J
Janestreet~1mo ago

Language and Runtime Engineer

OtherEngineer
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Quick Summary

Overview

About the Position We’re looking to hire a Software Engineer with experience working on language compilers and runtimes. Our team maintains a framework used at Jane Street for a wide variety of purposes, including financial modeling, risk calculation, and custom alerting.

Requirements Summary

You have a background in compilers, scheduling, dynamic graph systems, parallel runtimes, or another related field You have strong experience in performance analysis and optimization No previous experience with OCaml or functional programming…

Technical Tools
financial-modeling

About the Role

~1 min read

We’re looking to hire a Software Engineer with experience working on language compilers and runtimes. Our team maintains a framework used at Jane Street for a wide variety of purposes, including financial modeling, risk calculation, and custom alerting. Our system evaluates, in real time and in parallel, a large, irregular, and dynamic graph of user-specified computations. We are particularly focused on understanding, quantifying, and improving its performance and scalability. The technical problems we face relate to implementation of programming languages and their runtimes, efficient distribution and scheduling of computation graphs, and effective measurement and communication of resource usage.

  • You have a background in compilers, scheduling, dynamic graph systems, parallel runtimes, or another related field
  • You have strong experience in performance analysis and optimization
  • No previous experience with OCaml or functional programming languages is required

 

If you're a recruiting agency and want to partner with us, please reach out to agency-partnerships@janestreet.com.

Location & Eligibility

Where is the job
New York, United States
On-site at the office
Who can apply
US
Listed under
United States

Listing Details

First seen
March 26, 2026
Last seen
May 8, 2026

Posting Health

Days active
42
Repost count
0
Trust Level
21%
Scored at
May 8, 2026

Signal breakdown

freshnesssource trustcontent trustemployer trust
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J
Language and Runtime Engineer