← All roles

Machine Learning Research Engineer

Jane Street· Trading, Research, and Machine Learning
Apply on company site
Hybrid (Hong Kong)Not specifiedPosted 3mo ago

About the role

We are looking for a Research Engineer with robust experience in machine learning and strong mathematical foundations to join our growing ML team and to help drive the direction of our ML platform.

Responsibilities

  • Experience building and maintaining training and inference infrastructure, with an understanding of what it takes to move from concept to production
  • A strong mathematical background; Good candidates will be excited about things like optimisation theory, regularisation techniques, linear algebra and the like
  • A passion for keeping up with the state of the art, whether that means diving into academic papers, experimenting with the latest hardware or reading the source of a new machine learning package
  • A proven ability to create and maintain an organised research codebase that produces robust, reproducible results while maintaining ease of use
  • Expertise wrangling an ML framework – we're fans of PyTorch, but we'd also love to learn what you know about Jax, TensorFlow or others
  • An inventive approach and the willingness to ask hard questions about whether we're taking the right approaches and using the right tools
  • Fluent in English

Qualifications

  • Experience building and maintaining training and inference infrastructure, with an understanding of what it takes to move from concept to production
  • A strong mathematical background; Good candidates will be excited about things like optimisation theory, regularisation techniques, linear algebra and the like
  • A passion for keeping up with the state of the art, whether that means diving into academic papers, experimenting with the latest hardware or reading the source of a new machine learning package
  • A proven ability to create and maintain an organised research codebase that produces robust, reproducible results while maintaining ease of use
  • Expertise wrangling an ML framework – we're fans of PyTorch, but we'd also love to learn what you know about Jax, TensorFlow or others
  • An inventive approach and the willingness to ask hard questions about whether we're taking the right approaches and using the right tools
  • Fluent in English

Skills

Required:Training and inference infrastructureMathematical foundations (optimization theory, regularisation techniques, linear algebra)State-of-the-art ML knowledgeResearch codebase qualityML framework proficiencyCommunication & English fluency

Benefits

  • Jane Street is an Equal Opportunity Employer
Last updated Oct 25, 2026. Interested? Apply on the company site.

About Jane Street

SIX

Jane Street is a quantitative trading firm and liquidity provider with a unique focus on technology and collaborative problem solving.

Machine learningquantitative tradingtechnologyresearch-drivenglobal marketsinternshipseventsprograms

More open roles at Jane Street