OCaml Experience
Jane Street Group, LLC has openings for Senior Trading Desk Operations Engineers - multiple openings in New York, NY.
The position duties are as follows: Responsible for coordinating with members of the internal infrastructure groups (Operations, Compliance, etc.) as well as external parties regarding issues such as monitoring trading windows, properly booking trades, and resolving breaks to ensure that all trades are reflected accurately in all systems. Day-to-day job duties include:
- Working closely with Traders, using discretion to identify relevant market information, independently monitoring the proper functioning of proprietary trading systems, maintaining complex spreadsheets and databases that are crucial to real time pricing, interpreting and presenting large datasets, developing new workflows in collaboration with trading desk heads for new trading strategies, and identifying and building tools or processes that improve the firm’s ability to trade financial instruments across global markets;
- Leveraging deep knowledge of Excel, VBA, Unix, Bash, OCaml, PostgreSQL, and Python to identify inefficiencies in and create quantitative tools to improve the firm’s technological infrastructure, and liaise with internal tech teams to ensure collaborative progress on larger technological projects;
- Monitoring and actively improving the trading desk’s operational efficiency, supporting the facilitation of many different kinds of trades and orders, owning certain procedural workflows such as making sure transactions are booked correctly and settled, managing communications with internal groups such as Operations, Post-trade, Compliance, Finance and Margin, P&L, Reconciliation, various tech teams and other trading desks, evaluating interactions with external groups such as Prime Brokers, Clearing Firms and trading counterparties with an eye towards identifying and rectifying operational inefficiencies and proposing general improvements to operational methodology; and
- Training Junior TDOS on the trading desk’s operational structure, technological infrastructure and culture, and participating in recruiting.
Part-time telecommuting may be permitted with manager approval.
The position requires a 3 or 4 year Bachelor’s degree in Mathematics, Quantitative Finance, Computer Science or a closely related quantitative field or foreign equivalent plus two (2) years of experience as a Trading Desk Operations Specialist, Trading Desk Operations Engineer, or related position at a quantitative trading firm. Experience must include:
- 2 years of experience applying knowledge of trading desk activities including operational issues and booking and reporting of trades, monitoring trade settlement, locating stock loans, instructing creations and redemptions of ETF units, and reconciling positions between the firm and external parties;
- 2 years of experience working with various technologies including Excel, VBA, UNIX, Bash, PostgreSQL, and OCaml;
- 2 years of experience collecting market information to pass through to Traders, and monitoring technology systems that facilitated trading of financial instruments across global markets.
Ref. STDO25
Jane Street Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Jane Street and has not been reviewed or approved by Jane Street.
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Career-Linked Recognition & Rewards — Pay is considered exceptionally strong across roles, with substantial bonuses in strong years and firm-wide performance sharing. Collaboration is expected and rewarded, reinforcing a team-oriented payout model.
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Healthcare Strength — Benefits include zero-premium medical, dental, and vision coverage in the U.S., plus access to on-site or concierge primary care, physical therapy, and mental health services. This breadth and convenience signal a robust healthcare offering.
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Parental & Family Support — Paid parental leave is described as generous, with equipped nursing rooms and backup childcare cited. Family-oriented supports like fertility coverage and elder‑care backup further enhance the package.
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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.
