Belvedere Trading is a leading proprietary trading firm proudly headquartered in downtown Chicago. Our traders work hard to provide liquidity to the market through their market-making activities and are the masters of a diverse set of commodities, interest rates, exchange-traded funds (ETF), and equity index options. From the beginning, we began iteratively investing in our proprietary technology and committing to building our systems from the ground up. Our trading models and software systems are continually re-engineered, optimized, and maintained to stay on top of the industry. This wouldn’t be possible without the dedicated efforts of our technology teams who utilize and perfect our innovative technology solutions.  High-performance proprietary development is the source of our success and competitive advantage at Belvedere, further fueling our passion for performance. We are a team driven by intellectual curiosity, seeking answers that will change not only how we trade in this technological age, but also the future landscape of the trading industry. We place a high premium on defining, developing, and deploying high-performance trading software using a team-based, holistic development approach. We look for passionate team members that excel and their contribution is critical to our continued success.  Belvedere Trading is seeking a Senior Software Engineer to design and build high-performance market data systems. This role focuses on ingesting and processing raw market data feeds, implementing exchange protocols such as CME and Cboe, and optimizing systems for concurrency, throughput, and ultra-low latency performance. You'll collaborate closely with traders, quantitative researchers, analysts, and engineers to solve complex challenges across technology, mathematics, and finance. The ideal candidate has experience building automated trading systems and a proven track record of developing scalable, architecturally sound solutions that directly support business objectives. What You'll Do • Design, develop, and optimize scalable, extensible trading applications, and deploy successful enterprise-level applications that can be leveraged across a variety of asset classes  • Work alongside traders to develop and deliver scalable and highly available software systems  • Improve the efficiency and effectiveness of our development process and reduce operational risk  • Maintain, support, and troubleshoot critical trading applications  • Deliver quality systems through automated testing and peer code review  • Apply industry knowledge and technical skills in new and innovative ways  • Encourage the use of best practices throughout the development process What You'll Need • 7+ years of Experience with C++ programming and Python scripting languages  • A strong understanding of object-oriented design, data structures, and algorithms  • Experience in high performance, multi-threaded, network-programming  • Demonstrated success in delivering automated trading systems is a plus  • Ability to take full ownership (design, implement, test, deploy, maintain) of projects  • Strong written and verbal communication skills  • Possess an entrepreneurial spirit  • Willingness to coach junior engineers in addition to teaching and learning from peers  • A degree in computer science or any related engineering discipline • Experience with financial market concepts, including options trading and engineering Core Values The secret to our award-winning culture is our Core Values: Team Belvedere, Me In Team, Own It, Iterative Innovation, and Passionate Discourse. We live and breathe these values every day.   Our Stance Belvedere is an Equal Opportunity Employer and is committed to providing a non-discriminatory employment environment for its employees. Discrimination against employees and applicants due to race, color, religion, sex, national origin, disability, age, military, and veteran status is prohibited. Belvedere encourages initiatives to increase diversity and provide equal opportunity to all applicants and employees. Belvedere is committed to providing a positive environment in which team members are treated with respect, dignity, and courtesy. Our firm believes in a dynamic culture of inclusion and diversity, where people thrive on individual and organizational characteristics, values, experiences, and backgrounds.   Please note that Belvedere Trading does not accept unsolicited resumes from search firms or employment agencies. Any unsolicited resumes will become the property of Team Belvedere. No phone calls, please.   Through our efforts to provide a safe environment for you and our team members, all interviews for this position will be conducted virtually via phone or video. We will continue to actively hire and onboard new team members virtually through the remainder of the year unless otherwise noted. Any questions regarding the virtual recruiting process, please reach out to recruiting@belvederetrading.com.   Work Schedule: Regular and reliable attendance during standard business hours with the ability to be on-site prior to the start of business on occasion  Amount of Travel Required: None Sponsorship: Not available for this position