Susquehanna International Group (SIG) is seeking talented software engineers to join our Fixed Income Trading Systems Team, which is responsible for building high performance trading systems for the Fixed Income Desk.  You’ll work alongside traders, analysts, and other technology teams to create, maintain, and enhance our proprietary trading systems.  In this role, you will:   - Design and create proprietary software to...

SIG is seeking a software developer to help us build out our high frequency market data distribution platform. You will have the opportunity to work closely with strategy and infrastructure development teams both in our Bala Cynwyd headquarters and our international office. You’ll be part of a team that is building a multi-threaded C++, high performance and low latency platform Windows architecture that manages high volumes of inbound and outbound messages – with data rates exceeding multi-million messages per second. While the bulk of your programming will be in C++, you’ll also have a chance to work with C#, python and a range of different middleware products.  

SIG is hiring a software developer into our Market Data team. This team develops front-end market data applications which we use across our organizations to make market decisions. Like most development at SIG, we prefer to build our own tools, and our market data system is no exception. As a Software Developer on this team, you will work directly with traders to gather requirements for real-time data visualization, new functionality, and other needs as we continue to build our platform. We are looking for a developer with C++ and C# experience, preferably with some python and UI skills.  

Our Order Management team is responsible for developing and maintaining our equity trading tools.  Developers on this team work closely with traders to gather requirements, extend functionality, and build new tools for trade order execution. In this role, you will own your projects from requirements to maintenance and beyond.  Beyond development, you will propose and investigate new technologies as we revamp our toolset every two to three years.  To build these systems, we currently use C++/C#/PostGRE/SQL Server/R among others.    What you can expect from us:  Real Impact: You’ll be designing and optimizing...

The PTS Development team is responsible for developing and delivering tools and applications to manage, monitor and verify the production trading environment. This is done through both greenfield development projects and transitioning legacy applications into our modern trading environment.  You will have the opportunity to have direct impact on the success of our business and collaborate with developers, business experts and support engineers.   In this role you will: - Develop applications that monitor the environment for changes that would impact the business and our ability to trade - Participate in all phases of...

Our Python software engineers are employed in building, maintaining and supporting systems which are fundamental to our success and competitiveness in the current trading environment. These systems include quantitative study environments and data pipelines, the generation/visualisation of trading data and publication of trading signals. We constantly improve these systems so they are stable, fast and easy to use by our Quants and Traders.   Job Summary

SIG is seeking a Software Developer to join the team responsible for building applications and services for one of our middle-office platforms. This platform supports trading and operations staff with portfolios spanning a diverse range of asset types. In this role, you will be developing, and maintaining service-oriented applications that model and process trade and post-trade activity. You will collaborate with business groups and other technology groups to ensure that all data is captured and delivered in a highly efficient and reliable manner.   What you can expect from us:  Real Impact:...

Susquehanna International Group (SIG) is seeking talented software engineers to join our Brokerage Options Development Team, which is responsible for creating and maintaining custom solutions that enable SFG’s traders to handle large orders from our institutional trading partners.  You’ll work alongside SFG’s traders, analysts, and operations staff to ensure that our customer options trading platform is the best in the business, and can handle any type or amount of order flow that our customers send us. In this role, you will: - Take ownership of complicated business problems, seeing them through the entire software...

Susquehanna International Group (SIG) is seeking talented software engineers to join our Corporate Systems Team, which is responsible for developing in-house applications for our stakeholders such as Marketing, Recruiting, Accounting, Compliance and Private Equity.  You will work directly with the end users of the systems as you develop new applications and features.   In this role, you will: - You will participate in the design, development, and implementation websites using various content management systems. - You will build common components in a UI framework that will be used by other applications within the team. - This team participates in all phases of...

Susquehanna International Group (SIG) is looking for a Production Data Engineer to join our Data Engineering team within the Options group.   In this role, you will: - Be on the front lines helping to improve the quality of data delivery, storage and development - Collaborate across multiple development and quantitative groups.  - Be part of the entire lifecycle of strategy development. What you can expect from us: Real Impact: You’ll be designing and optimizing systems that process massive amounts of data, ensuring high performance and stability. You’ll see how your...

At Susquehanna International Group (SIG) our technologists are at the heart of where cutting-edge technology meets the fast-paced world of trading.  Our growing teams build some of the most powerful trading systems in the financial industry and solve complex problems in a constantly changing environment from working with large scale computations, real-time systems, high performance computing to petabytes of data. We are always looking for experienced technologists to help build infrastructure that facilitates millions of trading transactions around the world every day.   What you can expect from us:

SIG technologists are at the heart of where cutting-edge technology meets the fast-paced world of trading. Our growing teams build some of the most powerful trading systems in the financial industry and solve complex problems in a constantly changing environment. From large scale computations, real-time systems, high performance computing to petabytes of data. By integrating sophisticated coding techniques with innovative engineering ideas, we design and optimise systems that can process massive amounts of data while still ensuring high performance and stability. Collaborating with traders and quantitative researchers, our systems engineers, network architects, technical analysts and...

SIG is seeking a Data Engineer to work with petabytes of historical market data on a cluster with thousands of cores.  In this role, you will be working on a team responsible for managing the data pipeline in generating rich data sets used by Equity and Futures strategies. As a hybrid data engineer/software engineer, you are building tools that analyze large data sets which directly impact and optimize our trading behavior and results.  This is a highly visible team that works with traders and quantitative research strategists to provide key information used in trading.     As a member of this team, you will: - Work with...

Heights Capital Management, the Private Placements team within SIG, is hiring a Full Stack Engineer. The team invests the firm’s proprietary capital in public companies in the US, Europe and Asia. We are looking for a full stack developer to architect and develop systems using C#, T-SQL, and SQL Server technologies.   At Heights, you will have the opportunity to work with investment managers, quantitative analysts, and other developers to engineer unique ways to solve problems. A strong candidate will have experience in the financial industry, but more importantly, will need deep technical skills and an inclination to build systems iteratively and collaboratively with other team members.

Are you interested in our summer 2025 Software Engineering internship? Apply here, and we will reach out to you in late summer when recruiting begins.   SIG is looking for highly motivated full-time students for our 10-week software engineering summer internship program. As a software engineering intern, you’ll be part of a team that builds some of the most powerful trading systems in the finance industry. You will work alongside our experienced software engineers on the development, delivery, support, and enhancements of our trading systems and infrastructure.  

This is a trading role in which you will be making quick decisions to trade a wide swath of sports and political products using in house models and technology.   Tasks will include: - Trading mainly American sports – NFL, NBA, MLB, Tennis, NCAAF, NCAAB, Football (Soccer)

You will be joining the Static Data team within our Technology department. This team is responsible for the vital set up and maintenance of our daily instrument reference data. You will work alongside development and Trading Support teams to ensure the integrity and accuracy of the data to our trading desks   You will be required to build financial knowledge of the vast range of products traded by SIG as well as specifics of the trading venues we operate on. You will work with the complex structure of the databases and investigate ways of obtaining, populating and monitoring data using internal tools and...

  SIG is looking for a Storage Engineer to join Windows Virtual and Storage Team in our stunning top floor office in Sydney, Barangaroo. As a part of expanding the Windows team, the successful candidate will contribute to delivering technology solutions to our Production Enterprise Storage Infrastructure, specifically being tasked with the deployment and management our Storage, Backup and Data Governance environment.   In this role, you will provide support for our existing modern technology stack as well as work on cutting edge projects...

Susquehanna International Group (SIG) is seeking a Software Developer to join a team responsible for designing and developing low-latency trading systems for our Index Desk.  As a developer on this team, you will work closely with traders and top technologists to enhance our trading capabilities by providing innovative, scalable and stable systems. We are looking for a strong C++ Developer with experience in performance and optimization.   In this role you...

Susquehanna International Group (SIG) is seeking a Software Developer to join a team responsible for designing and developing low-latency trading systems for our Index Desk.  As a developer on this team, you will work closely with traders and top technologists to enhance our trading capabilities by providing innovative, scalable and stable systems.We are looking for a strong C++ Developer with experience in performance and optimization.   In...