> Markdown version of [/jobs/ext/4530634-software-developer-market-data-libraries-tools](https://www.wearedevelopers.com/jobs/ext/4530634-software-developer-market-data-libraries-tools). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Developer | Market Data | Libraries & Tools - **Company:** Susquehanna International Group, LLP - **Location:** Lower Merion Township, PA, United States - **Contract:** Permanent contract - **Skills:** Microsoft Windows, C++ (Programming Language), Computer Engineering, Data Structures, Software Debugging, Linux, Python (Programming Language), Performance Tuning, Software Engineering, Scripting, High Performance Computing, Information Technology, Data Management, Restful APIs - **Published:** October 31, 2026 - **Apply:** https://www.careerbuilder.com/job-details/software-developer-market-data-libraries-tools-bala-cynwyd-pa--f64c709c-30ea-4b18-a1eb-fad965cd734a ## About the Role Software Development, Data Structures, REST (Representational State Transfer), Linux Operating System, Identify Issues, Python Programming/Scripting Language, Microsoft Windows Operating System, C++ Programming Language, Data Management, Technical/Engineering Design, * BS or MS in Computer Science, Computer Engineering or a similar major. * Strong understanding of high-performance computing using C++ is required * Excellent attention to detail and accuracy and a thorough understanding of performance optimization / latency reduction methodologies * Ability to work closely with other software developers, traders, quants, and infrastructure teams ## Description You will work collaboratively with other technologists, traders, and quants to design and engineer tools aimed at debugging, troubleshooting, analysis, and management of market data, while also interfacing with RESTful services across both Linux and Windows environments in C++ and Python.