Staff Software Engineer - Backend

About the role

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 Fanatics Markets: Fanatics Markets is the real-money prediction and trading app where you can invest in moments you care about. Built on a secure platform, we let users predict real-world outcomes and trade on events they actually follow - from sports and entertainment to political elections and beyond. Our mission is to redefine how fans engage with the moments and markets that matter most. We're looking for the right people to help us build the future of prediction markets. 1 This Staff Software Engineer (Backend) role is a high-impact IC responsible for setting the technical vision and architectural direction for our core markets and trading platform. You'll join a product at an exciting early stage, driving technical strategy, shaping the long-term system architecture, and helping establish engineering standards as we continue to scale. You will be responsible for architecting and evolving systems that can handle millions of events daily while ensuring the platform's reliability, correctness, and auditability. On the engineering side, we're pioneering the use of AI as a code collaborator. We need engineers who will help define and advance our approach to AI-assisted development, driving the adoption of tools such as Claude Code, Cursor, Codex, GitHub Copilot, and similar technologies across teams to maximise quality, consistency, and development velocity

Responsibilities

• Define and own the long-term technical strategy and architecture for our mission-critical backend services in Go
• Drive cross-organizational alignment and technical strategy for our markets and trading platform, partnering closely with product and engineering teams to deliver robust, observable, and maintainable systems
• Define the technical scope and success metrics for major, multi-quarter initiatives. Serve as the technical lead for critical backend projects, ensuring successful end-to-end delivery. 1
• Architect and scale our experimentation capabilities (feature flags, A/B tests) to support rapid, high-volume testing across critical trading and markets services.
• Own and drive the architectural vision for data modeling and management (markets, orders, transactions), ensuring absolute correctness, integrity, and regulatory auditability across all data stores.
• Define the architecture for reliable and fault-tolerant ingestion pipelines, integrating on-chain and off-chain data sources for blockchain event processing and real-time querying.
• Elevate and own the production reliability strategy, including defining high-level SLOs, establishing best practices for monitoring/alerting, and leading the incident response process for core platform services.
• Elevate engineering excellence by conducting rigorous code and architectural design reviews, and proactively setting technical standards across the team and adjacent backend domains.
• Define and evangelize the company-wide strategy and tooling for AI-assisted software development, ensuring best-in-class security, correctness, and performance for backend systems.
• Act as a technical multiplier in a fast-paced 0→1 environment, actively unblocking complex cross-functional challenges, and driving initiatives to improve team efficiency and scalability.

Requirements

• 8+ years experience building highly scalable, high-performance backend applications or distributed systems.
• Deep expertise and architectural experience building blockchain dApps or services integrating with EVM or Solana (ideally production experience).
• Expertise in architectural patterns for querying, indexing, and reconciling blockchain data at scale.
• Deep, recognized expertise in PostgreSQL, including advanced optimization, complex data modeling, and transaction integrity for financial systems.
• Proven track record of

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