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Data Scientist - Applied AI Research

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Fidelity Investments

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Location:
United States , Westlake

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Category:
IT - Software Development

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Contract Type:
Not provided

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Salary:

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Job Description:

The Data Scientist - Applied AI Research will ideate, design, and develop NLP across our products. You will partner with other teams on technical matters and work closely with our engineers. The ideal candidate will be comfortable reading academic papers and designing experiments to assess utility of any new ideas.

Job Responsibility:

  • Work closely with the Agile team members to bring ML solutions into the product
  • Benchmark and optimize existing ML solutions performance (e.g, model footprint or latency)
  • Deliver reports on a sprint cadence
  • Peer review code and reports written by teammates
  • Bring good ideas during brainstorming sessions

Requirements:

  • 1+ years of Data Science experience, specializing with NLP
  • 1+ years of generative AI experience including LLMs, Agents, MCPs, etc
  • 1+ years of experience working in an Agile environment
  • 1+ years of experience with AWS products in a Linux environment
  • Experience developing and optimizing solutions from transformer-based, fastText-based or ensemble based models
  • Experience with Pytorch
  • Understanding of text representation techniques and classification algorithms
  • Deep understanding of experiment design and documentation
  • Statistical acumen and experience applying statistical concepts to data science experiments
  • Deep knowledge of machine learning algorithms, with the ability to choose the optimal algorithm for a given problem
  • Ability to write robust and testable code, in Python
  • Ability to write/read bash shell scripts, and comfortable on the Linux command line
  • Masters Degree or higher in a quantitative subject: Mathematics, Physics, Computer Science, Computational Linguistics, or similar

Additional Information:

Job Posted:
April 21, 2026

Employment Type:
Fulltime
Work Type:
Hybrid work
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