Jane Street
Quant · Quantitative trading firm
Quant · Quantitative trading firm
Jane Street has 31 active AI-related job listings. The majority of these roles are focused on data (29%) and pre-training (26%), with a significant number also in serving infrastructure (23%). Research roles represent the largest functional area, with hiring concentrated in Hong Kong and the United States. Frequent tech tags include fine-tuning, model serving, and pretraining.
Currently tracking 29 active AI roles, with 38 new openings in the last 4 weeks. Primary focus: Pretrain · Research.
Jane Street currently has 18 active AI-related roles in our index. The most common open titles are: Machine Learning Researcher (5), Quantitative Researcher (4), Machine Learning Engineer (3), Machine Learning Performance Engineer (3), Machine Learning Educator. Most positions are in Research and Engineering.
Jane Street's active AI hiring is concentrated in: serving infrastructure (39%), pre-training (28%), data (28%). These categories follow a seven-stage AI lifecycle: data, pre-training, post-training, serving infrastructure, agents, evaluation, and application.
Jane Street is hiring AI talent in: Hong Kong (8 roles), United States (5 roles), United Kingdom (4 roles), Singapore (1 role).
Job postings at Jane Street most frequently mention: Machine Learning, Statistics, GPU Computing, Real-Time Systems, Distributed Training.
In the past 30 days, Jane Street has posted 0 new AI-related roles.
| Title | Stage | AI score |
|---|---|---|
| Machine Learning Performance Engineer Seeking an engineer with low-level systems programming and optimization experience to join the ML team, focusing on optimizing the performance of ML models for both training and inference in a real-time trading environment. This role requires a deep understanding of GPU architecture, networking, and distributed systems to ensure efficient large-scale training and low-latency, high-throughput inference. | ServeData | 8 |
| Machine Learning Engineer Jane Street is seeking a Machine Learning Engineer with a strong mathematical background to join their ML team and drive the direction of their ML platform. The role involves applying various ML techniques to aid decision-making in their trading environment, enhancing research workflows, and building/maintaining training and inference infrastructure to move concepts to production. |
| Serve |
| 7 |
| Senior Network Engineer Senior Network Engineer to scale networks, drive standardization through automation, and explore AI/ML for operational improvements. Responsibilities include data center initiatives, WAN optimization, stakeholder interfacing, leading support and improvements, and documenting solutions. The role involves a passion for innovation, building scalable systems, and curiosity about AI in network operations. | — | 5 |
| Software Engineer / Writer Software Engineer / Writer role focused on creating and improving documentation, building tools that support documentation, developing training materials, and writing longer-form content like tutorials and blog posts. Requires strong writing skills and sufficient programming ability to navigate codebases and understand technical concepts. Experience with functional programming, OCaml, or finance is not required. | — | 0 |
| Data Engineer Data Engineer to turn messy, real-world datasets into reliable inputs for research and trading. Build pipelines that ingest and transform external data, working closely with trading desks to identify data needs and evaluate datasets. Requires strong programming, SQL/DataFrame proficiency, and data investigation skills. | — | 0 |
| Low-Latency Engineer Software Engineer with experience in high-performance, low latency systems to work on fast-trading systems. Experience with low level systems programming and optimization is critical. Knowledge of OCaml is not required but can be taught. | — | 0 |
| Front End Software Engineer Software engineer passionate about front-end development, user-interface design, and typed functional programming to build next-generation browser-based tools for trading infrastructure. Focus on high UX, flexibility, and power for expert users, with opportunities to create libraries, abstractions, and improve development practices. Requires strong web technologies background, practical experience with sophisticated UIs, and interest in typed functional programming. Role involves working across the stack and closely with traders. | — | 0 |
| Data Specialist Data Specialist role focused on understanding, improving, and maintaining data for trading operations. Responsibilities include analyzing, onboarding, validating, and producing large datasets, collaborating with engineers and traders, and interfacing with exchanges and data vendors to resolve issues. Requires strong data analysis, debugging, programming, and SQL skills. | — | 0 |
| Linux Engineering Manager Seeking a Linux Engineering Manager to lead a team responsible for maintaining and improving the platform powering Jane Street's production trading systems. The role involves both individual technical contributions and people/project management, with a focus on Linux systems, Unix command line, and systems programming. | — | 0 |
| Production Engineer Jane Street is hiring Production Engineers in New York. This role involves a split between OCaml software development project work and a support rotation, where engineers resolve live issues in critical trading systems. Production Engineers interact with various departments, own system architecture and design for monitoring and support, and develop internal tools. The role requires strong programming skills, intellectual curiosity, and excellent communication, particularly during production incidents. The firm emphasizes functional programming and OCaml. | — | 0 |
| Data Center Engineer Seeking an experienced Senior Data Center Engineer to design, build, scale, and maintain data center infrastructure, ensuring data safety and accessibility. Responsibilities include hands-on work, process optimization, project management, and collaboration with various internal and external teams. | — | 0 |
| Technical Program Manager Seeking a Technical Program Manager to provide organization and coordination for engineering initiatives in a core technology business. The role involves leading projects through their lifecycle, defining goals, managing timelines, tracking milestones, identifying risks, and communicating status. Requires strong communication, strategic thinking, and the ability to manage competing priorities in a fast-paced, flexible environment. Experience with software development project management and planning tools is essential. | — | 0 |
| Windows Engineer Engineer to manage and automate internal Windows infrastructure, including servers and desktops, focusing on performance and reliability. Requires scripting/programming experience (PowerShell, Python, C#) and collaboration within a global IT Engineering team. | — | 0 |
| Software Engineer Software Engineer role at Jane Street, a trading firm that uses technology at the core of its business. The role involves working with OCaml and Python, with Python being used for data analysis, visualization, and machine learning. The company values open-source software and collaborative work. No prior experience in functional programming, OCaml, Python, or finance is expected, as training will be provided. | — | 0 |
| Linux Engineer This role focuses on maintaining and improving the critical Linux infrastructure that powers Jane Street's production trading systems. Responsibilities include debugging kernel performance, developing management tools, resolving production issues, and implementing deployment automation, configuration management, and monitoring. The ideal candidate has deep knowledge of Unix internals and Linux, with practical experience in systems programming and troubleshooting. | — | 0 |
| Programming Language Engineer Jane Street is hiring an experienced Software Engineer to join their OCaml Language team. This role focuses on improving OCaml for their technology stack, collaborating with the OCaml community. Responsibilities include enhancing the type system, optimizing code performance, improving compiler speed and usability, and developing toolchain tools for profiling, debugging, and documentation. Most work is open-source. | — | 0 |