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Software Engineer

Janestreet
United States
Posted Apr 15, 2026

Summary:

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 believers in functional programming and use OCaml, a statically typed functional pr

Network Security Engineer

Janestreet
United Kingdom
Posted Apr 15, 2026

Summary:

About the Position We are looking for an experienced Network Engineer to join our Network Security team to help us to run, scale and continuously improve our network security infrastructure through hands-on operations, design, and implementation. The ideal candidate would have strong networking fund

Logistics Coordinator

Janestreet
United Kingdom
Posted Apr 15, 2026

Summary:

About the Position We’re looking for an experienced logistics and supply chain professional to help manage equipment inventory, delivery, installation and deployment for our offices, data centres and co-locations, and to track assets throughout their lifecycle. This role is based in London but cover

Commodities Trader

Janestreet
United States
Posted Apr 14, 2026

Summary:

About the Position We are looking for a commodity trader based in New York to work closely with our local and global commodities teams and help manage our commodity delta one and options book with an emphasis on larger, longer tenor trades. In this role you'll have responsibility for running our sys

Quantitative Trader

Janestreet
United Kingdom
Posted Apr 13, 2026

Summary:

About the Position Our trading is based on our own proprietary models and on busy days we engage in over a million trades. Traders work in teams to seek out and trade on pricing inefficiencies, develop models, manage risk, investigate new products, and push into new business areas. Experienced Trade

Software Engineer

Janestreet
United Kingdom
Posted Apr 13, 2026

Summary:

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 believers in functional programming and use OCaml, a statically typed functional pr

Programming Language Engineer

Janestreet
United States
Posted Apr 13, 2026

Summary:

About the Position We're looking to hire an experienced Software Engineer with a background working on programming languages to join us. Jane Street's OCaml Language team focuses on improving OCaml as a foundation for our ever-growing technology stack, in collaboration with the greater OCaml communi

Linux Engineer

Janestreet
United States
Posted Apr 13, 2026

Summary:

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 maintaining and improving the platform that powers Jane Street's production tra

Windows Engineer

Janestreet
United States
Posted Apr 13, 2026

Summary:

About the Position We are looking to hire a talented engineer to help run our internal Windows infrastructure. We are open to applicants with strong experience in areas such as infrastructure, applications, automation, and server or desktop operating systems in Windows environments. Windows is our p

Machine Learning Researcher

Janestreet
United States
Posted Apr 13, 2026

Summary:

About the position We’re looking for smart and curious individuals to join our growing team and drive our ML work. On our Machine Learning team, you'll build the deep learning models that power our trading strategies, supported by our rapidly growing computing cluster with tens of thousands of high-

FPGA Engineer

Janestreet
United States
Posted Apr 13, 2026

Summary:

About the Position We are looking to hire an experienced FPGA Engineer to help us design, test, and deploy advanced hardware designs. As part of our Ultra Low Latency team, you’ll have the opportunity to collaborate with people in areas across the firm, including trading, networking, and research in

Senior Network Engineer

Janestreet
United States
Posted Apr 13, 2026

Summary:

About the Position We are looking for a Senior Network Engineer who can help us scale our networks to meet increasing business demands, drive standardization through automation, and look for opportunities to leverage AI to improve operations. Jane Street’s numerous distributed systems run on a multi

Windows Engineer

Janestreet
United Kingdom
Posted Apr 13, 2026

Summary:

About the Position We are looking to hire a talented engineer to help run our internal Windows infrastructure. We are open to applicants with strong experience in areas such as infrastructure, applications, automation, and server or desktop operating systems in Windows environments. Windows is our p

Software Engineer

Janestreet
China
Posted Apr 13, 2026

Summary:

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 believers in functional programming and use OCaml, a statically typed functional pr

Infrastructure Automation Specialist

Janestreet
China
Posted Apr 13, 2026

Summary:

About the Position As an Infrastructure Automation Specialist, you will be interfacing with various Infrastructure groups locally and globally to help manage the processes and tools used within and between such groups, as well as those used to interact with external parties. You will become familiar

Quantitative Trader

Janestreet
United States
Posted Apr 13, 2026

Summary:

About the Position Our trading is based on our own proprietary models and on busy days we engage in over a million trades. Traders work in teams to seek out and trade on pricing inefficiencies, develop models, manage risk, investigate new products, and push into new business areas. Experienced trade

Quantitative Researcher

Janestreet
United Kingdom
Posted Apr 13, 2026

Summary:

About the Position We are looking for Quantitative Researchers to help us build models, strategies and systems that price and trade financial instruments. You'll apply your experience in experiment design, dataset generation, time series analysis, feature engineering and model building to financial

Quantitative Trader

Janestreet
China
Posted Apr 13, 2026

Summary:

About the Position Our trading is based on our own proprietary models and on busy days we engage in over a million trades. Traders work in teams to seek out and trade on pricing inefficiencies, develop models, manage risk, investigate new products, and push into new business areas. Experienced Trade

Technical Program Manager

Janestreet
United States
Posted Apr 13, 2026

Summary:

About the Position We are looking for a highly-driven Technical Program Manager who can provide organization and coordination support for our engineering initiatives. Technology is core to our business, and this role is an opportunity to work alongside our engineers as we build and optimize Jane Str

Data Center Engineer

Janestreet
United States
Posted Apr 13, 2026

Summary:

About the Position We are looking for an experienced Senior Data Center Engineer who can help our team keep Jane Street’s data safe and accessible around the clock, which will involve a mix of hands-on work in our data and colocation centers, process thinking, and project management. Your work will

Senior Network Engineer

Janestreet
United Kingdom
Posted Apr 13, 2026

Summary:

About the Position We are looking for a Senior Network Engineer who can help us scale our networks to meet increasing business demands, drive standardisation through automation and look for opportunities to leverage AI to improve operations. Jane Street’s numerous distributed systems run on a multi-

Production Engineer

Janestreet
United States
Posted Apr 13, 2026

Summary:

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 software systems that are critical to Jane Street's trading business. Many of our