Janestreet Jobs

37 open positions at Janestreet

Browse all 37 open positions at Janestreet. Every listing includes structured data: tech stack, language requirements, remote policy, and salary.

By the numbers

  • Mostly Junior roles
  • Often paired with Python, Linux, Machine Learning, OCaml
  • Top locations: London, Hong Kong
  • 100% don't require German

Working at Janestreet

Most-requested tech

Remote policy

27%

On-site 27%

0 of 37 live ads state a salary.

1 roles posted in the last 30 days, 16 in the last 90.

Languages required

  • English 37
Janestreet 6 months ago Open for 186+ days Reposted 26 time(s)

OxCaml Educator

London, United Kingdom - English

OCaml
Janestreet 6 months ago Open for 186+ days

IT Security Engineer

London, United Kingdom - English (fluent)

Windows PowerShell Python Active Directory Entra ID +9
Janestreet 6 months ago Open for 186+ days Reposted 26 time(s)
On-site

Network Analyst

London, United Kingdom - English (Fluent)

Linux OSPF BGP PIM-SM TCP/UDP
Janestreet 6 months ago Open for 186+ days
On-site

Linux Engineer

London, United Kingdom - English

Linux C Bash GDB perf +3
Janestreet 6 months ago Open for 186+ days
On-site

Machine Learning Researcher

London, United Kingdom - English

Machine Learning Python
Janestreet 6 months ago Open for 186+ days

Machine Learning Research Engineer

London, United Kingdom - English (fluent)

PyTorch
Janestreet 6 months ago Open for 186+ days

Linux Engineering Manager

London, United Kingdom - English (Fluent)

Linux Shell scripting
Janestreet 6 months ago Open for 186+ days

Network Security Engineer

London, United Kingdom - English (Fluent)

OSPF BGP PIM-SM TCP UDP +1
Janestreet 6 months ago Open for 186+ days

Senior Network Engineer

London, United Kingdom - English (fluent)

OSPF BGP PIM-SM TCP UDP +1
Janestreet 6 months ago Open for 186+ days Reposted 26 time(s)

Market Data Specialist, Metadata

London, United Kingdom - English (fluent)

SQL Linux
Janestreet 6 months ago Open for 186+ days
On-site

Enterprise Mobility Platform Engineer

London, United Kingdom - English (Fluent)

iOS Apple Business Manager
Janestreet 6 months ago Open for 186+ days

Data Engineer

London, United Kingdom - English

SQL
Janestreet 6 months ago Open for 186+ days Reposted 25 time(s)

Tools & Compilers Research and Development

London, United Kingdom - English

Janestreet 6 months ago Open for 186+ days

Machine Learning Performance Engineer

London, United Kingdom - English (fluent)

Machine Learning PTX Sass Triton CUTLASS +12
Janestreet 6 months ago Open for 186+ days

Windows Engineer

London, United Kingdom - English (fluent)

Windows 10 Windows 11 Windows Server PowerShell Python +5
Janestreet 6 months ago Open for 186+ days

Programming Language Engineer

London, United Kingdom - English

Janestreet 6 months ago Open for 186+ days

Software Engineer

London, United Kingdom - English (Fluent)

Frequently Asked Questions

How many open positions does Janestreet have?
Janestreet currently has 37 open tech positions listed on Jobdex. This updates daily as new roles are posted or filled.
What tech stack does Janestreet use?
The tech stack varies by role. Each job listing shows the specific technologies required and nice-to-have.
Does Janestreet offer remote work?
Remote policy varies by position. Each listing includes the exact remote policy. Check individual roles to see if they offer remote, hybrid, or on-site work.