Janestreet Jobs

38 open positions at Janestreet

Browse all 38 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
  • 100% don't require German
  • 1 new in the last 7 days

Working at Janestreet

Most-requested tech

Remote policy

42%

On-site 42%

0 of 38 live ads state a salary.

1 roles posted in the last 30 days, 6 in the last 90.

Languages required

  • English 38
Janestreet 1 day ago

Machine Learning Compiler Engineer

London, United Kingdom - English (Fluent)

Machine Learning
Janestreet 1 month ago
On-site

Cybersecurity Engineer: Security Operations Center (SOC)

London, United Kingdom - English (Fluent)

Janestreet 2 months ago
On-site

Windows Engineer

London, United Kingdom - English (fluent)

C# F#
Janestreet 2 months ago

Machine Learning Researcher

London, United Kingdom - English (fluent)

Python Machine Learning
Janestreet 2 months ago
On-site

Unified Communications Engineer

London, United Kingdom - English (Fluent)

Cisco Unified Communications Manager Cisco Meeting Server Cisco Expressway SIP Python +4
Janestreet 2 months ago

Software Engineer

London, United Kingdom - English (Fluent)

Janestreet 3 months ago Open for 93+ days
On-site

Linux Engineer

London, United Kingdom - English (fluent)

Linux
Janestreet 3 months ago Open for 93+ days

Hardware Engineer (FPGA/ASIC)

London, United Kingdom - English (Fluent)

OCaml Hardcaml Verilog C VHDL +6
Janestreet 3 months ago Open for 93+ days

Linux Engineer

London, United Kingdom - English (fluent)

Linux Nix RPM
Janestreet 3 months ago Open for 93+ days Reposted 8 time(s)
On-site

Quantitative Researcher

London, United Kingdom - English (Fluent)

Python
Janestreet 3 months ago Open for 93+ days Reposted 8 time(s)
On-site

Quantitative Researcher

London, United Kingdom - English (Fluent)

Python
Janestreet 3 months ago Open for 93+ days

Hardware Engineer (FPGA/ASIC)

London, United Kingdom - English (Fluent)

VHDL Verilog Chisel Pymtl Vivado +3
Janestreet 3 months ago Open for 93+ days

Machine Learning Engineer

London, United Kingdom - English (fluent)

Machine Learning H100 H200 B200
Janestreet 3 months ago Open for 93+ days

Software Engineer

London, United Kingdom - English (fluent)

OCaml
Janestreet 4 months ago Open for 131+ days

Compiler Engineer

London, United Kingdom - English

LLDB GDB Linux
Janestreet 4 months ago Open for 141+ days

Formal Methods Engineer

London, United Kingdom - English

Janestreet 5 months ago Open for 153+ days Reposted 9 time(s)
On-site

Machine Learning Researcher

London, United Kingdom - English (fluent)

Python Machine Learning
Janestreet 6 months ago Open for 197+ days
On-site

Cybersecurity Engineer

London, United Kingdom - English (Fluent)

Janestreet 7 months ago Open for 217+ days
On-site

ASIC Engineer

London, United Kingdom - English (C1)

RTL ASIC FPGA Synopsys Cadence
Janestreet 7 months ago Open for 231+ days Reposted 30 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 38 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.