Penn Interactive (PI) is an interactive gaming company headquartered in Philadelphia, serving as the digital arm of PENN Entertainment (NASDAQ: PENN), the largest regional casino operator in the U.S. Their mission is to challenge gaming industry norms by creating responsible, innovative, and fun interactive gaming experiences. As a Staff Software Developer in the Trading team, you'll work on building and maintaining key platform components, developing tools for internal traders to manage risk and exposure, and integrating with third parties for real-time market and wager data processing. The role demands expertise in Elixir, Phoenix, and LiveView, with a focus on high-performance, scalable systems. You'll collaborate with a distributed team of engineers, product managers, and designers to deliver top-tier apps. The position requires strong computer science fundamentals, experience with production systems at scale, and proficiency in modern web frameworks and databases. Penn Interactive offers a competitive compensation package, a relaxed work environment, education reimbursements, parental leave top-up, and career growth opportunities.