Software Engineer

Janestreet·Londonjunior

In short

→Desarrollador de software en OCaml y Python en proyectos reales de trading de alto rendimiento.
→Trabajas de cerca con ingenieros de pleno tiempo en sistemas productivos, con mentores que guían tu aprendizaje.
→Proyecto real en producción con impacto directo, no tareas de prueba o simulación.

Fluent in English

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The questions they'll ask you

1. ¿Cómo abordarías escribir un módulo OCaml que maneje mensajes de alta frecuencia con bajo latencia?

🔒 +7 more questions

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💵 USD · Remote · No visa

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What they ask for

✓Dominio sólido de programación con enfoque en calidad y mantenibilidad.
✓Curiosidad intelectual y disposición para aprender rápidamente.
✓Capacidad de colaborar y pedir ayuda sin miedo a errores.
✓Fluidez en inglés para comunicación y trabajo diario.
✓Experiencia práctica con lenguajes de programación funcionales o similares.
✓Interés en sistemas de alto rendimiento y problemas complejos.

Don't tick every box? That's normal — your free dossier shows your gaps and how to cover them in the interview.

OCamlPythonProgramming Language DesignHigh-Performance Trading SysteInternal LibrariesProduction SystemsMentorshipReal-World ProjectsSoftware MaintainabilityCollaborative Development

Who should you write to at Janestreet?

Your free dossier identifies the people who'd interview you — their background, what they value, and how to reach out so you stand out before applying.

About the Position Our goal is to give you a real sense of what it s like to work at Jane Street full time while also providing a truly unparalleled educational experience. As an intern, you are paired with full-time employees who act as mentors, collaborating with you on real-world projects we actually need done. As a Software Engineering intern, you ll learn how we use OCaml (our primary development language) in our day-to-day work, and gain exposure to the libraries and tools that are foundational to our internal systems. Some teams also use Python, so depending on the project, you might do some work with Python as well. During the internship, you ll be closely mentored by full-time software engineers. Mentors design intern projects based on their team s current needs and are heavily invested in helping interns build maintainable, high-quality software that is intended to reach production. The projects you will work on are as varied and diverse as those full-timers work on, covering a wide range of problems, from high-performance trading systems to programming language design and everything in between. If you’d like to learn more, you can read about our interview and team placement processes and get a sense of what our most recent intern projects looked like! You can also learn more about Jane Street’s internship program here . About You If you ve never thought about a career in finance, you re in good company. Many of us were in the same position before working here. If you have a curious mind, a collaborative spirit, and a passion for solving interesting problems, we have a feeling you ll fit right in. We re more interested in how you think and learn than what you currently know. You should be: • 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 • Fluent in English Find more English Speaking Jobs in United Kingdom on Arbeitnow

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