Senior Staff, Software Engineer

At Fanatics Betting & Gaming (FBG), a core division of Fanatics’ mission to deliver the ultimate end-to-end digital sports platform, we’re building a world where every dimension of a sports fan’s passion is realized. We’re looking for a Senior Staff, Software Engineer to join our OddsFactory team. In this pivotal role, you’ll take on broad technical ownership and strategic leadership, driving mission-critical efforts in our risk and trading domain. Your work will not only power the foundation of FBG’s operations but help define the future of how fans engage with sports through the Fanatics ecosystem. 

As a Senior Staff Engineer, you’ll be entrusted with architecting and evolving real-time systems that are essential to our product strategy and platform excellence. You’ll operate with significant autonomy, lead by example, and deliver forward-thinking solutions that enhance both performance and fan experience at scale.

In this role, you will shape our engineering culture, influence long-term technical direction, and mentor across teams—championing innovation, resilience, and engineering excellence. You’ll engage with some of the most complex problems in sports technology, setting the bar for what’s possible.

Join us at Fanatics Betting & Gaming, where your deep technical expertise and strategic mindset will have outsized impact. Help us reshape the intersection of sports, betting, and technology.

Responsibilities

• Lead the architecture and delivery of scalable, resilient, and secure solutions within a high-throughput event-driven ecosystem.
• Solve deep, systemic challenges that require both strategic foresight and technical precision.
• Set engineering standards by developing modular, performant, and maintainable code that leads by example.
• Own the full product lifecycle—including design, deployment, observability, and long-term maintenance—ensuring platform reliability at scale.
• Collaborate cross-functionally with Product, Quant, and Engineering leadership to align technical execution with business goals.
• Apply advanced software design methodologies and guide the selection of appropriate technologies across the stack.
  Translate complex business requirements into impactful, sustainable technical solutions.
• Demonstrate deep fluency in .NET technologies, contributing to a culture of best practices, continuous improvement, and technical excellence.
• Mentor senior engineers, fostering growth through technical guidance, architectural reviews, and team enablement.
• Participate in the on-call rotation, supporting the operational health of our platform.
• Be available for occasional travel to attend key offsites and collaborate with distributed teams.
   

Required Qualifications

• 10+ years of experience designing and delivering high-performance, scalable systems in production environments.
• Proven experience in leading architecture and strategy for complex, mission-critical systems.
• Exceptional communication skills, with the ability to influence at all levels and translate technical vision for non-technical audiences.
• Advanced analytical thinking and creative problem-solving capabilities.
• A leadership mindset with a bias toward ownership, initiative, and continuous improvement.
• Deep understanding of software architecture principles, including SOLID, TDD, BDD, and event-driven design.
• Strong experience with cloud infrastructure (Azure preferred), C#, and relational/non-relational data stores.
• Passion for engineering craft and a commitment to mentoring and team development.
   

Preferred Qualifications

• Experience in or deep interest in the sports betting domain.
• Expertise in Domain-Driven Design (DDD) and event sourcing.
• Ability to bridge strategic business objectives with scalable technical solutions.
• Strong track record of cross-functional leadership and influence.
• Experience in high-growth or startup environments.
• Enthusiastic about contributing to a collaborative, mission-driven engineering culture.

Ready to build the future of sports betting? If you possess some of these skills but not all of them, we still encourage you to apply!Please note that visa sponsorship is not available for this position. We are open to fully remote candidates based in Ireland, but we strongly encourage those who can join us on campus two days per week.

Fanatics is building a leading global digital sports platform. We ignite the passions of global sports fans and maximize the presence and reach for our hundreds of sports partners globally by offering products and services across Fanatics Commerce, Fanatics Collectibles, and Fanatics Betting & Gaming, allowing sports fans to Buy, Collect, and Bet. Through the Fanatics platform, sports fans can buy licensed fan gear, jerseys, lifestyle and streetwear products, headwear, and hardgoods; collect physical and digital trading cards, sports memorabilia, and other digital assets; and bet as the company builds its Sportsbook and iGaming platform. Fanatics has an established database of over 100 million global sports fans; a global partner network with approximately 900 sports properties, including major national and international professional sports leagues, players associations, teams, colleges, college conferences and retail partners, 2,500 athletes and celebrities, and 200 exclusive athletes; and over 2,000 retail locations, including its Lids retail stores. Our more than 22,000 employees are committed to relentlessly enhancing the fan experience and delighting sports fans globally. 

Launched in 2021, Fanatics Betting and Gaming is the online and retail sports betting subsidiary of Fanatics, a global digital sports platform. The Fanatics Sportsbook is available to 95% of the addressable online sports bettor market in the U.S. Fanatics Casino is currently available online in Michigan, New Jersey, Pennsylvania and West Virginia. Fanatics Betting and Gaming operates twenty-two retail sports betting locations, including the only sportsbook inside an NFL stadium at Northwest Stadium. Fanatics Betting and Gaming is headquartered in New York with offices in Denver, Leeds and Dublin.