libraries. (Mandatory)
Solid understanding of software architecture, data modeling, and various data structures.
Knowledge of data governance practices to ensure data quality, security, and compliance.
Demonstrates a comprehensive understanding of ethical considerations related to artificial intelligence and possesses the capability to develop and implement fair and responsible AI solutions.
Research skills to stay up-to-date with the latest AI trends and continue to learn new techniques.
Excellent communication – the ability to listen and to share ideas clearly to a range of audiences.
Experience in leading, managing and/or coaching others – particularly those in technical roles, whether as a line manager or not.

Benefits

Annual On target bonus 10% (personal and company multipliers)
BT Pension scheme; minimum 5% employee contribution, BT contribution 10%
Life Assurance
Direct share scheme
Exclusive colleague discounts on our latest and greatest BT broadband packages
50% off EE mobile pay monthly or SIM only plans and 50% discount for friends and family on EE SIM only plans
My Discounts gives colleagues access to unbeatable savings on everyday purchases at hundreds of retailers
Discounted EE TV including TNT Sport and the NOW Entertainment membership
Great support for working parents including pay whilst on maternity, adoptive, and paternity leave
Option to join the Healthcare Cash Plan or other benefits such as dental insurance, gym memberships etc.
25 days annual leave (not including bank holidays), increasing with service with buy holiday option
Volunteering days so you can give back to your local community
Brand new electric vehicle salary sacrifice arrangement, known as ‘My EV’

Tip: use these terms in your resume and cover letter to boost ATS matches.

data modelingAI algorithmsmachine learningdata explorationfeature extractiondata validationdata scoringdata governancePythonJava

communicationcollaborationmentoringleadershipresearch skills