• Design and develop native Android applications • Implement secure authentication and membership flows (Auth0) • Integrate apps with cloud-based services and REST APIs • Collaborate closely with Product, UX, and Backend teams • Ensure high performance, reliability, and scalability of the app • Develop and maintain clean, reusable, and testable Kotlin code • Participate in CI/CD deployment pipelines for Android

About Us 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. About the Team 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. Overview As a Mobile Software Engineer III at Fanatics Betting & Gaming (FBG), you’ll be a hands-on engineer contributing to the development of modern, scalable mobile experiences using Kotlin and Compose Multiplatform. You’ll work as part of a collaborative team to build high-quality features, improve performance, and help evolve our mobile platforms. This is a great opportunity for someone with a solid foundation in mobile development who is looking to grow their skills in areas like Compose Multiplatform and Kotlin Multiplatform Mobile (KMM), while working in a fast-paced, product-driven environment. You’ll also have the opportunity to contribute to our Casino Backend-for-Frontend (BFF), written in Kotlin. You’ll join the Fanatics Casino team, which owns the full iCasino experience across Fanatics platforms, including our standalone Casino App, iCasino within the Fanatics Sportsbook & Casino App, and our Casino Desktop website. Our mission is to build the top online casino in the U.S., focused on fun, dynamic, personalised, entertainment-focussed products for our players. Our mobile stack is built for speed and scale, using technologies like Kotlin, Compose Multiplatform, and modern cross-platform approaches, enabling us to deliver high-quality features quickly while maintaining strong engineering standards. Responsibilities - Develop, test, and deploy mobile features using Kotlin and Compose Multiplatform - Contribute to building intuitive, responsive UI and reliable business logic - Work closely with product managers, designers, and engineers to deliver features end-to-end - Write clean, maintainable code that aligns with team standards and architecture - Participate in technical discussions and contribute ideas as you grow your experience - Support production systems by helping investigate and resolve issues when they arise - Take part in code reviews and learn from feedback to continuously improve - Contribute to improving test coverage, documentation, and overall code quality - Participate in sprint planning and Agile ceremonies - Build an understanding of our product and customer experience Required Qualifications - 4+ years of professional mobile development experience - Experience building mobile applications using Kotlin - Familiarity with modern Android UI frameworks - Understanding of mobile fundamentals (app lifecycle, state management, APIs) - Experience working in a collaborative, Agile development environment - Strong problem-solving skills and willingness to learn - Good communication skills and ability to work with cross-functional teams - Interest in learning new technologies and improving as an engineer Preferred Qualifications - Exposure to Compose Multiplatform or Kotlin Multiplatform Mobile (KMM) - Basic experience with Swift / SwiftUI or interest in cross-platform development - Familiarity with REST APIs and backend integration - Experience with CI/CD tools or automated testing - Interest in mobile performance, observability, or app quality improvements - Experience working in fast-paced or product-focused environments - Interest in gaming, mobile apps, or entertainment products Not sure if you check every box? If you’re excited about this role, enjoy working with Kotlin and mobile technologies, and are eager to grow your skills, we’d love to hear from you. We value curiosity, potential, and a strong learning mindset just as much as specific experience. Candidates must be based in either UK or Ireland to be considered. Unfortunately, we do not offer sponsorship. Depending on the role, your interview and onboarding experience may include in-person components, such as onsite interviews or Launching into Better: LIVE—a multi-day cultural immersion in New York City for full-time, non-seasonal hires. These sessions are designed to build connection and bring our culture to life, though specific travel and participation requirements will be confirmed based on your role and location. Your recruiter will provide clear guidance at each stage of the process. For information about our benefits, please visit https://benefitsatfanatics.com/

About Us 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. About the Team 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. Senior Mobile Engineer - Kotlin (Full-Stack) Overview As a Senior Software Development Engineer, Mobile at Fanatics Betting & Gaming (FBG), you are a senior individual contributor with strong Kotlin expertise and a passion for building modern, scalable mobile experiences. While mobile development remains core to this role, we are specifically looking for engineers who can operate across the full stack, contributing to both client applications and the backend systems that power them. You bring deep experience with Kotlin (or Java), Jetpack Compose, and modern Android architecture, alongside hands-on experience building or contributing to backend services in distributed systems. You are comfortable working on Backends for Frontends (BFFs), API layers, and mobile-adjacent platform tooling that supports performant, real-time user experiences. You thrive in a fast-paced, product-driven environment where your hands-on expertise, architectural thinking, and collaborative mindset make an impact. You write scalable, maintainable code across client and server layers, contribute to technical direction, and help level up those around you. You’ll join the Fanatics Casino team, which owns the full iCasino experience across Fanatics platforms, including our standalone Casino App, iCasino within the Fanatics SportsBook & Casino App, and our Casino Desktop website. Our mission is to build the top online casino in the U.S., with an emphasis on fun, dynamic, and entertainment-first products that resonate with our most valuable customer segment: Spinners. Our mobile stack is powered by Kotlin, Jetpack Compose, Compose Multiplatform, SwiftUI, and Kotlin Multiplatform Mobile (KMM). Our backend systems leverage Kotlin/Java-based services and distributed system patterns to support scale, performance, and real-time interactions. Responsibilities - Develop, test, document, and deploy high-quality mobile software using Kotlin and Jetpack Compose. - Contribute to backend services supporting mobile clients, including BFF patterns and mobile-optimised APIs. - Design and implement scalable backend components using Kotlin or Java within distributed systems. - Build and evolve UI and business logic using Compose and shared Kotlin code, aligning with our cross-platform strategy. - Work on real-time communication patterns such as WebSockets, Server-Sent Events (SSE), or GraphQL where appropriate. - Collaborate with backend and platform teams to design API gateways and mobile-facing services. - Deliver features end-to-end, from functional requirements through implementation, testing, release, and iteration. - Contribute to technical design discussions spanning client and server boundaries. - Participate in our on-call rotation and help resolve production issues across both mobile and backend systems. - Improve testability, reliability, observability, and documentation while executing on refactoring and tech debt reduction. - Mentor junior engineers and contribute to shared libraries and platform standards. - Contribute to sprint planning, estimation, and retrospective processes. - Develop a strong understanding of the iCasino product and how backend design directly impacts mobile performance and experience. Required Qualifications - Minimum 5+ years of professional software development experience. - Strong Kotlin (or Java) expertise with production experience. - Hands-on experience building Android apps using Jetpack Compose. - Experience contributing to backend services in distributed systems. - Experience working with REST APIs and designing mobile-optimised backend integrations. - Solid understanding of mobile architecture, app lifecycle, state management, and modern UI design principles. - Strong understanding of distributed systems fundamentals (scalability, resilience, state management). - Experience with real-time or event-driven systems (e.g., WebSockets, SSE, messaging systems, or GraphQL). - Demonstrated ability to deliver high-quality, maintainable code across client and server layers. - Strong debugging and problem-solving skills, especially in production environments. Preferred Qualifications - Experience building or maintaining Backends for Frontends (BFFs). - Familiarity with API gateways and edge-layer concerns. - Experience working with Content Management Systems (CMS) or tooling that supports dynamic mobile content. - Experience with Compose Multiplatform and/or Kotlin Multiplatform Mobile (KMM). - iOS development experience (Swift / SwiftUI). - Experience in CI/CD environments (GitHub Actions, Bitrise, etc.). - Understanding of observability practices (logging, crash reporting, performance monitoring). - Exposure to high-growth or startup environments. - Passion for mobile gaming, entertainment products, or real-time user experiences. Not sure if you check every box? If you're excited about this role, passionate about Kotlin across mobile and backend systems, and interested in building world-class entertainment experiences powered by modern distributed architectures — we encourage you to apply. We value strong engineers who can operate across layers and think holistically about user experience and system design. Depending on the role, your interview and onboarding experience may include in-person components, such as onsite interviews or Launching into Better: LIVE—a multi-day cultural immersion in New York City for full-time, non-seasonal hires. These sessions are designed to build connection and bring our culture to life, though specific travel and participation requirements will be confirmed based on your role and location. Your recruiter will provide clear guidance at each stage of the process. For information about our benefits, please visit https://benefitsatfanatics.com/

About Us 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. About the Team 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. As a Senior Android Software Engineer at Fanatics, you'll design, develop, test, and maintain scalable, high-quality systems to deliver exceptional customer experiences. We work on the Fanatics App, the brand-forward application of Fanatics that encompasses elements of all of our different brands and businesses. The Fanatics App brings together Free to Play sports games, live events, ecommerce, and new product experiences to deliver a new sports platform. Fundamentally, we are one team in everything we do from the user experience to coding and architecture. In order to deliver on our Customer Promise, we use best in class technologies; thus allowing platforms to be as up to date as possible so that we can rapidly deliver and innovate in this exciting new market and technical platform. Responsibilities - Develop, test, document, and deploy high quality software into production - Build features and tools that you and your team use - Participate in the on-call rotation when needed to troubleshoot software issues - Escalate when tasks or projects hit roadblocks - Participate in code reviews to maintain code quality and share knowledge - Contribute to team planning and design discussions, building more expertise around design approaches - Impact software quality and customer experience of product features - Improve testability, operational excellence metrics, and team documentation - Help your team define and adhere to the principles, guidelines, and best practices of our engineering strategy - Develop a fundamental understanding of our industry, product, feature set and roadmap - Work closely with our product team and other internal stakeholders to make technology decisions that grow and improve our products - Help to onboard and mentor junior engineers and interns - Remain current on the latest technologies and trends in software development - Must be open to occasional travel to Fanatics offices and other locations for conferences, events, meetings, and team-building activities Required Qualifications - 5+ years of experience building highly scalable and fault tolerant mobile applications using Kotlin - Able to effectively communicate complex technical subjects to a variety of audiences (engineers, technical leaders, marketing and operations teams, non-technical functional leaders) - Familiar with Agile software product delivery and SCRUM methodology - Excellent analytical and problem solving skills - You have an agile mindset; able to embrace new initiatives in a fast-paced environment - Thrives in an entrepreneurial, hyper-growth environment where priorities evolve regularly and decisions are made quickly - Team-first mentality, with a willingness to do what it takes to get the job done and a desire to strive for better - Able to effectively work cross-functionally within an enterprise environment - Experience with RESTful APIs, both writing and integrating with them Preferred Qualifications - Experience working in a start-up environment - Experience with Kotlin Multiplatform - Experience with Jetpack Compose - Experience with Java and/or Go - Experience with or exposure to server-driven user interfaces (SDUI) especially combined with experimentation (e.g., A/B testing) If you possess some of these qualifications but not all of them, we still encourage you to apply! Depending on the role, your interview and onboarding experience may include in-person components, such as onsite interviews or Launching into Better: LIVE—a multi-day cultural immersion in New York City for full-time, non-seasonal hires. These sessions are designed to build connection and bring our culture to life, though specific travel and participation requirements will be confirmed based on your role and location. Your recruiter will provide clear guidance at each stage of the process. For information about our benefits, please visit https://benefitsatfanatics.com/ Ranges will change based on country and state of residence, which are reflected in Geographical Zones defined by Fanatics Betting and Gaming. The range incorporates all of our Geographical Compensation Zones and is subject to change as the Zone associated with the actual offer is confirmed. In addition to the base and bonus, full-time employment, and more. For information about our benefits, please visit https://benefitsatfanatics.com/ Salary Range $162,000—$200,000 USD