Top Tech Jobs & Startup Jobs

As a Quantitative Researcher at Jane Street, you will build models, analyze datasets, create strategies for trading, and write implementation code, primarily in OCaml.

As a Data Specialist, you will analyze, onboard, validate, and improve large data sets for trading while collaborating with engineers and traders.

This role requires managing financing transactions, developing relationships with brokers, optimizing financing strategies, and conducting cost-benefit analysis on financing opportunities.

The Learning and Development Specialist will design and facilitate engaging learning experiences, manage projects, and improve content based on feedback. Requires collaboration with HR and subject-matter experts.

Work alongside full-time ML researchers on end-to-end projects applying state-of-the-art models to large, nonstationary market datasets. Tasks include data exploration, model development, hyperparameter tuning, debugging training, and analyzing model predictions using large-scale compute and GPU resources. Internship-focused, with heavy emphasis on practical ML implementation and iteration.

Design and build internal systems and tools across the firm, from trading desks to accounting. Implement foundational infrastructure (monitoring, risk models), work with OCaml and Python, contribute to and leverage open source, and solve critical, production-facing engineering problems.

Build a Formal Methods team to develop practical tools that apply proof assistants, theorem provers, static analysis, and related techniques to validate agent-generated code and integrate those tools across the firm.

The Commercial Contracts Attorney will review and negotiate contracts, support procurement processes, and advise teams on legal matters related to commercial contracts.

The IT Operations Engineer will support, configure and maintain systems across various platforms, respond to support requests, and optimize operations using automation tools.

The Cybersecurity Engineer will protect company infrastructure, lead cybersecurity awareness efforts, handle incident responses, and collaborate on security practices.