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Software Developer | C# | ETF | Experienced Hire

Susquehanna International Group, LLP
Philadelphia, PA Other
POSTED ON 5/28/2026
AVAILABLE BEFORE 4/29/2027

Overview

Susquehanna International Group is seeking a senior software engineer to join our ETF Development Team.  This team delivers innovative datasets, advanced applications, and sophisticated trading strategies to enhance the ETF trading desk's initiatives. We operate in an environment that thrives on a mix of quantitative, strategic, and frontend development skills. Our primary aim is to seamlessly integrate software developers, quantitative researchers, and traders, fostering a dynamic and expanding business.

 

In this role, your responsibilities will include:

  • Curating high-value datasets to support traders and quantitative researchers in generating insightful market analyses.
  • Creating and maintaining robust, user-friendly frontend interfaces for trading strategies and signal generators.
  • Building quantitative signal generators that feed trading strategies.
  • Facilitating international growth by working closely with our business counterparts in Susquehanna's Europe and Asia offices.

We are seeking an individual with proficiency in Python and Javascript/Typescript development to join us. Your role will involve developing datasets, strategy signals, and control surfaces for managing strategies and signal generators. Visualizations will also form a significant part of your contribution.

 

Our technology ecosystem primarily utilizes Python, C , and JavaScript/TypeScript, with custom UI development carried out via React. The ecosystem operates within a Linux environment.

 

We are a full-stack, collaborative team, with full ownership of the Software Development Life Cycle (SDLC), spanning from requirements gathering to deploying and supporting production software. An ideal candidate would be enthusiastic to learn about our business directly from stakeholders. Your role will be instrumental in helping us expedite the development of robust software and data solutions to foster our dynamic trading efforts.

 

What we’re looking for

  • BS or MS in Computer Science, Computer Engineering or a similar major.
  • 3 year of software development experience in any object oriented language (we use Python, JavaScript/TypeScript, and C the most).
  • Visa sponsorship is available for this position 

 

About Susquehanna

Susquehanna is a global quantitative trading firm powered by scientific rigor, curiosity, and innovation. Our culture is intellectually driven and highly collaborative, bringing together researchers, engineers, and traders to design and deploy impactful strategies in our systematic trading environment. To meet the unique challenges of global markets, Susquehanna applies machine learning and advanced quantitative research to vast datasets in order to uncover actionable insights and build effective strategies. By uniting deep market expertise with cutting-edge technology, we excel in solving complex problems and pushing boundaries together.

 

If you're a recruiting agency and want to partner with us, please reach out to recruiting@sig.com. Any resume or referral submitted in the absence of a signed agreement will not be eligible for an agency fee.

 

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