Top Tech Jobs & Startup Jobs in NYC, NY

Hands-on ML internship working on real production ML projects with mentor guidance. Build and optimize ML models and workflows using a large GPU cluster for noisy financial data; collaborate with engineers and attend ML-specific training and technical interviews.

The Cybersecurity Engineer is responsible for protecting data and infrastructure, implementing firm-wide defenses, leading awareness efforts, and handling incident responses.

Work as a mentored software engineering intern building production-quality systems. Learn and use OCaml (primary) and sometimes Python, work on projects ranging from trading systems to language design, and deliver maintainable, high-quality code.

10-12 week internship where interns work with mentors on strategic, cross-functional projects. Responsibilities include structured problem solving, data-driven analysis, building frameworks, communicating findings, and driving initiatives across the firm. Gain exposure to product, operations, tooling, and market dynamics while learning through classes, discussions, and hands-on project work.

The Recruiter will manage the recruitment lifecycle for non-technical hires, improve sourcing methods, and enhance candidate interaction at Jane Street.

Join the Operations team at Jane Street, focusing on trade settlements and cash management, utilizing large data sets, and collaborating with internal and external teams.

The role involves sourcing and procurement support, managing RFPs, negotiating contracts, overseeing purchase orders, and building supplier relationships.

Internship supporting trading desk operations: manage and optimize infrastructure and processes, support trading systems via data queries, coordinate stakeholders, and design/implement desk-focused solutions while learning trading lifecycle and regulatory/operational workflows.

As a Finance Operations Analyst, you'll optimize positions, manage FX balances, improve processes, and handle various funding tasks in a dynamic team environment.

Jane Street is looking for software engineers who are proficient in functional programming with OCaml and Python. Collaboration and a passion for technology are essential, as engineers are involved in varied business areas.