Senior Data Scientist - London, Hybrid - up to £75k base

Oliver Bernard; Greater London; Hybrid; GBP 68,000 - 83,000; Full time

Benefits offered by this job

Hybrid work model

Central London onsite 2 days

Bonus scheme (10%)

Job summary

Oliver Bernard in London is seeking a Senior Data Scientist to join our hybrid team. You will design, build and evaluate NLP, LLM and generative AI solutions, working with large text datasets and production-grade Python code alongside engineering colleagues.

You’ll set up evaluation and monitoring frameworks to ensure outputs are trusted and reliable, and you’ll mentor peers to raise the technical bar. The role offers a hybrid pattern with 2 days onsite in Central London and a base salary up to

Qualifications

• Strong Python and ML fundamentals.
• Hands-on experience with NLP/LLM/RAG in applied settings.
• Experience handling large text datasets and cloud environments.
• Ability to mentor colleagues and share knowledge.

Responsibilities

• Designing, building and evaluating NLP, LLM and generative AI solutions
• Developing production-ready Python code with engineering teams
• Setting up evaluation and monitoring frameworks so outputs are trusted and reliable
• Mentoring colleagues and helping raise the technical bar

Skills

Python

ML fundamentals

NLP/LLM

RAG

Cloud platforms

Mentoring

PyTorch

Docker

Tools

PyTorch

Docker

Job description

Senior Data Scientist - London, Hybrid - up to £75k base

• 2 days onsite weekly, Central London
• 3 stage interview process

About the company

We're partnered with a global leader in information and analytics is expanding its data science function in London. Working with extensive, complex datasets, the organisation develops advanced analytical and AI-driven solutions that support innovation across scientific and healthcare-related industries. This is applied AI with real-world impact, backed by a stable, well-established business.

What you’ll be doing

• Designing, building and evaluating NLP, LLM and generative AI solutions
• Developing production-ready Python code with engineering teams
• Setting up evaluation and monitoring frameworks so outputs are trusted and reliable
• Mentoring colleagues and helping raise the technical bar

What you’ll bring

• Strong Python and solid machine learning fundamentals
• Hands-on experience with LLMs, RAG or NLP in an applied or product setting
• Experience with large text or content-rich datasets
• Familiarity with cloud platforms and modern engineering practices

What’s on offer

• Up to £75k base + 10% bonus
• Hybrid working, 2 days a week in central London
• Flexible hours and a strong focus on wellbeing
• A quick 3-stage process, completed in around 7 working days