Senior AI Scientist — NLP, LLMs & Knowledge Graphs

Fidelity Investments Inc.

Westlake (TX)

On-site

USD 140,000 - 200,000

Full time

5 days ago

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Job summary

Fidelity Investments Inc. is seeking a Senior Data Scientist specialized in applied AI, NLP, and LLM solutions.

Based full-time in Westlake, TX or Merrimack, NH, you will lead high-profile AI initiatives across Workplace Investing, collaborating with Technology, Product Management, and AI/ML Engineering teams. The role emphasizes building, evaluating, and deploying AI-based solutions, data gathering from diverse sources, and delivering measurable business impact with strong communication and

Qualifications

PhD in Computer Science, Information Science, Statistics, or related STEM with focus on AI/ML/NLP or a Master’s with 3+ years of relevant experience.
Strong ML/statistical modeling foundation; deep experience in NLP, LLMs, DL, knowledge graphs or related methods.
Proficiency in Python and SQL for data extraction, engineering, analysis, modeling, and pipeline automation.

Responsibilities

Lead data science and model development for NLP, LLMs, knowledge graphs, and applied techniques.
Design, build, and deploy AI solutions across document processing, schema mapping, recommendation, and anomaly detection.
Communicate findings to technical and business audiences and move solutions to production.