data Scientist

AI/ML Data Scientist / ML Engineer - 3-Month Contract

Location: London or Edinburgh (Hybrid)Sector: Leading UK Bank Contract: 3-month initial contract (potential extension)

A leading UK bank is seeking an experienced AI/ML professional to join their cross-functional delivery team. This role suits someone with strong hands-on technical expertise and a track record of delivering business-focused AI/ML solutions, including LLM-based applications.

You'll work closely with data scientists, software engineers, and ML engineers to design, experiment, validate, and deploy production-grade AI systems for customer-facing applications.

• Lead hypothesis generation, experimentation, and model validation to support new AI/ML business solutions.
• Design, run, and manage data science experiments with high standards of rigor and reproducibility.
• Build and deploy machine learning models-including LLM-powered solutions-to solve real business problems.
• Partner with cross-functional teams (data science, software engineering, ML engineering) to develop full end-to-end production systems.
• Support architectural discussions and promote best practices in ML engineering and cloud deployments.
• Maintain version-controlled codebases and contribute to CI/CD, testing, and documentation processes.
• Provide technical direction and mentorship to team members as needed.

• Strong expertise in Python for data science and ML engineering.
• Solid hands-on experience with AWS, including services such as Amazon SageMaker.
• Comfortable with software version control (Git) and collaborative workflows.
• Experience with experiment tracking/management tools (e.g., SageMaker Studio, MLflow, Weights & Biases).

• Proven ability to build, test, and validate hypotheses through well-designed ML experiments.
• Hands-on experience creating and deploying AI/ML models, including Large Language Models (LLMs).
• Understanding of MLOps principles and deploying models into production environments.

• Experience working within - and ideally leading - cross-functional teams.
• Ability to translate complex business challenges into practical data-driven solutions.
• Strong communication and stakeholder engagement skills.

• Experience in banking or financial services.
• Exposure to customer-facing ML/AI systems.
• Familiarity with LLM fine-tuning, evaluation frameworks, or prompt engineering.

• Location: London or Edinburgh
• Duration: 3-month initial contract
• Start: ASAP
• Working model: Hybrid

Guidant, Carbon60, Lorien & SRG - The Impellam Group Portfolio are acting as an Employment Business in relation to this vacancy.