We are Gelber Group -- Passion for Trading. Powered by Technology.

For more than 40 years, Gelber has been one of the industry's leading proprietary trading firms, combining entrepreneurial thinking with disciplined execution. Headquartered in Chicago, with offices and remote team members throughout the United States and Europe, we have built a reputation for innovation, longevity, and consistent performance. Through regulated businesses that include a FINRA-registered broker-dealer, a self-clearing Chicago Mercantile Exchange member firm, and an AFM-licensed MiFID II investment firm, Gelber is positioned to trade across all major global financial markets.

Our business is driven by a relentless pursuit of new trading opportunities and a deep commitment to technical excellence. We trade a diverse range of asset classes and financial instruments using strategies that span the full spectrum of trading—from high-frequency and systematic approaches to longer-term discretionary trading. This diversity creates an intellectually rich environment where ideas, perspectives, and expertise from across the firm contribute to our continued evolution.

Our culture is collaborative, entrepreneurial, and meritocratic. We empower talented people to take ownership, contribute meaningfully, and make an impact early in their careers. We believe our people are our greatest competitive advantage, and we invest in their development by providing meaningful responsibility, exceptional colleagues, and the resources they need to succeed. Our flat organizational structure and focus on a true meritocracy with competitive profit splits attracts individuals with an edge which contributes to our consistent success.

This position will require in person presence in our Chicago office located in River North right next to the Merchandise Mart and convenient to public transportation. This position will be flexible for hybrid (Tuesday-Thursday in office) once fully onboarded.

The Opportunity

As an (Associate) Software Engineer on our Integrations Team at Gelber, you will have a real opportunity to have a long-term career in Engineering at a successful trading firm. You will work side by side with other talented Engineers and interface with Traders every day. This role is for someone who flourishes in a fast-paced environment, has a strong work ethic, clear communicator, and has a strong interest in the financial markets. This position will report directly into the Manager of our Integrations Engineering team who reports directly into our Chief Technology Officer.

What you’ll do:

Communicate with engineers, traders, and quants to architect, design, develop, deploy, and support our proprietary trading applications and tools
Responsible for managing projects from conceptualization and requirements gathering to user adoption
Have a significant impact in development for our existing infrastructure in C#, as well as adding new features and applications for our human and algorithmic traders
Bridging the gap and communication between trading and technology and being that technical touchpoint for all trading
Become an expert in the entire trading pipeline and the software and technology that it is built upon, including the back end, front end, and everything in between
Provide real time support and bug fixes for live trading applications

What you’ll need:

Bachelor’s Degree in Computer Science, Computer Engineering, or related field
1-4 years of work experience working in C#, Java, or C++. C# Professional Experience Required.
1-4 years of work experience working with SQL
Python and Linux experience strongly preferred
Working familiarity of ChatGPT Codex
Strong understanding of and experience with an Object Oriented Programming language
Excellent communication skills specifically when it comes to understanding requirements and translating that into code and fixing bugs
Self-motivation and ability to work with others in a hybrid environment.
Understanding of the financial markets is not required, but preferred and must have a strong interest