Full Stack Engineer, Growth

About Fanatics Collectibles Fanatics is committed to relentlessly enhancing the fan experience. As a leading global sports platform, Fanatics allows fans to buy, bet, and collect while engaging with sports in deeper, more immersive ways. Fanatics is redefining how fans connect with their favorite teams and players. Through its businesses—Fanatics Commerce, Fanatics Collectibles, Fanatics Betting & Gaming, Fanatics Events, Fanatics Markets, and Fanatics Studios—the company has built a powerful, integrated ecosystem. By bringing together licensed fan gear, physical and digital trading cards, live events, and more, Fanatics delivers personalized experiences to over 100 million fans worldwide. Fanatics currently holds partnerships with over 900 sports properties, including professional and college teams, leagues, players’ associations, and retail partners. Fanatics also partners with over 5,000 athletes and celebrities, including 250 exclusive partnerships, and has over 2,000 retail locations. Beyond these partnerships, Fanatics has its own powerhouse team of more than 22,000 global employees.

Fanatics Collectibles

E-CommerceMerchandisingInternetWholesaleRetailSportCollectiblesBetting & GamingMobileTech

F

fanaticsinc.com

10,001+ employees

Technology, Information and Internet

New York, NY

Privately Held

438k LinkedIn followers

Raised $4.9B

• Topps.com is a flagship platform within Fanatics Collectibles. We’re building
• the gold standard for collectors through immersive, commerce-integrated
• experiences across Topps, Fanatics Live, and Fanatics Collect. Our mission is to
• deliver performant systems, high-design polish, and data-driven growth
• experiences that engage the next generation of fans.
• We’re hiring a Full Stack Software Engineer (TP3) to join the Growth Engineering
• team, focused on driving user acquisition, engagement, retention, and
• experimentation across Topps, Fanatics Live, and Fanatics Collect.
• This role sits at the intersection of product experimentation, analytics, and
• platform engineering. The engineer in this role will independently design and
• deliver scalable full stack solutions, contribute to experimentation
• infrastructure, and partner cross-functionally to improve growth outcomes across
• consumer-facing products.
• As a TP3 engineer, this individual is expected to operate with increasing
• autonomy, solve moderately complex technical problems, contribute to
• architectural discussions, and influence engineering best practices while
• delivering measurable business impact.
• This role reports to the Director of Engineering, Topps.
• Design, build, test, deploy, and maintain full stack features that drive user
• growth, engagement, and conversion across Topps, Fanatics Live, and Fanatics
• Collect.
• Develop scalable frontend and backend solutions using modern web technologies
• and engineering best practices.
• Ensure analytics data integrity and consistency across platforms, including
• instrumentation, tracking pipelines, attribution, and validation frameworks.
• Design and implement experimentation capabilities such as A/B testing
• frameworks, feature flags, and growth experimentation tooling.
• Partner cross-functionally with Product, Data Science, Analytics, and
• Marketing teams to translate growth hypotheses into scalable technical
• solutions.
• Optimize web and mobile experiences with a focus on performance, usability,
• reliability, and measurable business outcomes.
• Identify and resolve issues impacting data quality, experimentation accuracy,
• and reporting reliability.
• Participate in system design discussions and contribute to architectural
• decisions that improve scalability and engineering velocity.
• Contribute to shared platform capabilities supporting cross-product growth
• initiatives.
• Participate in code reviews, operational support, technical documentation,
• and continuous improvement initiatives.
• Mentor junior engineers through collaboration, technical guidance, and
• engineering best practices.

Required

• applications across frontend and backend systems.
• Strong proficiency in full stack development using technologies such as
• JavaScript/TypeScript, React, Node.js, or equivalent modern frameworks.
• Experience designing and maintaining analytics tracking systems, event
• instrumentation, attribution pipelines, and experimentation tooling.
• Experience building scalable APIs, distributed systems, and performant
• consumer-facing applications.
• Familiarity with A/B testing frameworks, experimentation platforms, and
• feature flagging systems.
• Strong understanding of system architecture, API design, observability, and
• performance optimization.
• Experience collaborating cross-functionally with Product, Analytics, Data
• Science, and Marketing stakeholders.
• Ability to independently drive technical solutions from design through
• production deployment.
• Strong debugging, problem-solving, and communication skills.
• Bachelor’s degree in Computer Science, Engineering, or related technical
• field, or equivalent practical experience.

Preferred

• Experience working on Growth Engineering or product growth-focused teams.
• Familiarity with tools such as Segment, Amplitude, Snowflake, or similar
• analytics and experimentation platforms.
• Experience building for mobile platforms, including React Native, native
• mobile applications, or mobile web optimization.
• Experience supporting high-traffic consumer-facing platforms with rapid
• experimentation cycles.
• Interest in collectibles, live commerce, fan engagement, or marketplace
• platforms.
• operational excellence.
• Comfortable operating in fast-paced, evolving environments with shifting
• priorities.
• Strong collaboration and communication skills across technical and
• non-technical teams.
• Passion for building high-quality user experiences and data-informed product
• solutions.
• Growth mindset with eagerness to continuously learn, adapt, and support team
• development.
• Ability to balance experimentation velocity with long-term platform
• scalability and maintainability.
• This role requires active hands-on software development across frontend and
• backend systems. A TP3 engineer is expected to independently write
• production-quality code, contribute to system and feature design, implement
• scalable experimentation and analytics capabilities, and deliver moderately
• complex technical solutions with minimal oversight. Code contributions should
• demonstrate maintainability, testing discipline, architectural awareness, and
• increasing ownership aligned with TP3 engineering expectations.
• 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
• The salary range represents base pay only and does not include short-term or
• long-term incentive compensation.  This salary range is specific to Los Angeles
• and may not be applicable to other locations.  When determining base pay, as
• part of a final compensation package, we consider several factors such as
• location, experience, qualifications, and training. For information about our
• benefits, please visit https://benefitsatfanatics.com/

• Los Angeles Salary Range
• $131,080—$160,000 USD
• The salary range represents base pay only and does not include short-term or
• long-term incentive compensation.  This salary range is specific to New York
• City and may not be applicable to other locations.  When determining base pay,
• as part of a final compensation package, we consider several factors such as
• location, experience, qualifications, and training. For information about our
• benefits, please visit https://benefitsatfanatics.com/
• NYC Salary Range
• $145,000—$175,000 USD