Janestreet Jobs

34 open positions at Janestreet

Browse all 34 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 Linux, Python, Machine Learning, OCaml
  • Top locations: London, Hong Kong
  • 100% don't require German
  • 8 new in the last 7 days

Working at Janestreet

Most-requested tech

Remote policy

29%

On-site 29%

0 of 34 live ads state a salary.

8 roles posted in the last 30 days, 12 in the last 90.

Languages required

  • English 34
Janestreet 4 months ago Open for 140+ days Reposted 23 time(s)
On-site

Quantitative Researcher

London, United Kingdom - English (fluent)

Python
Janestreet 4 months ago Open for 140+ days

Software Engineer

London, United Kingdom - English (Fluent)

Janestreet 4 months ago Open for 140+ days
On-site

Machine Learning Researcher

London, United Kingdom - English

Machine Learning Python
Janestreet 4 months ago Open for 140+ days

IT Security Engineer

London, United Kingdom - English (fluent)

Windows PowerShell Python Active Directory Entra ID +9
Janestreet 4 months ago Open for 140+ days Reposted 23 time(s)
On-site

Network Analyst

London, United Kingdom - English

Linux
Janestreet 4 months ago Open for 140+ days
On-site

Linux Engineer

London, United Kingdom - English

Linux C Bash GDB perf +3
Janestreet 4 months ago Open for 140+ days
On-site

Machine Learning Engineer

London, United Kingdom - English

Machine Learning PyTorch
Janestreet 4 months ago Open for 140+ days Reposted 22 time(s)

Tools & Compilers Research and Development

London, United Kingdom - English

Janestreet 4 months ago Open for 140+ days

Linux Engineering Manager

London, United Kingdom - English (Fluent)

Linux Shell scripting
Janestreet 4 months ago Open for 140+ days
On-site

Cybersecurity Analyst

London, United Kingdom - English (fluent)

Janestreet 4 months ago Open for 140+ days

Programming Language Engineer

London, United Kingdom - English

Janestreet 4 months ago Open for 140+ days
On-site

Network Security Engineer

London, United Kingdom - English (Fluency)

OSPF BGP PIM-SM TCP UDP +3
Janestreet 4 months ago Open for 140+ days

Senior Network Engineer

London, United Kingdom - English (fluent)

OSPF BGP PIM-SM TCP UDP +1
Janestreet 4 months ago Open for 140+ days Reposted 23 time(s)

Market Data Specialist, Metadata

London, United Kingdom - English (Fluent)

SQL Linux

Frequently Asked Questions

How many open positions does Janestreet have?
Janestreet currently has 34 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.