Software Engineer

🇺🇸New YorkStudentFull-timePosted July 6, 2026

About the Role

As a Software Engineering intern at Jane Street, you'll work on real-world projects in a mentored environment. You'll learn OCaml, our primary development language, along with exposure to our foundational libraries and tools. Some teams also use Python depending on project needs. You'll collaborate with full-time software engineers on diverse projects ranging from high-performance trading systems to programming language design, all intended to reach production.

Requirements

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

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About the Company

Jane Street

New York, United States

Jane Street is a global proprietary trading firm and liquidity provider specializing in quantitative trading across equities, fixed income, derivatives, ETFs, FX, and commodities. Founded in 2000 and headquartered in New York, the firm trades on more than 200 venues across 45 countries, making it one of the world's largest ETF market makers. Jane Street combines deep mathematical research, advanced technology, and systematic trading strategies to navigate complex markets. The firm is a leading user of functional programming languages, particularly OCaml, and invests heavily in machine learning and FPGA-based hardware acceleration. With over 3,000 employees across five global offices, Jane Street operates both a proprietary trading business and a client-facing offering providing institutional liquidity and execution services. Its differentiation lies in rigorous quantitative research, a collaborative culture, and technology-driven edge-case risk management.

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Job Details

Experience: Student
Type: Full-time
Posted: July 6, 2026
Company Size: 1000-5000 employees