Senior Software Engineer, Full Stack; FES

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 Sports book 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.

Every time a fan places a bet, earns a reward, or checks out on Fanatics — Fanatics Core made that possible. We build the shared foundations — identity, payments, loyalty, wallet, data, and platform — that power sports betting, ecommerce, collectibles, and beyond. We supercharge the business by providing products and capabilities so that teams can focus on what matters most: building delightful experiences for the fans.

Fanatics is uniquely positioned at the intersection of sports commerce, betting, and collectibles, and Fanatics ONE is the loyalty and identity program that ties it all together. As part of the Loyalty SDK team at Fanatics, we build the technology that powers how fans see and interact with Fan Cash across the entire company. Our SDKs and services sit at the heart of the customer journey, enabling every brand and product team to deliver consistent and seamless loyalty experiences.

Overview

As a Senior Software Engineer at Fanatics, you will design, build, and operate the platforms and services that power the Fan Ecosystem — the systems that connect fans to every Fanatics product and experience. You will own significant technical surface area end to end, set the technical direction for projects that span multiple services and teams, and raise the engineering bar for those around you through mentorship, design leadership, and hands-on delivery.

This is a hands-on, full-stack role with a backend center of gravity. The majority of your work will be building high-throughput, high-availability services in Go, with meaningful contributions to the Type Script/React front ends those services support.

Responsibilities

• Design, build, test, document, and operate high-quality, production-grade software with a focus on Go services and APIs
• Own the technical design of medium-to-large features and systems: define the approach, weigh trade-offs, document decisions, and drive them to completion
• Break down ambiguous problems into well-scoped, deliverable work for yourself and other engineers on the team
• Lead and participate in design and architecture reviews; provide clear, constructive feedback that improves both the design and the designer
• Set the standard in code reviews — for correctness, readability, testability, and operational safety
• Mentor and grow engineers on the team; onboard new hires and act as a technical point of contact for your systems
• Participate in and improve the on-call rotation: instrument your services, drive incident response, and lead blameless post-mortems that result in real…