Software Engineer — Core Systems & Open Source Innovation

TU Berlin; Greater London; On-site; GBP 65,000 - 90,000; Full time

Job summary

Jane Street is seeking Software Engineers to design and build the systems and tools that run the firm. You’ll work across trading desks and accounting, building foundational infrastructure and tooling.

The team emphasizes functional programming (OCaml) and uses Python for data analysis, visualization, and machine learning. We actively contribute to open source and support Mercurial, the OCaml compiler, and OPAM, welcoming engineers from any language.

Qualifications

• A top-notch programmer with a love for technology.
• Intellectually curious, collaborative, and eager to learn.
• Humble and unafraid to ask questions and admit mistakes.

Responsibilities

• Design and build the systems and tools that run the firm.
• Contribute to infrastructure and core software used across desks and accounting.
• Collaborate with teams to solve real problems in critical areas.

Skills

Top programmer

Curiosity

Collaboration

Eager to learn

Humility

Job description

Jane Street is seeking Software Engineers to design and build the systems and tools that run the firm. You’ll work across trading desks and accounting, building foundational infrastructure and tooling.

The team emphasizes functional programming (OCaml) and uses Python for data analysis, visualization, and machine learning. We actively contribute to open source and support Mercurial, the OCaml compiler, and OPAM, welcoming engineers from any language.