Top Tech Jobs & Startup Jobs

Internship working with full-time ML researchers on practical, novel ML projects for systematic trading. Tasks include end-to-end studies on market data, model design, hyperparameter tuning, debugging training, and analyzing model predictions using large-scale compute and GPU clusters.

Summer internship pairing interns with full-time engineers to work on real production projects. Interns primarily use OCaml (and sometimes Python), receive close mentorship, and contribute to a variety of systems from trading infrastructure to language design. Jane Street provides flights and accommodation for the program.

Twelve-week Software Engineering internship (Singapore) working on real production projects under mentor guidance. Interns learn and use OCaml (and sometimes Python), contribute maintainable code across diverse systems, receive training in Hong Kong, and visit the New York office. Full availability for the program dates required; flights and accommodation provided.

The Events Specialist will design, plan, and execute events for employees and college recruits, while collaborating with internal teams and managing event details.

Design and implement code-generation optimizations for the OxCaml compiler. Own the full cycle: identify optimizations, code, test, benchmark, and deploy across IRs (CPS, SSA, Sea of Nodes). Collaborate with cross-functional teams and may manage developers alongside technical work.

10-12 week Strategy and Product internship working on cross-functional strategic projects. Interns break down complex challenges, use data to inform decisions, build frameworks, and drive project execution with mentorship. Candidates should be structured thinkers, strong communicators, detail-oriented, eager to learn, fluent in English, and available to start full-time in 2028. Flights and accommodation to Hong Kong are provided.

Work closely with full-time engineers on Linux infrastructure projects: debugging kernel and firmware issues, performance analysis across stack, collecting and automating diagnostics, building observability and provisioning tools, and performing real-time operational incident response and root-cause analysis.

Partner with New York leadership to provide strategic and operational HR support: employee relations, manager coaching, performance management, people-process design, data analysis, and global HR initiatives. Serve as a trusted resource for employees and help shape talent, career, and leadership development.

As a Linux Engineer, you will maintain and improve the firm's Linux infrastructure, automate processes, and resolve production issues with a focus on stability and performance.

This role involves using OCaml and Python for various software engineering tasks, promoting collaboration within small teams at Jane Street.