Mobile Software Engineer III, iCasino - UK

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/

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