Jobs at Jane Street

Create print and digital assets across recruiting, events, conferences, puzzles, games, swag, packaging, logos, and brand systems. Translate complex financial, technological, and mathematical concepts into clear, engaging visual designs. Manage multiple projects from brief through production, collaborate with stakeholders, present work, incorporate feedback, and provide constructive design guidance.

Design and implement browser-based trading tools with polished, sophisticated UIs. Build reusable UI libraries and abstractions, collaborate across the stack, and work closely with traders to capture user needs. Emphasizes typed functional programming and high UX standards.

Provide hands-on support for network issues, enhance workflows, focus on automation, and integrate AI in network operations.

Lead and enhance the UK travel program, managing vendor relationships, overseeing operations, and developing travel strategy while ensuring exceptional experiences for colleagues and candidates.

The Windows Engineer will manage and optimize the Windows infrastructure, automate deployment processes, and collaborate globally to resolve issues and document outcomes.

As a Trading Desk Operations Engineer, you'll manage trading desk operations, optimize infrastructure, support trading systems, and collaborate with teams to solve operational issues.

As a Technical Product Manager, you'll lead engineering projects, manage timelines, and coordinate with teams to ensure timely delivery and optimal outcomes.

Manage the firm's capital usage, cost allocation, and position management systems; reconcile margin and billing models; execute funding and financing trades; build automation, monitoring, and visualization tools; identify and remediate financing inefficiencies; collaborate across teams and external counterparties.

Support, configure and maintain desktop, server and network systems across Windows, Linux and macOS environments. Troubleshoot end-user issues, manage Windows domain infrastructure (AD, Group Policy), support MDM (Workspace ONE/Jamf), monitor critical systems, and build automation (PowerShell/Bash/Python) to reduce manual toil and scale IT operations.

Machine Learning Engineer needed to enhance ML platform, build infrastructure, and utilize ML frameworks to solve problems in a financial context.

The Machine Learning Researcher will build deep learning models for trading strategies, collaborating with a team to optimize systems and approaches to tackle market challenges.

As a Cybersecurity Engineer, you'll assess threats, remediate vulnerabilities, and guide teams in building secure applications while fostering collaboration across departments.

Responsible for engineering, managing, and maintaining MDM for iOS and Android devices, optimizing systems, and collaborating to resolve issues.

Procurement interns support global sourcing and purchasing activities, including RFPs, vendor negotiations, quote analysis, inventory management, purchase orders, logistics, and spend analysis. The role also involves improving internal procurement processes and researching sourcing strategies while collaborating with mentors and cross-functional team members. Candidates should be curious, communicative, collaborative, self-directed, and interested in supply chain management.

Design, implement, test and document scalable Windows platform security controls. Automate security workflows and integrate security products via APIs. Manage endpoint security, vulnerability scanning and patching, investigate emerging threats, and advise IT teams on remediation and best practices.

Operate, scale, and improve network security infrastructure. Design and deploy perimeter security, manage segmentation/DMZ, evaluate security platforms, collaborate on threat detection/mitigation, and enhance observability and automation.

Manage engineering initiatives through the entire lifecycle, coordinating projects, communicating schedules, and ensuring timely delivery while collaborating across teams.

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.

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.

The Senior Network Engineer will manage and scale network infrastructure, enhance workflows through AI and automation, and document solutions for improved efficiency.