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.
Quant · Quantitative trading firm
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.
Currently tracking 23 active AI roles, up 120% versus the prior 4 weeks. Primary focus: Serve · Research.
| Title | Stage | AI score |
|---|---|---|
| Machine Learning Performance Engineer Machine Learning Performance Engineer role focused on optimizing the performance of ML models for both training and inference. Requires deep low-level systems programming and GPU knowledge, debugging skills, and experience with ML libraries and distributed training. | ServeData | 9 |
| 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. | Serve |
| 8 |
| 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 Machine Learning Engineer at Jane Street to drive the direction of their ML platform, focusing on building and maintaining training and inference infrastructure, enhancing research workflows, and applying ML to financial trading. Requires strong mathematical foundations and experience with ML frameworks. | ServeData | 7 |
| 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. | ServeData | 7 |
| 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 |
| Cybersecurity Engineer - Vulnerability Management Jane Street is seeking a Cybersecurity Engineer to mature their vulnerability management program, focusing on automation and scaling. The role involves hands-on building, reasoning about risk, and leveraging AI tooling alongside human judgment. Responsibilities include managing the vulnerability lifecycle, prioritizing findings, driving automation, and building metrics. | — | 5 |
| Formal Methods Engineer Software engineers and researchers to establish a new Formal Methods team focused on agentic programming, aiming to provide feedback for agents and validate agent-generated code. The role involves leveraging existing tools and pursuing novel approaches to make formal methods a practical tool for building software. | Agent | 5 |
| Formal Methods Engineer Seeking software engineers and researchers to establish a new Formal Methods team focused on agentic programming. The role involves leveraging and developing formal methods to provide feedback for agents and validate agent-generated code, integrating research into practical tools for internal and external use. | Agent | 5 |
| Quantitative Trader Quantitative traders at Jane Street identify market signals, analyze strategies, build quantitative and algorithmic trading systems, manage risk, and develop new businesses. They use a wide range of statistical and ML techniques, from linear models to deep learning, on large datasets and computing clusters. | — | 5 |
| Quantitative Trader Quantitative traders at Jane Street identify market signals, analyze strategies, build quantitative and algorithmic trading systems, manage risk, and develop new businesses. They use a wide range of statistical and ML techniques, from linear models to deep learning, on large datasets and computing clusters. | — | 5 |
| Data Center Mechanical Engineer Seeking an experienced Data Center Mechanical Engineer to manage cooling infrastructure for high-density AI workloads, supporting trading operations. This role involves designing, implementing, and monitoring power and cooling systems, bridging theoretical design with practical compute needs, and collaborating with ML researchers and engineers. Requires deep understanding of data center infrastructure from power distribution to chip level, with a focus on GPU/HPC systems. | — | 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. | — | 5 |
| Software Engineer Software Engineer role at Jane Street, a quantitative trading firm. The role involves using technology across various business areas, with a focus on functional programming (OCaml) and increasing use of Python for data analysis, visualization, and machine learning. The company values open-source contributions and offers training in necessary technologies. | Data | 5 |
| 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. 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 |
| Network Analyst This role focuses on network analysis and support, with an emphasis on building automation and DevOps-driven solutions. The analyst will enhance existing workflows, streamline processes, and ensure network stability, security, and adaptability. Key responsibilities include diagnosing and resolving network issues, supporting site expansions, maintaining monitoring systems, and using scripting/development tools for automation and AI integration. | — | 1 |
| 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 |
| 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 supporting distributed systems and high-speed trading. | — | 1 |
| Compiler Engineer Software engineer to work on code generation in the OxCaml compiler, focusing on optimizations, testing, benchmarking, and deployment. Experience with debuggers and low-level Linux tools is desired. Knowledge of x86-64 and AArch64 architectures is a plus. Experience with LLVM is useful. Management experience is also of interest. | — | 0 |
| IT Logistics and Warehouse Specialist This role is for an experienced logistics and supply chain professional to manage equipment inventory, delivery, installation, and deployment for offices, data centers, and co-locations, and to track assets throughout their lifecycle. Responsibilities include developing logistics plans, managing call-offs, coordinating installations, supporting inventory management, improving processes, troubleshooting issues, managing customs, overseeing warehousing providers, and ensuring real-time inventory data accuracy. The ideal candidate has 5+ years of experience in logistics and project management, preferably in IT or data center environments, with a proven track record in process improvement, vendor management, and warehouse operations. | — | 0 |
| 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 |
| Financial Resource Management Specialist Seeking analysts for the Finance group to manage the firm's capital base for trading. Responsibilities include monitoring capital usage, reconciling models, executing funding trades, operating position management systems, and automating workflows. The role involves quantitative analysis, problem-solving, and decision-making under pressure, with opportunities for growth and long-term improvement. | — | 0 |
| Fixed Asset Accountant Seeking a Fixed Asset Accountant to manage global financial accounting and reporting for fixed assets and leasing arrangements. Responsibilities include capitalization, classification, depreciation, impairment assessments, and collaborating with various teams to streamline processes, improve data quality, and support strategic decision-making. The role involves analyzing large datasets, developing automated solutions, and liaising with external auditors. | — | 0 |
| MacOS Software Engineer Experienced Software Engineer with deep macOS software experience to build and maintain internal macOS applications and services. This role involves hands-on development, guiding the team, establishing CI/CD, improving tooling, and defining best practices. Requires strong expertise in the Apple ecosystem, Swift, and understanding of macOS internals. Collaboration and communication skills are essential. | — | 0 |
| ASIC Physical Design Engineer Jane Street is seeking an ASIC Physical Design Engineer for their Ultra Low Latency team. This role involves designing, testing, and deploying advanced hardware, with a focus on owning the physical design flow end-to-end while also having the ability to read/write RTL and understand front-end/back-end design interactions. The ideal candidate has 8+ years of experience in modern physical design flows and is interested in leveraging software engineering techniques and better tools to improve the hardware design process. | — | 0 |
| Video Editor (1 Month Fixed-Term) Video Editor (1 Month Fixed-Term) to join a creative team, editing a 3-4 minute promo/documentary-style video, working from a paper cut to shape narrative, build musical arc, and construct b-roll sequences. Will also cut interview footage snippets for other formats during revision waiting periods. Proficiency in Premiere Pro or DaVinci Resolve required. | — | 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 Engineer Cybersecurity Engineer role focused on protecting company infrastructure, data, and people. Responsibilities include firm-wide defenses, providing expertise, leading awareness efforts, and handling event analysis and incident response. Requires strong technical foundation, automation skills, threat modeling understanding, and awareness of cybersecurity developments. | — | 0 |
| Cybersecurity Engineer Cybersecurity Engineer to protect company's people, data, and infrastructure. Responsibilities include firm-wide defenses, providing expertise, leading employee awareness efforts, and handling event analysis and incident response. | — | 0 |
| Cybersecurity Engineer Cybersecurity Engineer to protect company's people, data, and infrastructure. Responsibilities include firm-wide defenses, providing expertise, leading employee awareness efforts, and handling event analysis and incident response. | — | 0 |
| ASIC Physical Design Engineer Jane Street is hiring an ASIC Physical Design Engineer to join their Ultra Low Latency team. This role involves designing, testing, and deploying advanced hardware, with an emphasis on owning the physical design flow end-to-end while also having the ability to read/write RTL and understand cross-functional design decisions. The team utilizes Hardcaml, a hardware development toolchain embedded in OCaml, and seeks engineers interested in improving hardware design processes with software engineering techniques. | — | 0 |
| Logistics Coordinator Logistics Coordinator role focused on managing equipment inventory, delivery, installation, and deployment for offices, data centers, and co-locations, with responsibilities including logistics planning, call-off process management, installation coordination, inventory level management, asset transfers, customs broking, and process improvements. Requires 5+ years of experience in logistics and project management, preferably in IT or data center environments, with strong communication and problem-solving skills. | — | 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 |
| Network Engineer Experienced Network Engineer to join the Network Security team, focusing on running, scaling, and improving network security infrastructure. Responsibilities include hands-on operations, design, implementation, managing firewalls and proxies, network segmentation, threat detection, and evaluating new security platforms. | — | 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 |
| Workday Financials Specialist Seeking a Workday Financials Specialist to support system administration, maintenance, and optimization through automation. The role involves collaborating with cross-functional teams, supporting reporting needs, ensuring data accuracy, and monitoring system updates for a global finance and technology infrastructure. | — | 0 |
| AV Engineer, Events Seeking an AV Engineer with an events focus to lead technical execution and user experience for in-house events. Responsibilities include technical direction, AV equipment operation, vendor management, troubleshooting, and developing best practices for global replication. The role also involves supporting conference rooms, deployments, and project work. | — | 0 |
| Data Center Engineer Experienced Senior Data Center Engineer to design, build, scale, and perform daily upkeep in a regional data center. This role involves hands-on work, project management, and collaboration with interdisciplinary teams including Network, Server, Facilities Engineering, Research, and Trading teams. | — | 0 |
| Data Center Construction Project Manager Seeking an experienced Construction Project Manager/Engineer to design, construct, and operate data centers, focusing on planning, overseeing projects, managing schedules and budgets, and coordinating with various internal and external stakeholders. | — | 0 |
| European Dividend Trader Seeking a Dividend Trader in London to trade index and single stock dividend futures, manage dividend exposure, and grow European dividend trading capabilities. Requires 3+ years of dividend trading experience, strong quantitative skills, and Python programming is preferred. | — | 0 |
| Data Center Commissioning Engineer Experienced Data Center Operations Engineer to join a technical group responsible for commissioning and daily operations of global data center infrastructure. Role focuses on ensuring new infrastructure is properly commissioned, transitioned to operations, and maintaining 100% uptime. Involves working with liquid cooling technologies in a high-performance computing environment, bridging the gap between construction and operations. | — | 0 |
| Security Operations Engineer Security Operations Engineer role focused on deploying and implementing security controls, managing vulnerabilities, and responding to security incidents within an IT infrastructure. Requires experience with Windows, macOS, and identity platforms, scripting for automation, and strong troubleshooting skills. | — | 0 |
| Financial Reporting Accountant Qualified Accountant to join Financial Reporting team, responsible for maintaining books and records for European businesses, preparing financial statements, and collaborating with accounting teams globally. Role involves preparing reconciliations, supporting financial statements, working with auditors, and documenting policies. Opportunity to improve and automate processes with the accounting-specific Technology team. | — | 0 |
| Technical Program Manager Seeking a Technical Program Manager to provide organization and coordination for engineering initiatives in a core technology group that builds and optimizes trading technology. The role involves leading projects from definition to delivery, managing timelines, risks, and communication across various teams, including external financial entities. Requires strong technical background, communication skills, strategic thinking, and comfort with ambiguity. | — | 0 |
| Identity Security Engineer Identity Security Engineer with a strong background in engineering hybrid Windows platforms, focusing on securing access to IT platforms, implementing security controls, identifying security gaps, and providing technical leadership for cloud adoption. | — | 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 |