Software Engineer at Jane Street | Singapore

About the RoleAt Jane Street, we are consistently seeking talented software engineers across all our offices. Our work is fundamentally driven by technology, and our engineers play a crucial role in every aspect of our business.We strongly advocate for functional programming and primarily utilize OCaml, a statically typed functional programming language. Recently, Python has also become integral to our research and trading operations, serving as the primary language for data analysis, visualization, and machine learning.We value the significance of open source software, integrating it into our daily tasks and contributing over a million lines of our own code back to the community.

About the Position Jane Street is seeking talented Software Engineers eager to contribute to the design and development of the systems and tools that are crucial to our operations. Our engineers play integral roles across various departments, including trading, accounting, and infrastructure development. This includes tasks like implementing network monitoring tools and risk models. We are strong advocates for functional programming and primarily use OCaml, a statically-typed functional programming language, in our projects. Additionally, Python has gained prominence in our research and trading efforts, serving as an essential language for data analysis, visualization, and machine learning. We value open-source software and actively incorporate it into our workflows. We also contribute to the community, having released over a million lines of our code as open source. We are always on the lookout for ways to expand our open-source contributions, supporting projects like Mercurial, the OCaml compiler, and the OPAM package manager. Importantly, we welcome engineers with diverse programming backgrounds; many of our team members had minimal OCaml experience before joining. For more insights, check out our interview process and meet our newest hires. About You We do not expect you to have a background in functional programming, OCaml, Python, finance, or any specific field. We seek intelligent programmers who relish solving complex problems. Your ability to think critically and learn is more important to us than your current knowledge. Ideal candidates should be: A skilled programmer with a passion for technology Intellectually curious, collaborative, and eager to learn Humble and willing to ask questions and acknowledge mistakes To prepare for our software engineering interview, feel free to visit our interview prep page. If you are a recruiting agency interested in partnering with us, please contact agency-partnerships@janestreet.com.

About the PositionAs a Linux Engineer at Jane Street, you'll play a vital role in managing the essential infrastructure that supports our cutting-edge technology. This position is tailored for dedicated Systems Engineers, Administrators, and Programmers who are committed to enhancing and maintaining the platform that drives our production trading systems. With a blend of proprietary and open-source software, you will have the opportunity to explore and innovate across various levels of technology. On any given day, you may find yourself debugging kernel performance, developing management tools, or swiftly addressing production issues. Tackling complex systems challenges is at the heart of what we do.Our ongoing projects emphasize deployment automation, scalable configuration management, and meticulous monitoring. We strive for automation not out of laziness, but because it significantly reduces errors and eases our workload—plus, we enjoy it!Joining our team means engaging with nearly every aspect of the company. Collaborating directly with colleagues in Trading, Technology, and Operations, you'll help design and maintain systems with a company-wide impact. By utilizing feedback from different teams and our custom monitoring tools, we aim to resolve production challenges promptly, conduct thorough root-cause analyses, and implement long-term solutions in a clean and efficient manner.

About the Role Jane Street is seeking talented Production Engineers to join our dynamic teams in Singapore and Hong Kong. As Production Engineers, you will engage in software development while also providing exceptional support for critical software systems that drive our trading operations. Our Production Engineers either work closely within software teams or operate as part of standalone groups. Regardless of the setup, collaboration with application developers is key to our shared objective of delivering outstanding software solutions. Emphasizing our commitment to functional programming, we primarily utilize OCaml as our development language. In this role, you will have the opportunity to interact across various departments and functions, addressing real-time challenges that significantly impact our firm. You will take charge of the architecture and design of systems that monitor and support trading activities, and you will design and develop the tools we utilize, allowing you to directly influence and enhance our operational efficiencies. For more insights, feel free to visit Production Engineering at Jane Street.

About the Position Join our dynamic team as a Facilities Operations Engineer, where you will play a key role in managing and maintaining our vital physical infrastructure. This includes overseeing our trading floors, amenity spaces, and food service areas, all supported by cutting-edge mechanical, electrical, and IT systems. We pride ourselves on fostering a collaborative environment that spans various internal departments as well as external vendors, contractors, consultants, and operations teams. Your responsibilities will involve managing diverse projects related to our physical infrastructure while nurturing relationships with stakeholders to ensure the delivery of 24/7 critical infrastructure. We seek candidates who are professionally trained in electrical, mechanical, or building services engineering, or those with equivalent experience in facilities management. Experience in managing facilities maintenance service-level agreements (SLAs) is essential to meet industry standards. If you possess a proven ability to deliver excellence, have strong technical skills, and can make informed engineering decisions regarding operational risk, we encourage you to apply!

About the Role Jane Street is seeking a Senior Network Engineer to enhance our network infrastructure and meet the growing demands of our business. In this role, you will play a critical part in standardizing operations through automation and exploring AI-driven improvements. Our extensive distributed systems operate on a multi-vendor, high-availability network, supporting a diverse range of traffic profiles, from high-speed trading to standard internet connectivity. A typical day within our Network Engineering team includes: Collaborating on new data center and colocation projects, WAN routing optimization, and cross-team design initiatives. Engaging with stakeholders to assess business needs and develop innovative network capabilities. Leading both reactive support and proactive infrastructure improvements, emphasizing detailed documentation to minimize outages and enhance troubleshooting. Investigating AI and machine learning enhancements to streamline operations and continuously improve service quality. Utilizing your networking expertise to scale our infrastructure while ensuring high standards for performance and reliability. Documenting solutions and processes with meticulous attention to detail to improve team efficiency. If you are passionate about innovating within a complex network ecosystem and enjoy building scalable systems and documentation structures, this role offers a unique opportunity to make a significant impact at Jane Street. We look forward to your expertise and unique perspective.

About the Position Jane Street is on the lookout for a motivated and detail-oriented Technical Program Manager to join our dynamic team in Singapore. In this pivotal role, you will provide essential organizational and coordination support for our engineering projects. As technology is the backbone of our operations, this position offers a unique opportunity to collaborate closely with our engineers in the development and optimization of Jane Street’s trading technology. Your technical expertise will be invaluable as you guide projects through their entire lifecycle. This includes defining objectives, creating timelines, monitoring progress, managing developer resources, identifying potential risks, and liaising with relevant teams. You will also be responsible for communicating project schedules, priorities, and updates to the broader organization. To thrive in this role, you will need exceptional communication skills and the ability to juggle competing priorities effectively. Collaboration will span various teams within Jane Street—such as developers, business units, operations, and support—as well as external financial organizations, ensuring that every project is completed on time while meeting or surpassing established goals and expectations. Our work culture fosters a flexible problem-solving environment that encourages innovative thinking when developing processes and tools for ongoing projects. We seek a strategic thinker who takes into account both team and project goals during problem resolution. This role is part of Jane Street’s technology group, which designs, deploys, and maintains the infrastructure that supports our trading activities. You will gain exposure to a diverse range of global market systems, enhancing your understanding as you work to improve them. Success in this position requires a passion for independent work within small teams, a willingness to learn quickly, and the ability to make impactful decisions for the firm. At Jane Street, the “P” in TPM can represent various roles. Depending on the team and circumstances, you may find yourself anywhere from Program Manager to Product Manager. Therefore, being comfortable with ambiguity and eager to engage hands-on with challenges will lead to your success. You may also notice a corresponding job posting for “Technical Product Manager” on our site—feel free to apply to whichever role aligns more closely with your experience and interests, and we will ensure your application is directed appropriately.

At Janes, we are continuously seeking exceptional talent to join our team. If you do not see a current opening that aligns with your skills and career aspirations, we encourage you to reach out to us. Your expertise is valuable, and should a suitable position become available in the future, we will be in touch! Life at JanesWe pride ourselves on fostering a vibrant workplace culture. Our core values and leadership principles guide our actions, ensuring we create the best outcomes for our customers, colleagues, shareholders, and the business. Our supportive and dynamic environment encourages personal and professional growth.Janes is committed to inclusivity and equal opportunity, welcoming applications from individuals of all backgrounds, including age, race, disability, religion, sexual orientation, gender reassignment, marital status, and parental status.While this role is classified as full-time, we recognize the importance of flexibility in the workplace. We embrace a hybrid work model across all locations and are open to discussing various flexible working arrangements. If you have specific needs or preferences regarding your work style, please apply and let us know.Job Applicants - Privacy PolicyKnow your rights document

Join Jane Street as a Network Engineer where you will play a crucial role in maintaining and enhancing our network infrastructure. You will work collaboratively with our engineering teams to design, implement, and optimize our network systems, ensuring high availability and performance.

As a Software Engineer at fuku, you will be responsible for designing, developing, and maintaining high-quality software applications. You will work closely with cross-functional teams to define, design, and implement new features. Your role involves writing clean, scalable, and efficient code while adhering to best practices. You will also participate in code reviews to ensure code quality and compliance with standards, troubleshoot and debug applications to enhance performance, and stay informed about emerging technologies to improve existing systems. Contributing to all phases of the development lifecycle is key to this role.We are looking for someone who is proactive and eager to collaborate with team members to drive innovation and excellence in our projects.

As a Software Engineer at fuku, you will be responsible for the design, development, and maintenance of innovative software applications and systems that drive our business forward. You will work collaboratively with cross-functional teams to define, design, and launch new features that enhance our product offerings.Your key responsibilities include:- Crafting clean, scalable, and efficient code that adheres to industry best practices.- Participating in code reviews to uphold high-quality standards.- Troubleshooting, debugging, and upgrading existing software solutions.- Contributing to the continual enhancement of our development methodologies and processes.- Keeping abreast of emerging technologies and industry trends to maintain our competitive edge.We are looking for individuals with a passion for technology and innovation.

As a Software Engineer at fuku, you will be tasked with designing, developing, and maintaining high-performance software applications and systems. You will collaborate with cross-functional teams, including product managers, designers, and fellow engineers, to define and deliver innovative technical solutions. Your role will involve writing clean, efficient, and well-documented code that adheres to industry best practices.Your responsibilities will also include participating in code reviews to uphold code quality and maintainability, troubleshooting and debugging software defects and performance issues, and contributing to the ongoing enhancement of development processes and methodologies. Staying abreast of emerging technologies and industry trends will be critical to driving innovation within the team. Additionally, you will ensure the security, reliability, and scalability of our software systems and mentor junior engineers, fostering a culture of knowledge sharing and collaboration within the organization.In this role, you will have the opportunity to make a significant impact on our projects and the direction of our technology stack.

Join Agoda as a Staff Software Engineer and become part of a dynamic team in the heart of Singapore. In this pivotal role, you will leverage your coding expertise to contribute to innovative projects that enhance our platform, ensuring a seamless experience for our users.You will collaborate closely with cross-functional teams to design, develop, and maintain high-performance applications. Your problem-solving skills and passion for technology will be crucial as you tackle complex challenges and drive continuous improvement in our software solutions.

Job Responsibilities:- Architect, develop, and sustain innovative software applications tailored for data center management.- Collaborate seamlessly with interdisciplinary teams to define, design, and deploy new features.- Produce clean, scalable, and efficient code adhering to industry best practices.- Diagnose, debug, and enhance legacy software systems.- Engage in code reviews to uphold exceptional quality standards.- Foster continuous improvement within the software development lifecycle.- Keep abreast of the latest industry trends and technologies to deliver pioneering solutions.Job Requirements:- A Bachelor's degree in Computer Science, Software Engineering, or a related discipline.- Demonstrable experience as a Software Engineer or in a similar capacity.- Strong command of programming languages such as Java, Python, or C++.- Familiarity with software development frameworks and tools.- Comprehensive understanding of data structures, algorithms, and software design principles.- Exceptional problem-solving abilities and meticulous attention to detail.- Capacity to work collaboratively within a team environment.Job Benefits:- Competitive salary with performance-based bonuses.- Extensive health insurance coverage.- Opportunities for professional growth and career advancement.- Flexible working hours with remote work possibilities.- Generous paid time off and holiday schedule.- Access to cutting-edge technology and resources.- Supportive and inclusive company culture.

About the Role Jane Street is seeking a highly motivated FIX Onboarding and Connectivity Engineer to enhance our proprietary trading capabilities and client-facing trading operations. In this pivotal role, you will engage in the technical processes that empower our trading desks to access a diverse range of products and exchanges, while also facilitating the onboarding of external clients for trading with Jane Street. You will collaborate closely with our trading teams to drive business growth and partner with our technology teams to develop cutting-edge connectivity systems. At Jane Street, we foster a culture of learning and knowledge-sharing. While experience with FIX and other electronic trading protocols is welcome, we are eager to provide you with the specific training required to excel in our trading and technology environments. The majority of your responsibilities will revolve around onboarding and connectivity projects for both proprietary and client-facing trading initiatives. This involves prioritizing requests from trading desks, collaborating with developers, infrastructure engineers, and external stakeholders, and overseeing the onboarding process from inception to production. You will serve as a crucial link between our clients, trading teams, and technology teams, which will require excellent communication and coordination skills. Additionally, you should be comfortable using the Unix command line and developing code to deliver these projects successfully. We expect you to maintain a thoughtful and empathetic perspective on team dynamics and collaboration, suggesting improvements and promoting best practices. Your insights into project management and interdepartmental interactions will be highly valued.

Sioux Technologies is a leading provider of strategic high-tech solutions, specializing in the development, innovation, and assembly of intricate high-tech systems.With a dedicated team of over 1,200 engineers, we either support our clients directly or serve as their Research and Development department. Our high productivity enables us to accelerate product development, providing our clients with a competitive advantage at improved cost-effectiveness.As a rapidly expanding employer, Sioux prioritizes employee growth and well-being, investing in career development and fostering a positive work environment that encourages both personal and professional advancement.In Singapore, Sioux plays a crucial role in the Asian market, delivering R&D services from our centers across Europe and Asia to our esteemed customers. We lead development teams in Asia, based in Singapore, which allows us to adapt to the evolving needs of our domestic and international OEM customers in the semiconductor, analytical, and medical industries.As a PLC Software Engineer specializing in Semiconductor Equipment Control Software at Sioux, you will oversee the complete software engineering process, from software requirements engineering and design to implementation, testing, program analysis, and maintenance. This role offers a clear path for advancement into lead software or system architect positions, aligned with the significance and independence of your contributions to the team.Your responsibilities will include:Collaborating with clients and stakeholders to implement PLC logic, such as motor control.Analyzing customer requirements during the software requirement engineering phase.Designing, implementing, and testing the control software.Conducting peer reviews to guarantee product quality.Being an integral part of a Scrum team, managing user stories across the full stack.Developing functionalities using Agile practices, focusing on speed and quality.

Join our esteemed client, a statutory board under the Government of Singapore, as a Software Engineer specializing in device management to enhance their operations.Key Responsibilities:Gather and analyze requirements.Design, develop, and maintain software applications.Prepare and submit comprehensive deliverables throughout the software development lifecycle, including Business Rules, Software Requirement Specifications, Software Architecture Documents, Design Specifications, Interface Specifications, Source Codes, Testing Specifications, and Operation and Maintenance Manuals.Provide day-to-day application support and troubleshoot user issues.Collaborate with users to address requirements, design, and testing concerns.

About the Companyxcellink is a premier technology firm recognized for its advanced digital solutions and services tailored for a diverse range of clients. Committed to spearheading digital transformation, smart city initiatives, and innovative software development, the company empowers organizations to excel in the digital landscape. Their mission is to deliver cutting-edge technology solutions that drive business success and foster growth in today’s competitive environment.Key ResponsibilitiesDesign and implement both frontend and backend web applications, taking full ownership of the software development lifecycle.Write automated functional and unit tests to ensure the delivery of high-quality code.Create backend APIs and manage databases to support application functionality.Leverage cloud technologies to design scalable applications.Collaborate with DevOps Engineers to enhance build and release automation processes.Participate in pair programming and conduct code reviews to foster a collaborative development atmosphere.Work closely with Product Managers, Business Analysts, Quality Engineers, and User Interface/User Experience Designers to deliver outstanding features.QualificationsStrong proficiency in modern frontend development frameworks such as React.js and Next.js.Experience in server-side web application development using Node.js and TypeScript.Familiarity with CI/CD pipeline processes.Expertise in utilizing cloud platforms like Amazon AWS, Azure, and Google Cloud Platform (GCP).Experience with JavaScript testing frameworks such as Jest or Mocha.Knowledge of serverless technologies including AWS Lambda and ECS.Understanding of Agile methodologies and Continuous Integration/Delivery practices.Proficient in version control utilizing Git.A collaborative mindset with an eagerness to work across various platforms in a dynamic team.Preferred QualificationsSolid understanding of JavaScript and TypeScript fundamentals.Experience in developing reusable web components.Familiarity with search engine functionalities (crawling, indexing, searching).Experience with Test-Driven Development (TDD) and Behavior-Driven Development (BDD).Knowledge of Docker containerization.A strong team player with excellent interpersonal and presentation abilities.

Job Title: Software EngineerJob Description:We are looking for a skilled Software Engineer to become a vital part of our innovative team at fuku. The ideal candidate will have extensive experience in Node.js and React, with a minimum of 3 years of professional expertise. You will be tasked with developing and maintaining high-quality software solutions in a dynamic and fast-paced environment.Key Responsibilities:- Design, implement, and maintain web applications utilizing Node.js and React- Collaborate with cross-functional teams to define, design, and deliver new features- Diagnose and resolve issues, optimize existing code for performance and scalability- Engage in code reviews and contribute to the establishment of best practicesRequirements:- Minimum of 3 years of experience with Node.js and React- Strong analytical and problem-solving abilities with an eye for detail- Capability to thrive in a fast-paced work setting- Excellent communication and teamwork skillsIf you are passionate about software development and eager to tackle challenging projects, we invite you to apply.

Join xcellink, a leading multinational aerospace technology and engineering group, as a Senior Software Engineer. In this pivotal role, you will collaborate with government and commercial clients to design and implement state-of-the-art systems that significantly improve operational efficiency. As a vital member of our agile development team, you will work alongside the Solution Architect, Project Manager, Technical Lead, and Scrum Master to quickly develop, test, and deploy innovative software solutions aligned with project goals.Key Responsibilities:Design, integrate, and manage both relational and NoSQL databases.Develop responsive web front-end interfaces and secure backend APIs.Implement robust security measures for backend APIs and user-facing web applications.Create insightful analytics dashboards for data visualization.