Description
About the Position
We're looking for Software Engineers with a background in programming languages to join one of our PL-focused teams at Jane Street.
Programming languages work at Jane Street spans a wide variety of different areas:
- Language design and type systems. Designing language features and stronger type-level guarantees that let our developers express more of what they mean, and catch more mistakes at compile time.
- Compilers and optimization. Investing in optimization, code generation, and backend work that translates directly into measurable speedups across the firm's most performance-sensitive systems.
- Incremental and parallel computation. Building runtimes that can evaluate large, irregular, dynamic computation graphs incrementally and/or parallel across many cores and machines, with first-class attention to scheduling, memory, and resource accounting.
- Support for high-performance computing, including work on tooling, verification techniques, and languages for hardware design, as well as support for programming GPUs and other ML accelerators.
- Domain-specific languages. Designing, implementing, and evolving custom languages that power some of our most important internal platforms.
- Tooling and developer experience. Profilers, debuggers, language servers, IDE integrations, documentation tools, and the surrounding infrastructure that makes a language genuinely pleasant to use at scale.
Some of this work involves working on open-source language implementations, like those of OCaml and Python, and for those areas, a meaningful portion of our work is open-source as well. Some of it involves custom languages and DSLs that we’ve built entirely in-house, some open-source, some purely internal.
We’re looking for people who have:
- Deep experience with—and love for—programming languages. There's no specific checklist; we are interested in people with experience in language design, type systems, compilers, runtimes, or DSL implementation
- Top-notch programming skills
- Strong interpersonal skills. Software engineering at Jane Street is highly collaborative, and we are looking for people who can work effectively in small, close-knit teams
No previous experience with OCaml or functional programming is required.
You only need to submit one application for Programming Language Engineering at Jane Street. We’re excited to evaluate folks for areas across all of these roles, but if you feel like your experience relates best to a more specific area, please indicate that in the notes section of your application.
If you're a recruiting agency and want to partner with us, please reach out to agency-partnerships@janestreet.com.
Similar jobs
Est. 120,000 GBP
About the Position We're looking for Software Engineers with a background in programming languages to join one of our PL-focused teams at Jane Street. Programming languages work at Jane Street spans a wide variety of dif…
Est. 120,000 GBP
About the Position We’re looking for Software Engineers who want to help us design and build the systems and tools that run the firm. You’ll find Software Engineers in all parts of Jane Street, solving real problems in c…
Est. 124,000 USD
About the Position We're always hiring software engineers for all of our offices. Technology is at the core of how we approach our work, and engineers are intimately involved in every area of the business. We are big bel…
Est. 124,000 USD
About the Position We’re looking for Software Engineers who want to help us design and build the systems and tools that run the firm. You’ll find Software Engineers in all parts of Jane Street, solving real problems in c…
About the Position We’re looking for Software Engineers who want to help us design and build the systems and tools that run the firm. You’ll find Software Engineers in all parts of Jane Street, solving real problems in c…
Est. 120,000 GBP
About the Position We're always hiring software engineers for all of our offices. Technology is at the core of how we approach our work, and engineers are intimately involved in every area of the business. We are big bel…
About the Position We’re looking for Software Engineers who want to help us design and build the systems and tools that run the firm. You’ll find Software Engineers in all parts of Jane Street, solving real problems in c…
About the Position We're always hiring software engineers for all of our offices. Technology is at the core of how we approach our work, and engineers are intimately involved in every area of the business. We are big bel…
Est. 120,000 GBP
About the Position We are looking for an experienced software engineer to work on code generation in the OxCaml compiler, which is open source. OxCaml is Jane Street’s variant of the OCaml language, equipped with powerfu…
Est. 140,000 USD
About the Position We are looking for an experienced software engineer to work on code generation in the OxCaml compiler, which is open source. OxCaml is Jane Street’s variant of the OCaml language, equipped with powerfu…
Est. 120,000 GBP
About the Position Linux Engineers work with the critical infrastructure underlying the rest of the firm’s technology. Members of this group are hard-working Systems Engineers, Administrators and Programmers, tasked with…
Est. 140,000 USD
About the Position Linux Engineers work with the critical infrastructure underlying the rest of the firm’s technology. Members of this group are hard-working Systems Engineers, Administrators and Programmers, tasked with…
Est. 124,000 USD
About the Position Our goal is to give you a real sense of what it's like to work at Jane Street full time while also providing a truly unparalleled educational experience. As an intern, you are paired with full-time emp…
Est. 60,000 GBP
About the Position Our goal is to give you a real sense of what it's like to work at Jane Street full time while also providing a truly unparalleled educational experience. As an intern, you are paired with full-time emp…
Est. 124,000 USD
About the Position Our goal is to give you a real sense of what it's like to work at Jane Street full time while also providing a truly unparalleled educational experience. As an intern, you are paired with full-time emp…
About the Position Linux Engineers work with the critical infrastructure underlying the rest of the firm’s technology. Members of this group are hard-working Systems Engineers, Administrators and Programmers, tasked with…
Est. 120,000 GBP
About the Position We are seeking a leader for our growing team of Linux Engineers. Members of this group, managers and individual contributors alike, are hard-working Systems Engineers, Administrators, and Programmers,…
Est. 120,000 GBP
About the Position We are hiring Production Engineers in our London office. Jane Street Production Engineers are software developers who spend time both developing software and also providing high-quality support for sof…
Est. 175,000 USD
About the Position We are seeking a leader for our growing team of Linux Engineers. Members of this group, managers and individual contributors alike, are hard-working Systems Engineers, Administrators, and Programmers,…
About the Position Our goal is to give you a real sense of what it's like to work at Jane Street full time while also providing a truly unparalleled educational experience. As an intern, you are paired with full-time emp…
Est. 120,000 GBP
About the Position We're looking for software engineers and researchers to establish a new Formal Methods team at Jane Street. With the emergence of agentic programming, we think formal methods will play a major role in…
Est. 140,000 USD
About the position We are hiring Production Engineers in our New York office. Jane Street Production Engineers are software developers who spend time both developing software and also providing high-quality support for s…
About the Position Our goal is to give you a real sense of what it's like to work at Jane Street full time while also providing a truly unparalleled educational experience. As an intern, you are paired with full-time emp…
Est. 165,000 USD
Jane Street Group, LLC has multiple openings for the position of Senior Software Engineer in New York, NY. The position duties are as follows: Develop software in OCaml as part of the trading and operational infrastructu…
About the Position We are hiring Production Engineers in our Hong Kong office. Jane Street Production Engineers are software developers who spend time both developing software and also providing high-quality support for…
Est. 140,000 USD
About the Position We're looking for software engineers and researchers to establish a new Formal Methods team at Jane Street. With the emergence of agentic programming, we think formal methods will play a major role in…
About the Position We are hiring Production Engineers in our Hong Kong and Singapore office. Jane Street Production Engineers are software developers who spend time both developing software and also providing high-qualit…
About the Position Our goal is to give you a real sense of what it's like to work at Jane Street full time while also providing a truly unparalleled educational experience. As an intern, you are paired with full-time emp…
Est. 80,000 USD
About the Position We are excited to announce research internships in our Tools and Compilers group. We're looking for PhD and masters students with outstanding research experience in programming languages, compilers, ve…
Est. 140,000 USD
About the Position We are looking to hire engineers with experience in both software and hardware design to help us build our FPGA or ASIC-based applications. We're big believers in the ability of tools to make programmi…