Software Engineer at Jane Street | New York

About the PositionJoin Jane Street as we innovate and expand OxCaml, a specialized variant of OCaml designed for performance engineering. Your role will be crucial as we not only create and implement this programming language but also ensure our developers master its intricacies. That’s where you come in!We are seeking a talented and experienced educator who can create engaging educational materials and deliver effective courses to empower our engineers to excel in OxCaml. You will play a vital role in our internal training initiatives, enhancing our OCaml Bootcamp for new hires and developing advanced tutorials for seasoned developers eager to leverage OxCaml’s sophisticated features.This role presents a unique opportunity to collaborate closely with the language's designers and implementers, contributing to the educational framework that will shape the future of OxCaml at Jane Street.Here’s what we’re looking for:Adept in teaching, with proven skills in writing and presenting educational content effectively.A strong understanding of our technology stack, complemented by a passion for coding, as significant time will be dedicated to hands-on programming.Experience in curriculum development and teaching, alongside mentoring others who aspire to enhance their teaching skills.We encourage candidates with experience in teaching computer science topics within university environments, as well as those who have taught technical subjects in professional settings, to apply.

About the Position Join Jane Street as a Machine Learning Educator, where your expertise will empower our team to excel in the dynamic world of machine learning. As a vital contributor, you will guide our members in understanding and applying machine learning concepts effectively. At Jane Street, machine learning is integral to our global operations. Our fast-paced trading environment provides an ideal platform for hands-on ML experimentation, facilitating the integration of innovative ideas seamlessly. Our team is composed of dedicated professionals who share a passion for software engineering and the creation of user-friendly APIs and systems. Education is a cornerstone of our philosophy. We believe that continuous learning and exploration are essential for our growth. As machine learning integrates into every facet of our operations, we are committed to enhancing our educational offerings. The Machine Learning Educator will play a crucial role in developing and enhancing our educational programs and courses, covering a wide array of topics from introductory machine learning to advanced model training techniques. We are seeking a candidate who: Is a proficient and engaging teacher, demonstrating excellent writing and presentation skills. Is adept at coding, with a strong desire to contribute to our machine learning research through hands-on experience with our technology stack. Serves as a mentor to aspiring educators, guiding them in curriculum development and teaching methodologies. We look forward to connecting with individuals who have experience teaching machine learning in academic or industry settings. If you are a recruiting agency interested in partnering with us, please reach out to agency-partnerships@janestreet.com.

About the PositionJane Street is on the lookout for a dedicated Paralegal to join our dynamic Legal & Compliance team. In this pivotal role, you will play a vital part in managing contracts—ranging from financial agreements to vendor contracts and leases. Your organizational skills will be crucial as you handle workflows, maintain databases, and support daily legal operations and various ad hoc projects.Collaborating with seasoned professionals, you will help streamline processes and enhance the systems that keep our legal operations efficient. As a primary point of contact, you will engage with diverse teams across Jane Street, including traders, technologists, procurement specialists, market data analysts, and engineering personnel.Key responsibilities include:Collecting signatures, drafting, blacklining, proofreading, scanning, and completing essential forms.Organizing and upkeeping centralized directories, contract templates, and supporting documents.Reviewing and preparing various legal documents, including onboarding materials, Powers of Attorney, Non-Disclosure Agreements, service and vendor contracts, leases, and more, while ensuring proper filing and maintenance in our database.Preparing and maintaining lease abstracts for our offices, data centers, and co-locations.Facilitating data collection and provision for stakeholders related to their projects, while implementing process improvements that enhance efficiency and scalability in our legal operations and contract workflows.About YouA Bachelor’s degree accompanied by 3+ years of administrative or paralegal experience.Experience with corporate or financial transactions at a trading firm, hedge fund, law firm, or private equity firm, or with vendor/procurement and leasing within financial services or tech.Self-motivated with a strong independent work ethic.Exceptional organizational skills with the ability to manage competing priorities effectively.Strong communicator with excellent interpersonal skills.Proficient in database management, project management, and AI tools.A reliable and flexible team player with a courteous demeanor.Excellent computer skills, including proficiency in MS Word, Excel, Google Workspace, and web-based portals.A notary license is preferred or a willingness to obtain one.

About the RoleJane Street is seeking a skilled Data Engineer dedicated to transforming our trading operations through robust data management. This role is pivotal as we strive to gain a comprehensive and precise understanding of the data that drives our trading strategies.In this position, you will leverage a combination of proprietary and open-source tools to analyze datasets from diverse sources. Your responsibilities will include identifying anomalies, standardizing data formats and symbologies, automating ETL processes, and enabling our traders to derive insightful analytics.We value individuals who have a passion for exploring data and are adept at communicating their insights to various stakeholders, collaborating closely with both traders and software engineers.While prior experience in financial data is an advantage, we welcome talented engineers from diverse backgrounds and are committed to providing the necessary training.

About the Position Jane Street is on the lookout for an IT Operations Engineer to bolster our technology infrastructure by supporting, configuring, and maintaining a variety of systems. This includes desktop environments, network infrastructure, and diverse application platforms. Technology is the heartbeat of our operations. In this role, you will be instrumental in addressing tech support inquiries, setting up and configuring Windows, Linux, and macOS laptops, desktops, and servers. You'll also support our Windows domain infrastructure, monitor critical systems, and engage in projects aimed at enhancing operational efficiency. During quieter times, you'll have the opportunity to utilize automation tools like PowerShell to devise elegant, scalable solutions that streamline our processes. Your success in this role will hinge on your exceptional problem-solving skills and ability to communicate effectively with our technically adept users. We seek an individual who can troubleshoot in real-time, listen patiently, ask clarifying questions, and humbly acknowledge mistakes. You will receive immediate feedback and find satisfaction in seeing your solutions make a tangible impact on our business. This position is part of our global IT Operations team, which consists of engineers who monitor and manage our mixed Windows/Linux/macOS environments across a diverse computing landscape that spans multiple continents. Collaborating with specialized teams both within and outside the IT department, you will help create and sustain the infrastructure that underpins our trading operations. Please note that this role may involve occasional physical tasks, including lifting equipment up to 40lbs. About You A genuine passion for assisting others and solving technical challenges. A robust foundation in information technology and networking principles. Technical proficiency in networking, programming, or system administration. Familiarity with Windows Desktop/Server Operating Systems and best practices within a production setting. Practical knowledge of Active Directory, Group Policy, and other common Windows administrative subsystems. Clear, concise, and empathetic verbal communication skills. Strong written communication abilities for technical documentation and knowledge base upkeep. Willingness to work occasional evening or weekend hours. Familiarity with Linux or macOS operating systems is a plus. Additional technical proficiency in programming or scripting for Windows (especially PowerShell) or Linux (especially Bash) is also advantageous.

About the Position Join our dedicated team of Linux Engineers at Jane Street, where you will be instrumental in maintaining the vital infrastructure that supports our cutting-edge technology. Our team comprises skilled Systems Engineers, Administrators, and Programmers focusing on enhancing the platform that drives Jane Street's production trading systems. With a blend of proprietary and open-source software, you will have the opportunity to explore and innovate at every level. Your day-to-day activities might include debugging kernel performance, developing management tools, or addressing production issues on the fly. Solving complex systems challenges is our forte. We emphasize deployment automation, scalable configuration management, and meticulous monitoring in our ongoing projects. While we automate as much as possible, it's not out of laziness; rather, we believe that automation minimizes errors and lightens our workload—plus, we find it enjoyable. Working within our team provides a unique opportunity to collaborate with various departments across the company. You will work closely with teams in trading, technology, and operations to develop and sustain systems that have a firm-wide impact. By leveraging feedback from other groups and utilizing our custom monitoring tools, we aim to resolve production issues swiftly, conduct thorough root-cause analyses, and implement long-term solutions in a clean and efficient manner. We don't require you to have extensive experience; we are eager to hire intelligent problem solvers and guide them through their learning journey. You will train alongside seasoned team members in a hands-on environment, acquiring the skills necessary to make significant improvements to our infrastructure daily.

At Jane Street, we're seeking a skilled Macro Analyst to support our global trading and research teams in analyzing macroeconomic and geopolitical factors affecting assets. The ideal candidate is adaptable, able to quickly familiarize themselves with new regions or subjects, develop insightful analyses, and apply these insights to broader market questions. Your expertise in global macro topics will be crucial in enhancing our trading strategies.Key Responsibilities:Engage in in-depth discussions with traders and researchers, providing macroeconomic updates and quantitative analyses, and clearly articulating your data-driven insights.Collaborate with global sell-side sales and research contacts, synthesizing broker insights and forming your own opinions.Conduct comprehensive analyses into specific geographies or macro topics, from formulating relevant questions and gathering data to deriving conclusions and recommendations based on both quantitative and qualitative assessments.

About the PositionJane Street is seeking a skilled Power Analyst to join our dynamic team. In this role, you will be instrumental in pricing and executing trades within the power markets. Your responsibilities will include developing models that analyze cross-commodity correlations, simulating returns for various strategies, and enhancing our current desk strategies to achieve optimal performance.About You5+ years of experience as an analyst within power marketsStrong analytical mindset with proficiency in probability and statisticsAbility to thrive in a fast-paced, collaborative environmentExcellent communication and interpersonal skillsMotivated and eager to learn, adaptable, and responsibleCoding skills are a plus

About the Position Join Jane Street as a Quantitative Trader, where you will play a pivotal role in identifying market signals, analyzing and executing trading strategies, constructing quantitative models, and conducting in-depth statistical analyses. You will also be responsible for building sophisticated algorithmic trading systems, managing risks, and developing new business opportunities. Our trading desks foster a collaborative environment, allowing you to work closely with experienced traders who are dedicated to mentoring and supporting you. Expect to take on significant trading responsibilities within weeks to months, complemented by a robust year-long educational curriculum designed to enhance your skills. At Jane Street, we blur the lines between research, technology, and trading, ensuring close collaboration as we push the boundaries of innovation. We handle vast amounts of data with a computing cluster encompassing hundreds of thousands of cores and an extensive GPU cluster. We embrace a variety of statistical and machine learning techniques, from linear models to deep learning, to tackle complex problems effectively.

About the Role As a Quantitative Trader at Jane Street, you will be part of a dynamic team that utilizes our proprietary trading models to execute over a million trades on busy days. You will collaborate with fellow traders to identify and capitalize on pricing inefficiencies while also developing models, managing risk, and exploring new business opportunities. Our seasoned traders will mentor you, allowing you to grow from an assistant role to assuming greater responsibilities as your skills develop. Technology is integral to our trading strategy, and we pride ourselves on being as much a technology firm as a trading company. We primarily utilize OCaml, a statically-typed functional programming language, and boast the largest team of OCaml engineers in any industrial environment.

About the RoleAt Jane Street, we are continually seeking skilled software engineers to join our dynamic team across all offices. Technology is integral to our approach, empowering engineers to engage across all facets of our operations.We are strong advocates for functional programming, primarily utilizing OCaml, a statically typed functional programming language. In recent years, Python has emerged as a crucial tool within Jane Street’s research and trading domains, serving as the preferred language for data analysis, visualization, and machine learning tasks.Our commitment to open-source software is reflected in our daily practices, with over a million lines of our own code made available as open-source contributions.

About the PositionJane Street is seeking a dedicated Data Specialist to enhance our understanding, improvement, and maintenance of the data that drives our trading operations. As a key member of our engineering team, you will collaborate closely with software developers, traders, and operations professionals throughout the organization.Your role will involve a variety of tasks, including analyzing, onboarding, validating, and generating large data sets from multiple sources. You will work hand-in-hand with your team and trading desks to identify requirements and enhance our software solutions. Additionally, you will engage directly with exchanges and data vendors to address and resolve critical trading issues while developing a solid understanding of our data to support business growth in new areas.

About the Position We are seeking a talented FPGA Engineer with a strong foundation in both software and hardware design to join our innovative team in developing cutting-edge FPGA-based applications. At Jane Street, we strongly believe in leveraging advanced tools to enhance the programming experience, making it faster, more enjoyable, and reliable. We apply these principles to our FPGA engineering efforts and are on the lookout for individuals passionate about utilizing programming language technology to optimize the design, testing, and validation of hardware systems. We employ Hardcaml, an OCaml library that allows for concise RTL hardware descriptions. You will gain significant exposure to the essential libraries and tools integrated into our development environment. No prior knowledge of Hardcaml is required. In this role, you will be integral to the design and implementation of new FPGA applications from the ground up, as well as refining our internal high-level design and testing tools. Your daily responsibilities will involve extensive use of OCaml and Hardcaml for RTL design and testing/integration, along with some exposure to Verilog and C. While experience with OCaml is not mandatory, a solid background in typed programming languages is advantageous. If you wish to explore more about our culture and processes, feel free to check out our interview process, meet some of our newest hires, or watch our OCaml All The Way Down talk and listen to the Programmable Hardware podcast episode.

About the Position Join our global team at Jane Street as an IT Security Engineer, where your extensive Windows engineering expertise and hands-on experience with contemporary security controls will play a pivotal role in safeguarding our IT platforms. You will be instrumental in enhancing the security of our internal IT and remote work environments through a blend of technical execution, consultation, and strategic influence across the IT team. We seek a candidate who possesses exceptional judgment and an eye for prioritizing intricate remediation efforts. Your insights will guide our mitigation strategies, while you provide essential technical counsel and decision-making support as required. Your responsibilities will include: Proactively proposing, designing, testing, implementing, and documenting advanced security controls. Coordinating and delivering security solutions across our IT platforms, while identifying opportunities for further automation of intelligent workflows. Developing scalable security controls, investigating emerging threats, creating new security tools, and spearheading vulnerability management initiatives. This role is part of our dedicated IT Engineering team, which monitors and manages our computing environment across three continents. Your analytical skills and expertise will be critical in supporting our colleagues' daily operations and ensuring our systems are maintained to the highest standards.

About the PositionJane Street is seeking a seasoned Campus Recruiter to drive our efforts in sourcing and hiring exceptional interns for our Software Engineering teams. In a competitive landscape, your insights will be vital as we strive to innovate and enhance our recruitment strategies.The ideal candidate will take ownership of their candidate pipeline while introducing novel ideas to refine our processes. This challenge involves addressing complex issues while ensuring meticulous attention to everyday details.During the campus recruiting season, you will engage deeply with a high-volume pipeline, managing candidates through every step of the process. The insights you gather will help shape our recruitment strategies and optimize our methods.Our team excels at nurturing talent; we have a proven track record of mentoring new recruiters to reach their full potential. We provide an extensive onboarding program that delves into our overarching strategy and its application to our daily operations. Continuous support for your professional development through active training and mentorship is a commitment we uphold.Our Recruiting team is vibrant and cohesive, united by the belief that our greatest asset is our talented workforce. We are passionate about our mission and driven to connect others within the firm with exceptional colleagues.Over the past two decades, we have established a dynamic and engaging search and interview process, successfully identifying nearly 3,000 top-tier hires globally. We look forward to leveraging your expertise to propel our strategies forward.About YouMinimum of 5 years of professional recruiting experience, ideally in university tech recruitmentEnthusiastic about learning new skills and making an immediate impactCreative thinker with a profound understanding of the candidate landscape, capable of anticipating future hiring needsSelf-motivated individual who can effectively prioritize tasks, stay organized, and translate ideas into actionAdaptable team player with a proactive, hands-on approachExcellent communicator capable of engaging with colleagues, candidates, and external partnersApproachable and modest about knowledge, willing to seek assistance when necessaryInquisitive about the firm's operations and how recruitment aligns with broader objectivesExcited to travel to recruitment events and conferences as needed

About the RoleJane Street is seeking a talented Staff UX Designer who can create sophisticated design solutions while fostering a culture of sustainable design growth within our organization. You will be integrated into one of our Technology teams, tailored to your unique background and expertise.At Jane Street, collaboration across diverse teams and disciplines is key. We are committed to nurturing a purposeful design culture that empowers our colleagues to excel in their work. As our firm expands, the demand for professionals who can bring user experience insights to projects has significantly increased. You will join us at a pivotal moment as we enhance our design team.With direct access to a varied user community, you will spearhead initiatives that help your team grasp the needs of users in their roles. By applying user research methodologies, you will define the essential products to meet these needs. Additionally, you will guide teams in adopting user-centered research approaches throughout the product lifecycle.Exhibiting design expertise is vital in this position. You will collaborate with your team to outline project scopes, sketch, storyboard, and prototype innovative solutions for improved user experiences. We expect you to simplify the complex workflows of our user communities into user-friendly design solutions for both internal and external audiences. Your role will also include initial discussions to understand users' systems and challenges better.Your commitment to understanding our operations and existing processes is crucial, alongside your adaptability as we establish a robust design presence. You will contribute valuable insights on UX decisions within your team, promote usability testing across the firm, standardize user research methodologies, and enhance our teams' collaboration with design professionals.

About the Position The Strategy and Product Specialist (SP) role at Jane Street is ideal for analytical thinkers eager to tackle complex challenges. SPs employ a strategic mindset to navigate and solve the firm’s most significant obstacles, collaborating across various teams as business priorities shift. This position affords you a comprehensive understanding of our operations and fosters cross-functional growth. New SPs typically commence their careers with an immersive year-long rotation that encompasses all areas of Jane Street’s business, including trading, technology, finance, compliance, and operations. These rotations are designed to cultivate a diverse skill set, forge strong interdepartmental relationships, and provide a detailed understanding of how our business operates as a cohesive unit. This foundational experience equips SPs to lead strategic initiatives within their teams and across the firm. While the rotational program culminates in a more permanent team assignment, SPs frequently transition between teams throughout their careers, aligning their personal interests with the firm’s evolving objectives. This dynamic environment enables successful SPs to play a pivotal role in shaping the future of our business. For more details, feel free to explore our Strategy and Product program and interview process.

Join Our Security Operations Team We are seeking a passionate, driven, and technically inquisitive individual with a strong focus on IT operations to become a valued member of Jane Street’s IT Security team. Your role will be pivotal in safeguarding our firm's IT systems and user identities through hands-on technical work, innovative problem-solving, and collaborative teamwork. Key responsibilities for this position include: Deploying, documenting, and implementing security controls at scale. Contributing significantly to our Vulnerability Management program to effectively detect and mitigate vulnerabilities. Providing expert guidance and support to the IT department and IT Operations team during security incidents. Collaborating with engineering teams to develop both technical and non-technical solutions addressing security concerns. Assisting in the creation and refinement of our team’s operational playbooks and procedures. We are looking for someone who thrives in collaborative environments, enjoys tackling complex challenges, and is adept at delegating and escalating tasks efficiently. This role emphasizes communication, as you will be responsible for translating intricate technical issues for diverse audiences while maintaining accuracy. We welcome applicants from varied backgrounds, but preference will be given to candidates with experience in code-driven or declarative environments and hands-on experience in security incident response.

About the Position The Operations team at Jane Street plays a pivotal role in our trading activities. We oversee the processes that link us with external entities as well as those that facilitate internal coordination. Our mission is to ensure the movement of assets, information, and ideas is executed with precision, control, and efficiency. With many challenging problems to tackle, we believe in attracting exceptional and intelligent individuals to confront these challenges. As part of our collaborative and dynamic Operations team, which thrives on rapid decision-making and innovative ideas, you will contribute significantly in areas such as trade settlements, trade record and position management, or cost and cash management. You will collaborate closely with external service providers and trading partners, along with colleagues in your local office and internationally, to troubleshoot issues stemming from our intricate trading operations and guarantee the seamless execution of our processes. In this role, you will work with a diverse array of financial products, including equities, bonds, ETFs, futures, and swaps. We are seeking a bright, eager learner who is ready to engage from day one.