Jane Street

Developing and maintaining tools and applications related to Windows automation and configuration management · Improving our CI/CD systems, cross-platform frameworks, and software development environments · Improving...

Have 6+ years of design experience across a range of project types and scales · Have excellent taste, with strong typography, layout and colour fundamentals and meticulous attention to detail · Comfortable running...

Passionate about supply chain management, including one or more of the following areas: global sourcing, inventory management, logistics, transportation · Ideally majoring in supply chain management, business...

Managing and optimizing infrastructure and operational processes · Supporting trading systems and workflows by executing data queries and coordinating with stakeholders · Designing and implementing solutions for a range...

Have 7+ years of in-depth experience configuring and supporting the Cisco UC and Collaboration Product Suite in a multi-cluster environment, including: · Cisco Unified Communications Manager versions 14+ · Cisco Meeting...

Drafting and maintaining the compliance policies, guidance and procedures that govern the desk’s activities · Supporting the desk with advice related to regulatory and policy interpretation as well as serving as an...

A top-notch programmer with a love for technology · Intellectually curious, collaborative, and eager to learn · Humble and unafraid to ask questions and admit mistakes

Knowledgeable about operating system fundamentals and computer architecture · Experienced with systems programming concepts like sockets, virtual memory, and the process life cycle · Able to understand network protocols...

Comfortable with a software programming language · Experienced with a Hardware Description (or Construction) language (VHDL, Verilog, Chisel, Pymtl, or other), for both writing and testing hardware designs · Experienced...

Building the in-house tools and systems that make up our platform, or integrating mainstream (often open-source) technologies so they feel native to our infrastructure · Acting as one of the firm's Linux experts, and...

Knowledgeable of computer hardware components and how they interact with each other · Familiar with the Windows operating system · Interested in learning about networking, programming or system administration

Able to apply logical and mathematical thinking to all kinds of problems · Intellectually curious; eager to ask questions, admit mistakes, and learn new things · A strong programmer who’s comfortable with Python

A critical thinker with a strong quantitative mind · A collaborative problem-solver who enjoys working on a team · Proactive, reliable, and courteous with strong organisational and communication skills

Able to apply logical and mathematical thinking to all kinds of problems · Intellectually curious; eager to ask questions, admit mistakes, and learn new things · A strong programmer who's comfortable with Python

A strong quantitative thinker (no specific degree or major is required) · A clear and effective verbal and written communicator · Someone who enjoys working collaboratively on a team

Comfortable with a software programming language · Experienced with a Hardware Description (or Construction) language (VHDL, Verilog, Chisel, Pymtl, or other), for both writing and testing hardware designs · Experienced...

An undergraduate, postgraduate or PhD student with practical experience training an ML model, working on an ML library, or optimising an ML workflow · A top-notch programmer with a love for technology · Intellectually...

A top-notch programmer with a love for technology · Intellectually curious, collaborative, and eager to learn · Humble and unafraid to ask questions and admit mistakes

Studying towards a Bachelor’s or Master’s degree, coming into or having completed your final year · Proactive, reliable, and courteous with strong interpersonal, team working and communication skills · A self-motivated...

Passionate about helping end users and solving technical problems · Have strong experience administering Windows desktop and server environments in production, including Active Directory, Group Policy and related...

Someone who excels at taking a structured and careful approach to solving problems, communicates effectively, can drive projects forward, and has exceptional attention to detail · Excited to learn about a wide range of...

This role involves the full cycle of identifying new optimisations, coding, testing, benchmarking and deployment. There will be the opportunity to work across a wide variety of intermediate representations, including...

An undergraduate, PhD student, or postdoc with practical experience working on ML problems · Interested in applying logical and mathematical thinking to all kinds of problems · Curious about the machine learning...

Deep experience with formal methods. There's no specific checklist. We're broadly interested in people with backgrounds in interactive proof assistants, automated theorem provers, static analysis, refinement types,...

Monitoring the firm’s capital usage and cost allocation systems, including triaging, escalating, and actioning alerts · Translating qualitative recommendations into system configuration and parameter changes ·...

Practical experience working on empirical ML problems · The ability to apply logical and mathematical thinking to all kinds of problems · Intellectual curiosity and excitement about state-of-the-art research across many...

Managing and negotiating our financing transactions on a day-to-day basis across various products · Maintaining and developing relationships with prime brokers and other external financing counterparties · Optimising...

Developing and executing travel strategy for the UK region, partnering with global teams to ensure alignment while addressing local market nuances · Managing vendor relationships and negotiations with travel suppliers ·...

Have strong scripting or programming, and surrounding practices: You have an interest and ability to automate in a real programming language, ability and desire to manage your code and configs in version control, and...

You have 8+ years hands-on experience building and running modern physical design flows (e.g., floorplanning, place and route, timing closure, physical verification, power analysis) · You don't need to have optimised...

Developing, implementing and coordinating comprehensive logistics plans for equipment movement from warehouses to data centres · Managing the call-off process, ensuring the timely and accurate delivery of equipment ·...

Withholding tax (WHT) return compliance and filings and managing our internal WHT processes · Transfer pricing (TP) study report reviews, master file notification filings and submissions · CBCR/FATCA/CRS and other tax...

Design plans for new equipment deployments using data centre best practices · Coordinate logistical tasks across locations, including procurement, shipping, moving and keeping inventory of our equipment, cabling and...

Bachelor’s degree in engineering, computer science, or other technical field is preferred. However we're also excited to talk to people who have picked up technical know-how through industry experience · Experience...

Have 4+ years practical experience in RTL design and verification · Experienced in ASIC design using either Synopsys or Cadence flows, including at least one of the following: · Front-end RTL design and synthesis

Proficient in securing Windows OS platforms and resolving complex technical issues in a fast-moving environment · Have hands-on experience utilising integrated security technologies for safeguarding Windows operating...

We want someone who is a skilled, effective, and experienced teacher. Part of that means being an effective writer and presenter. · The job demands an understanding of our technology stack, and the best way to build...

3+ years of professional experience in analyzing European natural gas fundamentals · Exposure to building part or all of the Global LNG S&D balance is a plus · Strong analytical capabilities

Managing and optimizing infrastructure and operational processes · Supporting trading systems and workflows by executing data queries and coordinating with stakeholders · Designing and implementing solutions for a range...

Offensive security background · Can help build and implement secure solutions from the ground up · Equally comfortable breaking down complex problems on a whiteboard and taking a hands-on approach to problem-solving and...

Providing hands-on support to diagnose and resolve network issues across LAN, WAN and colocation environments · Working with project managers on site expansions, new market data feeds and connections to third-party...

Extensive hands-on experience engineering MDM/UEM platforms at scale, managing iOS fleets across corporate-owned and BYOD models · Demonstrated experience with automation and scripting · Experienced with MDM platforms...

Language design and type systems. Designing language features and stronger type-level guarantees that let our developers express more of what they mean, and catch more mistakes at compile time. · Compilers and...

An understanding of modern ML techniques and toolsets · The experience and systems knowledge required to debug a training run’s performance end to end · Low-level GPU knowledge of PTX, SASS, warps, cooperative groups,...

Experience building and maintaining training and inference infrastructure, with an understanding of what it takes to move from concept to production · A strong mathematical background; Good candidates will be excited...

Practical experience working on empirical ML problems · The ability to apply logical and mathematical thinking to all kinds of problems · Intellectual curiosity and excitement about state-of-the-art research across many...

Have strong programming skills in any language (Python a plus); you write clear, correct, and maintainable code · Proficient with SQL or DataFrame libraries like pandas or Polars · Intellectually curious with a...

Investigating data quality and reliability issues · Interfacing with exchanges or data vendors, raising, tracking, and resolving issues · Helping us (the Metadata team and internal clients) understand our data better

Bachelor's degree in Computer Science, Software Engineering, or other technical discipline (or equivalent experience) · Clear and concise communication skills, from one-on-one meetings to larger group discussions, and...

Bachelor’s degree in engineering, computer science, or other technical field is preferred. However we're also excited to talk to people who have picked up technical know-how through industry experience · Experience...

Work closely with Network Engineering on design and deployment of security perimeter and adjacent network infrastructure · Effectively manage and continuously evolve network segmentation, DMZ, and other aspects of...

If you're a recruiting agency and want to partner with us, please reach out to [email protected].

Type systems that track locality and uniqueness · Formal verification of OCaml programs · New language features for systems programming

Bachelor's degree in Computer Science, Software Engineering or other technical discipline (or equivalent experience) · Clear and concise communication skills, as well as the ability to efficiently analyse and...

We split our time between OCaml software development project work and a support rotation, in which we actively resolve live issues in Jane Street’s critical systems · We are curious and eager to learn about a number of...

Collaborating on new data centre and colocation initiatives, WAN routing optimisation and other cross-team design projects · Interfacing with stakeholders to assess business needs and develop innovative network...

Able to apply logical and mathematical thinking to all kinds of problems · Intellectually curious; eager to ask questions, admit mistakes and learn new things · A strong programmer who’s comfortable with Python

Advanced experience with the inner workings of Microsoft Windows 10/11 or Microsoft Windows Server 2016/2019/2022 · Experience with using PowerShell (or Python, C#) to automate deployment, configuration and monitoring...

Top-notch programming skills · Deep experience with-and love for-technology. There's no specific checklist; we use software to approach a variety of problems, so we're interested in everything from machine learning to...

Our trading is based on our own proprietary models and on busy days we engage in over a million trades. Traders work in teams to seek out and trade on pricing inefficiencies, develop models, manage risk, investigate new...