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Principal Applied Data Scientist

GBR-London-10 Paternoster Square💼 Full-time🗓 2026-05-13 → 2026-07-31

Core

Design, build, and deploy scalable NLP and LLM solutions for financial markets professionals.

Role type

Principal Applied Data Scientist (hands-on IC)

Builds

Production-ready AI systems embedded in LSEG Workspace platform

Domain

Financial markets infrastructure and data

Deliverable

production ML models

Required skills

NLP, LLMs, Python (OOP), PyTorch, TensorFlow, Scikit-Learn, probability/statistical modeling, cloud platforms (Azure/AWS)

Preferred skills

DevOps (CI/CD, version control, automated testing, monitoring), TypeScript

Technologies

PyTorch, TensorFlow, Scikit-Learn, Azure, AWS, TypeScript

Responsibilities

Lead end-to-end development of AI solutions (design, build, test, deploy), Apply NLP/LLM techniques to solve real-world problems, Continuously improve model quality through tuning and evaluation, Evaluate third-party AI solutions for production integration, Write and maintain production-grade Python code, Collaborate with engineering and business partners on roadmaps

Seniority

Principal, hands-on IC

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