Senior Software Developer, Trading

PENN Entertainment, Inc. is North America’s leading provider of integrated entertainment, sports content, and casino gaming experiences. From casinos and racetracks to online gaming, sports betting and entertainment content, we deliver the experiences people want, how and where they want them.

We’re always on the lookout for those who are passionate about creating and delivering cutting-edge online gaming and sports media products. Whether it’s through ESPN BET, Hollywood Casino, theScore Bet Sportsbook & Casino, or theScore media app, we’re excited to push the boundaries of what’s possible. These state-of-the-art platforms are powered by proprietary in-house technology, a key component of PENN’s omnichannel gaming and entertainment strategy.

When you join PENN Entertainment’s digital team, you’ll not only work on these cutting-edge platforms through theScore and PENN Interactive, but you’ll also be part of a company that truly cares about your career growth. We’re committed to supporting you as you expand your skills and explore new opportunities.

With locations throughout North America, you can build a future at PENN Entertainment wherever you are. If you want to challenge conventions in gaming, media and entertainment, we want to talk to you.

About the Role & Team

As part of the team, you will be working with a distributed team of smart, friendly, and dedicated Engineers, Product Managers and Designers determined to deliver some of the best apps the market has to offer. We want you to be challenged and to get the full experience of what it’s like to work here!

The Trading team builds and maintains a key component of our platform. We develop tools for our internal traders to manage our risk and exposure as bets are being placed. We integrate with third parties and the rest of the platform to ingest, in real time, market and wager data. Our team operates with very rigorous constraints around latency, throughput and up-time.

About the Work

• Develop and maintain event-driven systems built with Elixir (Phoenix LiveView, Broadway, Commanded), Postgres, Redis and Apache Kafka
• Design and build scalable data feed integrations and gRPC/REST services
• Tackle complex, high-impact technical challenges and drive proposals across teams and leadership
• Shape architecture and delivery of new features in a collaborative agile setting
• Work with other teams to build and evolve internal service integrations
• Set up and improve monitoring and alerting (DataDog, Bugsnag, PagerDuty)
• Identify system bottlenecks and risks; drive long-term scalability improvements
• Support product teams with technical planning, specs, and performance guidance
• Mentor engineers and contribute to evolving engineering practices and standards

About You

• A solid foundation in computer science, with competencies in data structures, distributed systems, algorithms and software design
• Significant experience operating production systems at scale, including performance tuning and monitoring
• Proven ability to build reliable, high-throughput distributed systems and real-time data pipelines
• Comfortable participating in on-call rotations and navigating live production issues
• Hands-on experience with event-driven systems (Kafka, RabbitMQ, SQS/SNS, Pub/Sub)
• Experience with modern web frameworks and API development (Phoenix, Ruby on Rails, Sinatra, Django, Laravel, Node)
• Strong experience with relational databases (Postgres, MySQL), Redis, and Redis Cluster
• Familiar with Kubernetes, CI/CD pipelines, Git workflows, and terminal-based tooling
• Experience with testing frameworks such as ExUnit, RSpec, Jest, pytest or equivalent.
• Familiarity working with cloud platforms like Google Cloud, Azure or AWS
• Experience with background job processing (Oban, Exq, Sidekiq, Celery, Beanstalk).
• NICE TO HAVE:Experience with Kafka, hexagonal architecture, Domain Driven Development, contribution to open source software, experience working at startups, passion for sports and/or esports.

What We Offer

• Competitive compensation package
• Fun, relaxed work environment
• Education and conference reimbursements.
• Parental leave top up

Penn Interactive is proud to be an equal opportunity workplace. We will consider all qualified applicants for employment without regard to race, color, religion, age, sex, sexual orientation, gender identity, national origin, disability, veteran status, genetic information, or any other basis protected by applicable law.Base pay is one part of the Total Rewards that Penn Interactive provides to compensate and recognize employees for their work. Most sales positions are eligible for a Commission under the terms of an applicable plan, while most non-sales positions are eligible for a Bonus. Additionally, Penn Interactive provides best-in-class benefits to eligible employees. We believe that benefits should connect you to the support you need when it matters most, and should help you care for those who matter most. That’s why we provide an array of options, expert guidance and always-on tools, that are personalized to meet the needs of your reality – to help support you physically, financially and emotionally through the big milestones and in your everyday life.