Logo of Huzzle

Tools & Compilers Researcher Internship, Flexible - New York

  • Internship
    Off-cycle Internship
  • Research & Development
  • $250K
  • New York City

AI generated summary

  • PhD or master's students with exceptional research experience in programming languages, compilers, and verification needed for a Tools & Compilers Researcher Internship in New York. Fluency in English required.
  • The Tools & Compilers Researcher intern at Jane Street will work on open-source projects, collaborate with mentors on a specific research project, gain exposure to OCaml and foundational internal systems, and have access to educational resources and networking opportunities.


  • We’re looking for PhD and masters students with outstanding research experience in programming languages, compilers, verification, and related areas. We don’t expect you to have a background in finance, OCaml, or functional programming. Fluency in English required. Please include the list of your peer-reviewed publications in your resume.


  • Over the years, we extended the type system with support for novel language features, re-engineered the optimizer ground-up, and added feedback-directed optimization. We also extend and enhance the surrounding toolchain, working on tools for profiling, debugging, documenting, and building automation. The vast majority of our work is open-source, and we upstream as much as we can to the mainstream OCaml compiler.
  • During the application process, we will work with you to identify a project that aligns with your research expertise and interests. Examples of areas we are interested in exploring include:
  • Verifying C bindings with respect to OCaml’s garbage collector
  • Superoptimization
  • Type systems that track locality and uniqueness
  • During the internship, you will work in collaboration with your mentors on one project for about 10-12 weeks. You’ll learn how we use OCaml in our day-to-day work, and gain exposure to the libraries and tools that are foundational to our internal systems. You’ll gain a better understanding of the wide range of problems we solve every day. You’ll try out new ideas and apply state-of-the art research to a large actively-developed production codebase.
  • You’ll also be able to access our physical and virtual educational resources, attend guest speakers and social events, and hopefully get a real sense of what it would be like to work here full time.

Founded Year

Mission & Purpose

Jane Street works differently. As a liquidity provider and market maker, we trade on more than 200 trading venues across 45 countries and help form the backbone of global markets. Our approach is rooted in technology and rigorous quantitative analysis, but our success is driven by our people. Our bright, beautiful offices in the heart of New York, London, Hong Kong, and Amsterdam are open and buzzing with conversation. We come from many backgrounds and encourage travel between offices to share perspectives. Some of our best ideas come from bumping into a visiting colleague at the office coffee bar. Markets move fast. Staying competitive as we’ve grown has required constant invention—of new trading strategies, technology, and processes. We’ve found this is easier when you hire humble, kind people. They tend to help each other, and prioritize teamwork over titles. We invest heavily in teaching and training. There’s a library and a classroom in every office, because deepening your understanding of something is considered real work. Guest lectures, classes, and conferences round out the intellectual exchanges that happen every day. People grow into long careers at Jane Street because there are always new and interesting problems to solve, systems to build, and theories to test. More than twenty years after our founding, it still feels like we’re just getting started.