Machine Learning Engineer III - FES

<div class="content-intro"><h2 class="job-details__description-header text-color-secondary font-family-secondary" data-bind="i18n: 'job-details.employer-description-title'">About Us</h2> <div class="job-details__description-content basic-formatter" data-bind="html: pageData().job.corporateDescription"> <div>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 &amp; 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.&nbsp;</div> </div> <p>&nbsp;</p></div><p><strong>About The Team</strong></p> <p>We are the Fan Ecosystem Data team, responsible for enhancing decision-making and innovation across the entire Fanatics ecosystem through data and analytics. We build products that turn disparate data streams into real-time actionable insights, empowering teams to unlock greater value for our customers and stakeholders across every Fanatics surface.</p> <p>We are seeking a Machine Learning Engineer III to own the infrastructure and systems that bring our data science models to life at scale. As our Data Scientists and Data Engineers build the models that understand and predict fan behavior, you build the platforms that serve those models in production.</p> <p><strong>Responsibilities</strong></p> <ul> <li>Own the end-to-end ML infrastructure for recommendation, personalization, and LTV scoring systems, from feature engineering through model deployment and monitoring.&nbsp;</li> <li>Build and maintain real-time and batch feature pipelines that serve low-latency predictions across the FanApp recommendation experience and cross-vertical personalization use cases.&nbsp;</li> <li>Develop and scale model serving infrastructure that supports high-throughput, high-availability prediction across Fanatics' multi-product ecosystem.&nbsp;</li> <li>Partner directly with Data Scientists to productionize LTV, churn, propensity, and ranking models and bridge the gap between experimentation and reliable production systems.&nbsp;</li> <li>Build and maintain embedding pipelines that generate and refresh user and item representations powering personalization and affinity modeling at scale.&nbsp;</li> <li>Implement and maintain A/B testing and experimentation infrastructure that enables reliable measurement of model and feature impact in production.&nbsp;</li> <li>Collaborate with Data Engineers, Analytics Engineers, and Product teams to identify data sources, enforce data quality standards, and ensure models are fed with accurate, timely signals.&nbsp;</li> <li>Drive continuous improvement of model accuracy, latency, and throughput through iterative optimization and monitoring frameworks.&nbsp;</li> </ul> <p><strong>Experience And Skills</strong></p> <ul> <li>3–5+ years in a machine learning engineering or data engineering role, with a degree in a quantitative field (Computer Science, Mathematics, Statistics, Engineering, or equivalent).&nbsp;</li> <li>Strong Python proficiency and deep familiarity with production ML workflows, including packaging, versioning, deployment, and monitoring.&nbsp;</li> <li>Hands-on experience with end-to-end ML platforms such as Databricks, AWS SageMaker, or equivalent, including model registry and serving components.&nbsp;</li> <li>Proven experience building real-time feature pipelines and model serving systems that operate at scale with strict latency and uptime requirements.&nbsp;</li> <li>Experience building or scaling recommendation or ranking systems in production, including embedding pipelines and low-latency inference infrastructure.&nbsp;</li> <li>Solid understanding of distributed systems and large-scale data processing (e.g. Spark, Kafka, or equivalent).&nbsp;</li> <li>Strong SQL proficiency and experience working with relational and dimensional data models.&nbsp;</li> <li>Practical understanding of the mathematics underlying modern ML (linear algebra, probability, optimization) sufficient to partner effectively with Data Scientists on model design and debugging.&nbsp;</li> <li>Familiarity with experimentation infrastructure and A/B testing frameworks, including exposure bias handling and metric integrity in production environments.&nbsp;</li> </ul> <p><strong>Preferred But Not Required</strong></p> <ul> <li>Experience with feature stores (e.g. Feast, Tecton) and their role in supporting both real-time and batch ML use cases</li> <li>Experience with ML observability tooling, including drift detection, prediction monitoring, feature freshness alerting</li> </ul> <p>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.</p> <p>For information about our benefits, please visit&nbsp;<a href="https://benefitsatfanatics.com/">https://benefitsatfanatics.com/</a></p><div class="content-pay-transparency"><div class="pay-input"><div class="description"><p>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&nbsp;<a href="https://benefitsatfanatics.com/">https://benefitsatfanatics.com/</a></p> <p>&nbsp;</p> <p>&nbsp;</p></div><div class="title">Salary Range</div><div class="pay-range"><span>$117,000</span><span class="divider">&mdash;</span><span>$167,000 USD</span></div></div></div><div class="content-conclusion"><p>By submitting your application, you agree to our terms of service and acknowledge you have read our&nbsp;<a href="https://static1.squarespace.com/static/5ff494b9931735466ce28d5b/t/69de53bde2c02c25e9c38758/1776178110037/Candidate+Privacy+Policy+April+2026.pdf" target="_blank">Candidate Privacy Policy.</a></p></div>