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As a Sales and Trading intern, you will work closely with Sales people and Sales-Traders to engage institutional clients, learn about trading needs across various asset classes, and attend internal classes to understand the fundamentals of finance and trading.

As a Sales and Trading intern, you will work closely with experienced Sales professionals, engaging with institutional clients on their trading needs and learning the fundamentals of finance and trading. The internship offers a fast-paced, immersive experience with mentorship, educational resources, and real-world project involvement.

The Software Engineer will design and build systems and tools for Jane Street, working on various tasks from trading to infrastructure. Focus on functional programming with OCaml and Python for data analysis and machine learning is emphasized, but candidates are valued for problem-solving skills rather than specific language experience.

As a Trading Desk Operations Engineer, you will manage trading tools, optimize processes, and develop new tools while working closely with various teams to support the trading desk's operations. You will learn about trading cycles, regulatory considerations, and engage in programming tasks as you progress.

Responsible for payroll processing and compliance for the Americas, collaborating with global Payroll and HR teams to improve processes, managing audits, and providing customer service on payroll queries. The role requires handling sensitive information and project management across departments.

The Cybersecurity Analyst position involves protecting the firm from internet threats, developing monitoring tools, managing incident responses, and educating colleagues on best cybersecurity practices.

Linux Engineers at Jane Street maintain and enhance the platform powering production trading systems. Responsibilities include debugging kernel performance, managing deployment automation, resolving real-time production issues, and collaborating across departments to introduce long-term solutions and fixes.