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Staff Software Engineer – Mobile (Kotlin / Multiplatform) Overview
(UK & Ireland only)
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 Staff Software Engineer – Mobile at Fanatics Betting & Gaming (FBG), you are a highly experienced individual contributor and technical leader with deep expertise in Kotlin-based mobile development and a strong track record of shaping mobile architecture at scale. You bring expert-level experience with Kotlin and Jetpack Compose, along with proven ownership or strong experience driving Kotlin Multiplatform Mobile (KMM) and Compose Multiplatform strategies.
You operate as a technical authority and force multiplier, setting direction across teams, influencing architectural decisions, and elevating engineering standards. You thrive in a fast-paced, product-driven environment where your combination of hands-on delivery, strategic thinking, and cross-functional leadership has a measurable impact on both engineering outcomes and customer experience.
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 Kotlin, Jetpack Compose, Compose Multiplatform, SwiftUI, and KMM. As a Staff Engineer, you will play a key role in evolving this ecosystem—driving cross-platform strategy, platform consistency, and engineering excellence across teams.
Responsibilities
Required Qualifications
Preferred Qualifications
Not sure if you check every box?
If you're excited about this role, passionate about Kotlin and modern mobile architecture, and motivated by the opportunity to shape cross-platform strategy at scale, we encourage you to apply.
We believe great engineers come from all kinds of backgrounds. We value impact, technical leadership, and a growth mindset just as much as specific tool experience.
Unfortunately, we do not offer sponsorship and you do need to be living in the UK or Ireland 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/