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Data Scientist - Applied AI Research

Data Scientist - Applied AI Research

locationWestlake, TX, USA
PublishedPublished: 2/12/2026
Project Management / Professional Services
Full Time

Job Description:

Note: Fidelity will not provide immigration sponsorship for this position

The Role

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.

  • 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

The Expertise and Skills You Bring

  • 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 with other cloud services can also count towards this.
  • 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.

The Team

The Fidelity Labs Saifr team is missioned with bringing new products and capabilities to market, holding end to end responsibility for full solution development. We will introduce new products to market to be used daily across the globe, across all devices & browsers. The team experience is collaborative, innovative and engaged in a start-up like atmosphere. This role has high visibility and potential in the organization. Our agile teams are based in multiple locations, predominantly in Boston, Dublin, Bangalore and Westlake. Scrum teams work on all aspects of our products and work interactively.

Certifications:

Category:

Data Analytics and Insights

Most roles at Fidelity are Hybrid, requiring associates to work onsite every other week (all business days, M-F) in a Fidelity office. This does not apply to Remote or fully Onsite roles.

Please be advised that Fidelity’s business is governed by the provisions of the Securities Exchange Act of 1934, the Investment Advisers Act of 1940, the Investment Company Act of 1940, ERISA, numerous state laws governing securities, investment and retirement-related financial activities and the rules and regulations of numerous self-regulatory organizations, including FINRA, among others. Those laws and regulations may restrict Fidelity from hiring and/or associating with individuals with certain Criminal Histories.