Senior Software Engineers
OCaml Experience
Jane Street Group, LLC has openings for Senior Software Engineers - multiple openings in New York, NY.
The position duties are as follows: Develop software in OCaml as part of the trading and operational infrastructure for a proprietary trading company. Support traders and other users of the company’s technology infrastructure on both Linux and Windows platforms. Analyze and respond in real-time to problems arising from the firm’s technological infrastructure. Work in all parts of the software lifecycle, including gathering requirements, design, documentation, management of code review, creation of testing plans, as well as implementation and management of deployment and monitoring of the resulting software systems. Train junior developers in all of the above.
The position requires a 3 or 4 year Bachelor’s degree or foreign equivalent in Information Technology, Computer Science, Engineering or a related quantitative field plus minimum of two (2) years of experience in any occupation where an individual gains experience developing software. Experience must include:
- 1 year of professional experience using OCaml programming language;
- Experience managing software release cycles and software QA processes;
- Experience applying knowledge of OCaml language semantics and runtime system;
- Experience using the Mercurial distributed version control system;
- Experience using asynchronous programming, typeful software design, and monadic programming;
- Experience programming on the Linux platform, including working with network programming and scripting tools.
Ref. JSJ1
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What We Do
Jane Street works differently. As a liquidity provider and market maker, we trade on more than 200 trading venues across 45 countries and help form the backbone of global markets. Our approach is rooted in technology and rigorous quantitative analysis, but our success is driven by our people.
Our bright, beautiful offices in the heart of New York, London, Hong Kong, and Amsterdam are open and buzzing with conversation. We come from many backgrounds and encourage travel between offices to share perspectives. Some of our best ideas come from bumping into a visiting colleague at the office coffee bar.
Markets move fast. Staying competitive as we’ve grown has required constant invention—of new trading strategies, technology, and processes. We’ve found this is easier when you hire humble, kind people. They tend to help each other, and prioritize teamwork over titles.
We invest heavily in teaching and training. There’s a library and a classroom in every office, because deepening your understanding of something is considered real work. Guest lectures, classes, and conferences round out the intellectual exchanges that happen every day.
People grow into long careers at Jane Street because there are always new and interesting problems to solve, systems to build, and theories to test. More than twenty years after our founding, it still feels like we’re just getting started.
