Senior AI Scientist - NLP & LLM Solutions

Fidelity Investments; Roanoke (TX); On-site; USD 150,000 - 190,000; Full time

Job summary

Fidelity Investments seeks a Senior Data Scientist to lead applied AI initiatives in NLP, LLMs, and knowledge graphs. You will collaborate across Technology, Product, and AI/ML teams to deliver production-ready solutions in a fast-paced environment.

The role emphasizes data science fundamentals, product instincts, and measurable business impact with strong collaboration and communication skills.

Qualifications

• PhD or Master’s with 3+ years relevant experience in AI/ML/NLP.
• Strong Python and SQL programming skills with ML lifecycle experience.
• Experience with NLP, LLMs, and knowledge graphs.

Responsibilities

• Lead data science and model development using NLP/LLMs.
• Develop production-ready AI solutions with engineering teams.
• Design evaluation frameworks and trustworthy data science practices.
• Communicate findings clearly to technical and business audiences.
• Contribute to monitoring and benchmarking of AI solutions.

Skills

Python

SQL

NLP

LLMs

Knowledge graphs

Model evaluation

Data engineering

Communication

Education

PhD in CS/Info Science/Stats

Master’s +3 years experience

Tools

Fiddler

TensorFlow

PyTorch

Spark

Job description

Fidelity Investments seeks a Senior Data Scientist to lead applied AI initiatives in NLP, LLMs, and knowledge graphs. You will collaborate across Technology, Product, and AI/ML teams to deliver production-ready solutions in a fast-paced environment.

The role emphasizes data science fundamentals, product instincts, and measurable business impact with strong collaboration and communication skills.