Full Stack Engineer, Growth

About the role

The Full Stack Software Engineer (TP3) 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.

Key Responsibilities

• 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 Qualifications

• 5+ years of professional experience building and scaling modern web 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.
• Able 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 Qualifications

• 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.

Desired Attributes

• Demonstrates ownership and accountability for technical outcomes and 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.

Salary Range

• Los Angeles: $131,080 - $160,000 USD
• New York City: $145,000 - $175,000 USD