Jane Street
Quant · Quantitative trading firm
Jane Street currently has 25 active AI-related job listings. The hiring is distributed across several stages, with serving infrastructure and data each comprising 28% of the roles, followed by pre-training at 24% and post-training at 20%. The dominant function is Research, with 18 roles, and hiring is concentrated in Hong Kong, the United States, and the United Kingdom. Frequent tech tags include model_serving, recommender_systems, and inference_infra, suggesting a focus on deploying and optimizing AI models.
Currently tracking 23 active AI roles, up 120% versus the prior 4 weeks. Primary focus: Serve · Research.
Jane Street currently has 27 active AI-related roles in our index. The most common open titles are: Machine Learning Researcher (7), Quantitative Researcher (7), Machine Learning Engineer (3), Machine Learning Performance Engineer (3), Formal Methods Engineer (2). Most positions are in Research and Engineering.
Jane Street's active AI hiring is concentrated in: serving infrastructure (26%), pre-training (26%), data (26%). 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: United States (9 roles), Hong Kong (9 roles), United Kingdom (8 roles), Singapore (1 role).
Job postings at Jane Street most frequently reference: model serving, agent research, fine tuning, recommender systems, frontier research.
In the past 30 days, Jane Street has posted 6 new AI-related roles.
Quant · Quantitative trading firm
| Title | Stage | AI score |
|---|---|---|
| Machine Learning Performance Engineer Machine Learning Performance Engineer at Jane Street, focusing on optimizing the performance of ML models for both training and inference. This role requires deep expertise in low-level systems programming, GPU optimization, and a whole-systems approach to performance, including storage and networking, within a high-frequency trading environment. | ServeData | 8 |
| Machine Learning Engineer Jane Street is seeking a Machine Learning Engineer to join their ML team and drive the direction of their ML platform. The role involves building and maintaining training and inference infrastructure, enhancing research workflows, and applying ML to financial trading. Requires a strong mathematical background and expertise in ML frameworks. | Serve |
| 7 |
| 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 and collaboration. | — | 5 |
| Senior Network Engineer Senior Network Engineer to scale networks, drive standardization through automation, and explore AI/ML for operational improvements in a multi-vendor, highly available network infrastructure handling high-speed trading and internet connectivity. | — | 1 |
| Financing Specialist Jane Street is seeking a Financing Specialist to support and develop their APAC financing capabilities. The role involves optimizing financing capacity, collaborating with trading desks, managing counterparty relationships, and developing the firm's long-term financing strategy. The ideal candidate will have 3-7 years of securities financing experience, a strong understanding of Asian market microstructure, and analytical skills. Programming experience in Python or SQL is a plus. | — | 0 |
| IT Logistics and Warehouse Specialist Logistics and supply chain professional to manage equipment inventory, delivery, installation, and deployment for offices and data centers, tracking assets throughout their lifecycle. | — | 0 |
| Cybersecurity Engineer Cybersecurity Engineer role focused on firm-wide defenses, providing expertise, leading awareness efforts, and handling incident response. Requires strong technical foundation, automation skills, threat modeling understanding, and good personal cybersecurity hygiene. | — | 0 |
| Cybersecurity Analyst Cybersecurity Analyst responsible for developing and using monitoring tools, handling incident response and remediation, and promoting best practices within the firm. | — | 0 |
| Software Engineer Software Engineering intern role at Jane Street, focusing on learning OCaml and Python, and contributing to real-world projects in high-performance trading systems and programming language design. The internship emphasizes mentorship, collaboration, and problem-solving. | — | 0 |
| Linux Engineer Internship role focused on maintaining and improving the critical Linux infrastructure underlying a firm's technology, including production trading systems. Responsibilities include debugging kernel performance, developing management tools, and resolving production issues. | — | 0 |
| IT Operations Engineer IT Operations Engineer internship focused on supporting, configuring, and operating various technology systems including desktop engineering, network, and application platforms. Responsibilities include responding to support requests, building/configuring devices, monitoring systems, and optimizing workflows using tools like PowerShell. | — | 0 |
| Trading Desk Operations Engineer Internship role focused on trading desk operations, infrastructure management, and supporting trading systems. Involves data queries, stakeholder coordination, and designing solutions for trading and operations issues. Aims to provide a comprehensive understanding of the trading product lifecycle and regulatory considerations. | — | 0 |
| FIX Onboarding and Connectivity Engineer Jane Street is seeking a FIX Onboarding and Connectivity Engineer to enhance their trading capabilities and client services. This role involves managing technical processes for accessing new products and exchanges, onboarding clients, and collaborating with trading and technology teams to build advanced connectivity systems. The engineer will prioritize requests, work with various teams, and ensure successful production onboarding. They will also contribute to team process improvements and project delivery strategies, requiring strong communication, coordination, and Unix command-line proficiency, along with coding skills. | — | 0 |
| Software Engineer Software Engineers to design and build systems and tools for a trading firm, covering areas from trading desks to foundational infrastructure. Experience with functional programming (OCaml) and Python for data analysis and ML is mentioned, but talent in any language is valued. | — | 0 |
| Linux Engineer Jane Street is seeking Linux Engineers to maintain and improve the critical infrastructure for their production trading systems. This role involves debugging kernel performance, developing management tools, resolving production issues, and focusing on deployment automation, configuration management, and monitoring. The ideal candidate has deep knowledge of Unix internals and the Linux ecosystem, with experience in systems programming concepts. | — | 0 |
| Trading Desk Operations Engineer Jane Street is seeking a Trading Desk Operations Engineer to manage and optimize desk infrastructure, support trading systems, design solutions for trading and operational issues, and communicate with external parties for trade settlement. The role emphasizes hands-on building of tools for efficient trading operations within a fast-paced financial environment. | — | 0 |
| Windows Engineer Seeking a talented engineer to manage and automate internal Windows infrastructure, including servers and desktops. Responsibilities involve improving, automating, and standardizing the Windows environment using scripting languages like PowerShell, Python, or C#. The role requires collaboration with a global team to resolve issues, plan deployments, and maintain high standards of performance and reliability. | — | 0 |
| IT Operations Engineer IT Operations Engineer to support, configure, and maintain systems including desktop environments, network infrastructure, and application platforms. Responsibilities include responding to tech support requests, building/configuring systems, supporting Windows domain infrastructure, monitoring systems, and optimizing operations using automation tools like PowerShell. Collaborates with technically sophisticated users and specialized teams to maintain infrastructure powering trading operations. | — | 0 |
| Cybersecurity Engineer - Threat Modelling Seeking a Cybersecurity Engineer with an offensive security background to join the Cybersecurity team. The role involves hands-on vulnerability identification and remediation, partnering with teams to integrate security from the ground up, and performing threat modeling. Responsibilities include analyzing security implications, building security solutions, and communicating security principles to system owners. The role requires strong technical skills, problem-solving abilities, and excellent communication. | — | 0 |
| Facilities Operations Engineer Seeking an experienced Facilities Operations Engineer for a technical group managing physical infrastructure, including trading floors and IT equipment, in 24/7 critical environments. Responsibilities include project management, stakeholder relations, and ensuring maintenance SLAs are met. Requires professional training in electrical, mechanical, or building services engineering, or equivalent experience, with a focus on operational risk and engineering decision-making. | — | 0 |
| Unified Communications Engineer Unified Communications Engineer to manage global voice and video infrastructure, including end-user setup, asset management, and collaboration/telephony systems. Responsibilities include improving tooling, monitoring, hardware refreshes, and software/hardware configuration changes. The role involves multitasking, alarm monitoring, project tasks, and serving as an escalation point. Collaboration with IT Operations, Cybersecurity, and Networking teams for capacity planning, standards development, and documentation is key. Requires expertise in Cisco UC and Collaboration Product Suite, SIP, UC compliance products, and API automation with Python/PowerShell. | — | 0 |
| Data Engineer Data Engineer to transform messy real-world datasets into reliable inputs for research and trading, working closely with trading desks to identify data needs, evaluate datasets, and build pipelines for ingestion and transformation. | — | 0 |
| Cybersecurity Detection and Response Analyst Cybersecurity Analyst responsible for developing and using monitoring tools, incident response, remediation, threat hunting, and improving detection capabilities and automation. | — | 0 |
| Trading Desk Operations Engineer This role focuses on building and maintaining desk infrastructure, supporting trading systems, and implementing solutions for trading and operational issues within a fast-paced financial environment. It requires strong technical, organizational, and communication skills, with an emphasis on hands-on problem-solving and collaboration. | — | 0 |
| Data Centre Engineer Data Centre Engineer responsible for designing, building, scaling, and maintaining data centre infrastructure, including hardware, cabling, and network equipment, ensuring security, organization, and operational efficiency. | — | 0 |
| Production Engineer Production Engineers at Jane Street are software developers who split their time between developing software and providing high-quality support for critical trading systems. They work alongside application developers, taking ownership of the architecture and design of systems that monitor and support the firm's trading, and design/develop their own tools. The role requires strong programming skills, intellectual curiosity, and excellent communication, particularly during production incidents. OCaml is the primary development language. | — | 0 |
| Linux Engineer Linux Engineers at Jane Street are responsible for maintaining and improving the critical infrastructure that powers the firm's production trading systems. This involves debugging kernel performance, developing management tools, resolving production issues, and focusing on deployment automation, scalable configuration management, and monitoring. The role requires deep knowledge of Unix internals and the Linux ecosystem, systems programming concepts, and strong troubleshooting skills. | — | 0 |
| Infrastructure Automation Specialist This role focuses on automating infrastructure processes within a financial trading environment, involving coding, process optimization, and tool development. It requires understanding trading cycles and regulatory considerations. | — | 0 |