Production LLM Data Scientist – Underwriting AI

CFC; City Of London; On-site; GBP 60,000 - 90,000; Full time

Job summary

CFC in London is seeking a mid-level Data Scientist to join the Data & AI team building production AI and ML systems for underwriting decisions. You will run experiments, design evaluation frameworks, and work with engineers to deliver live, scalable solutions that drive real business outcomes.

You'll collaborate with ML engineers and software engineers to take prototypes into production, own data science aspects of a live LLM system, and translate insights into measurable, defensible metrics

Qualifications

• Experience in Data Science, ML, NLP or LLM-focused roles.
• Strong Python and SQL in production environments.
• Hands-on evaluation, deployment and monitoring of ML/LLM apps.

Responsibilities

• Explore high-dimensional real-world datasets to improve underwriting decisions.
• Design evaluation frameworks and measure agent quality.
• Collaborate with ML engineers to productionise models and monitoring.
• Document experiments and ensure reproducibility.

Skills

Python

SQL

NLP

LLM

Production code

Tools

Databricks

Azure

Docker

Job description

CFC in London is seeking a mid-level Data Scientist to join the Data & AI team building production AI and ML systems for underwriting decisions. You will run experiments, design evaluation frameworks, and work with engineers to deliver live, scalable solutions that drive real business outcomes.

You'll collaborate with ML engineers and software engineers to take prototypes into production, own data science aspects of a live LLM system, and translate insights into measurable, defensible metrics