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Software Engineer

Jane Street· Technology
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Hybrid (Singapore)Posted 1mo ago

About the role

Software Engineers at Jane Street design and build systems and tools across the firm, from trading desks to accounting, including foundational infrastructure. The role emphasizes functional programming with OCaml as a primary language, supplemented by Python for data analysis, visualization, and machine learning. The company values open source contributions and a flexible language background, welcoming engineers from diverse programming histories.

Responsibilities

  • Solve real problems in critical areas spanning trading desks to accounting, and build foundational infrastructure (e.g., network monitoring and risk models).
  • Design and implement systems and tools that run the firm.
  • Engage with open source projects and contribute to internal/external tooling.

Qualifications

  • Top-notch programmer with a love for technology
  • Intellectually curious, collaborative, and eager to learn
  • Humble and unafraid to ask questions and admit mistakes
  • Fluency in English required

Skills

Required:Programming
Last updated Oct 25, 2026. Interested? Apply on the company site.

About Jane Street

SIX

Jane Street is a quantitative trading firm and liquidity provider with a unique focus on technology and collaborative problem solving.

Machine learningquantitative tradingtechnologyresearch-drivenglobal marketsinternshipseventsprograms
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