As a Software Development Engineer III – Mobile at Fanatics Betting & Gaming (FBG), you are a senior individual contributor with a strong foundation in iOS development (SwiftUI) and a solid grasp—or growing interest—in Android (Kotlin, Jetpack Compose) and Kotlin Multiplatform Mobile (KMM). 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, 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 built for speed and scale, powered by modern technologies like SwiftUI, Jetpack Compose, and KMM to deliver high-quality features quickly and consistently across platforms. We embrace best-in-class engineering practices, operational excellence, and cross-functional collaboration to continuously deliver on our customer promise—and have fun doing it.

Responsibilities

1. Develop, test, document, and deploy high-quality mobile software—primarily in iOS (SwiftUI), with growing contributions to Android (Kotlin, Jetpack Compose).
2. Deliver key features end-to-end, from functional requirements through implementation, testing, release, and iteration.
3. Build scalable, maintainable code that aligns with our mobile architecture and long-term product goals.
4. Collaborate closely with product managers, designers, and engineers across platforms to create intuitive, performant user experiences.
5. Participate in technical design and architecture discussions, bringing thoughtful opinions and a growth mindset to cross-platform problem-solving.
6. Contribute to our Kotlin Multiplatform Mobile (KMM) codebase and expand your knowledge of shared business logic as part of our cross-platform strategy.
7. Participate in our on-call rotation and help resolve production issues with urgency and care for the customer experience.
8. Engage in code reviews to uphold quality standards, share knowledge, and promote continuous improvement.
9. Improve testability, reliability, and team documentation while identifying and executing on opportunities for refactoring and tech debt reduction.
10. Help onboard and mentor junior engineers and interns, contributing to a strong team culture rooted in learning and collaboration.
11. Contribute to sprint planning, estimation, and retrospective processes with an eye toward team velocity and continuous improvement.
12. Develop a solid understanding of the iCasino product, customer segments, and how we deliver entertainment-first experiences.
13. Be open to occasional travel to Fanatics offices and events for planning, collaboration, and team-building activities.
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Required Qualifications

1. 5+ years of professional mobile development experience, with a strong foundation in iOS (Swift, SwiftUI).
2. Exposure to or experience with Android development using Kotlin and Jetpack Compose.
3. Willingness and curiosity to learn and contribute to Kotlin Multiplatform Mobile (KMM).
4. Solid understanding of mobile architecture, app lifecycle, state management, and UI design principles.
5. Demonstrated ability to deliver high-quality, maintainable code in a collaborative, Agile environment.
6. Strong problem-solving and debugging skills, especially in production environments.
7. Clear, thoughtful communicator—comfortable discussing technical trade-offs with engineers, product managers, and designers.
8. Growth mindset with a passion for learning new technologies and improving the customer experience.
9. Comfortable working in fast-paced, evolving environments with shifting priorities and tight feedback loops.
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Preferred Qualifications

1. Experience with Kotlin Multiplatform Mobile (KMM) or other shared code approaches across iOS and Android.
2. Familiarity with backend systems, REST APIs, and collaboration with backend and platform engineers.
3. Experience building and maintaining apps in a CI/CD environment with tools like GitHub Actions, Bitrise, or similar.
4. Understanding of observability practices (e.g., logging, crash reporting, performance monitoring) and a commitment to operational excellence.
5. Previous contributions to team standards, mentoring, onboarding, or shared libraries.
6. Exposure to hyper-growth or startup environments, where velocity and MVP-thinking are core to delivery.
7. Passion for the iCasino space, mobile gaming, or building entertainment-first user experiences.
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Not sure if you check every box?

If you're excited about this role, passionate about iOS development, curious about Android or Kotlin Multiplatform, and eager to build world-class mobile experiences—we encourage you to apply. We believe great engineers come from all kinds of backgrounds. We value potential, passion, and a growth mindset just as much as specific tool experience.

The expected salary range for this role is based on job-related knowledge, skills, and experience. This role is eligible for the Fanatics Betting and Gaming annual bonus program and an equity award. *Salary range is listed in USD; actual salary will vary based on location. *Salary Range: $160,000 - $240,000 per year (actual salary will be determined in part by a successful candidate’s geographic location). In addition to base salary, bonus, and equity, full-time employees are eligible for Medical, Dental, Vision, 401K, paid time off, and other benefits like GymPass, Pet Insurance, Family Care Benefits, and more. We’ll also give you $700 to set up your home office!

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.

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