🇺🇸 USAJobs.work

America's Job Portal

← Back to USA Jobs

Principal Applied Data Scientist

Company

LSEG

Location

london, england

Posted

June 30, 2026

Position Overview

ROLE SUMMARY

As a Principal Data Scientist (individual contributor), you will play a hands‑on role in designing, building, and deploying scalable AI solutions that go beyond prototypes and are actively used in production. You will work closely with collaborative teams to co‑develop innovative products for financial markets and professionals.

WHAT YOU'LL BE DOING

  • Lead the end‑to‑end development of AI solutions: design, build, test, and deploy models that are robust, scalable, and used by real users.
  • Apply NLP and LLM techniques to solve real‑world problems, ensuring models are optimised for performance and reliability.
  • Continuously improve model quality through tuning, evaluation, and feedback from production usage.
  • Evaluate third‑party AI solutions with a critical eye on performance, scalability, and integration into production environments.
  • Write and maintain production‑grade Python code, adhering to best ...

Ready to Apply?

Join thousands of Americans building their careers

Apply Now