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 Fanatics Collectibles is a new company operating at the intersection of collectibles, culture, and technology. Backed by world-class investors, operators, and sports & entertainment partners, we are building the global leader in next-generation collectibles. As part of the broader Fanatics ecosystem, we leverage a digital sports platform that spans over 900 sports properties and engages more than 81 million fans. Together, we are reimagining every part of the collectibles experience for fans, partners, and creators. Role Summary Fanatics Collect is building a trusted marketplace where collectors can securely store, discover, buy, and sell trading cards. We are seeking a Senior Full Stack Engineer to develop the customer experiences and platform capabilities that power the Collect marketplace, including Vault, Buy Now, auctions, and the tooling used to manage marketplace operations. In this role, you will own complex features across the technology stack, from intuitive web experiences to scalable services and data models. You will partner with product, design, operations, and engineering teams to deliver reliable marketplace experiences that make collecting easier, faster, and more engaging. As part of Fanatics Collectibles’ continued global growth, we are establishing a new technology hub in Mexico City focused on operational excellence, platform scalability, trust, and customer experience. This team partners closely with Customer Experience (CX), Trust & Safety, Fraud Prevention, Payments, and Financial Operations organizations to build scalable systems and operational tooling that support millions of users and transactions globally. What You’ll Do * Design, build, test, deploy, and operate full-stack features supporting Vault, Buy Now, auctions, and marketplace tooling. * Develop intuitive customer experiences for managing vaulted assets, creating listings, placing bids, purchasing collectibles, and tracking transactions. * Build scalable backend services and APIs that support marketplace workflows, inventory, listings, bidding, and order lifecycles. * Strengthen the reliability and integrity of time-sensitive and transaction-heavy experiences, including live auctions and high-demand product activity. * Translate complex marketplace and operational requirements into maintainable technical solutions. * Partner with product managers and designers to shape requirements, evaluate tradeoffs, and deliver high-quality customer experiences. * Collaborate with platform, infrastructure, data, security, and other engineering teams to build integrated solutions across the Collect ecosystem. * Improve application performance, observability, testing, deployment practices, and production readiness. * Diagnose complex production issues, contribute to incident response, and drive root-cause fixes. * Establish reusable patterns and engineering practices that improve the quality and velocity of full-stack development. * Provide thoughtful code reviews, technical guidance, and mentorship to other engineers. * Contribute to architectural decisions and help evolve the marketplace technology roadmap. What We’re Looking For * Five or more years of professional software engineering experience, including meaningful ownership of full-stack applications. * Strong experience building modern web applications using technologies such as React, TypeScript, or comparable frameworks and languages. * Experience developing backend services and APIs using languages and frameworks such as Node.js, Java, Kotlin, Go, Python, or similar technologies. * Strong understanding of data modeling and experience working with relational or non-relational databases. * Experience designing and operating scalable, reliable, customer-facing systems in a production environment. * Understanding of distributed systems, asynchronous processing, caching, and event-driven architecture. * Experience with automated testing, continuous integration and delivery, observability, and cloud-based deployment. * Ability to break down ambiguous problems, make sound technical decisions, and deliver solutions across multiple systems. * Strong product judgment and an appreciation for how technical decisions affect customers and business operations. * Clear communication skills and the ability to collaborate effectively across engineering, product, design, and operational teams. Preferred Qualifications * Experience building e-commerce, marketplace, fintech, auction, inventory, or other transaction-oriented products. * Experience developing real-time or time-sensitive functionality, such as bidding, pricing, notifications, or live-event experiences. * Familiarity with payments, order management, fulfillment, identity, fraud prevention, or marketplace trust and safety. * Experience supporting internal operational tools alongside external customer experiences. * Interest in trading cards, collectibles, marketplaces, or collector communities. How You’ll Make an Impact You will help shape the technology that connects physical collectibles with digital marketplace experiences. Your work will enable collectors to confidently manage vaulted assets, participate in auctions, purchase cards, and engage with the Collect marketplace at scale. Ensure your Fanatics job offer is legitimate and don’t fall victim to fraud. Fanatics never seeks payment from job applicants. Feel free to ask your recruiter for a phone call or other type of communication for interview, and ensure your communication is coming from a Fanatics email address (including @collectfanatics.com). For added security, where possible, apply through our company website at www.fanaticsinc.com/careers By submitting your application, you agree to our terms of service and acknowledge you have read our Candidate Privacy Policy. Fanatics will never ask candidates for money, banking information, or other sensitive personal information as part of the interview process. If you receive a suspicious message claiming to be from Fanatics recruiting, please do not respond and report it here.

Senior Full-Stack Engineer

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