Software Developer | C# | ETF | Experienced Hire

SIG Susquehanna; Bala Cynwyd (PA); On-site; USD 100,000 - 130,000; Full time

Job summary

A leading quantitative trading firm in Pennsylvania is seeking a Senior Software Engineer to enhance its ETF Development Team. the ideal candidate will have 3+ years of C# development experience and familiarity with Python, C++, or JavaScript/TypeScript is advantageous. Responsibilities include developing frontend interfaces for trading strategies and collaborating with teams across global offices. This role promises an exciting opportunity to grow in a dynamic environment where technology meets finance.

Qualifications

• 3+ years of progressive experience developing software applications with C#.
• Experience in a collaborative environment with traders and researchers.
• Comfortable in a fast-paced setting.

Responsibilities

• Create and maintain robust, user-friendly frontend interfaces for trading strategies.
• Build quantitative signal generators that feed trading strategies.
• Facilitate international growth by coordinating with Europe and Asia.

Skills

C#

Python

C++

JavaScript/TypeScript

Financial markets familiarity

Education

BS or MS in Computer Science, Computer Engineering or similar

Job description

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:

• 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 C# development to join us. Your role will involve developing strategy signals, control surfaces, and observability interfaces for managing strategies and signal generators.

Our technology ecosystem primarily utilizes Python, C++, C#, and JavaScript/TypeScript. The ecosystem operates within a mixed Linux and Windows 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+ years of progressive experience developing software applications with C#
• Familiarity with financial markets is a plus
• Python, C++, or Javascript/Typescript experience is a plus
• Comfortable working in a fast-paced, collaborative environment with traders, researchers, and other developers to iterate quickly on ideas
• 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.

What we do

We are experts in trading essentially all listed financial products and asset classes, with a focus on derivatives trading. Through market making and market taking, we handle millions of trading transactions around the world every day, providing liquidity and ensuring competitive prices for buyers and sellers. While our presence in the market is broad, our trading desks are highly specialized, allowing for a deep understanding of unique drivers of each asset class.

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

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