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About the Role
Fanatics Betting & Gaming (FBG) is seeking a Staff Engineer to be the technical owner of the ledger and balance services that manage customer funds across Fanatics. This role involves designing systems for a shared ledger and customer-level balance, ensuring correctness, auditability, and a smooth migration path for existing wallets. The position combines deep backend expertise with architectural leadership, setting the technical direction for the balance platform and collaborating with various internal teams.
Responsibilities
- Own the architecture of the ledger and balance services, including data model, consistency guarantees, and interfaces for reading balances and authorizing spend.
- Design and build distributed Java and Spring Boot services for high transaction volume with strict correctness, idempotency, and auditability.
- Model funds by type and eligibility to enforce usage restrictions based on client, product, location, and transaction type, and to apply regulatory restrictions.
- Lead phased migration of existing business wallets onto the shared ledger, including dual-running, reconciliation, cutover, and rollback plans to avoid customer downtime.
- Architect event-driven integration using Java and architectural patterns for reliable balance change publication and downstream consumer dependency.
- Incorporate responsible gaming protections into the balance model, collaborating with Responsible Gaming and Fraud teams.
- Work with Finance, Legal, and Compliance on fund attribution, settlement, chargebacks, and data sharing across Fanatics entities.
- Build for reconciliation and audit, including complete transaction histories, financial reporting feeds, and verification tooling.
- Lead cross-team technical initiatives, conduct architectural reviews, design sessions, and incident postmortems.
- Mentor engineers and improve security, observability, reliability, and testing standards.
- Partner with product, frontend, and mobile teams to ensure clear and consistent balance behavior in customer-facing experiences.
- Be open to occasional travel for planning, collaboration, and team development.
Requirements
- 8+ years of professional software engineering experience.
- Deep expertise in Java and Spring Boot.
- Experience designing and operating a ledger, wallet, balance service, or another financial system of record where correctness and auditability are requirements.
- Strong command of transactional consistency, idempotency, concurrency control, and relational data modeling in systems that cannot lose or double-count a transaction.
- Experience building event-driven systems and working with message streaming platforms like Kafka.
- Demonstrated success setting technical direction and driving alignment across multiple teams.
- Experience migrating live, high-traffic systems with minimal customer impact.
- Ability to explain complex technical tradeoffs clearly to engineering, product, finance, and leadership audiences.
- Comfort working in a fast-paced, regulated environment with changing priorities.
Skills
- Java
- Spring Boot
- Distributed systems
- Transactional consistency
- Idempotency
- Concurrency control
- Relational data modeling
- Event-driven systems
- Kafka
- AWS
- Kubernetes
- Observability tooling (Datadog, Grafana, CloudWatch)
- API design
Location
- Remote
- Onsite (potential travel to Fanatics offices)
Work Type
- Full-time
Experience Level
- Staff Engineer
- 8+ years professional software engineering experience
Salary/Compensations
- $190,000—$237,500 USD
Benefits
- Full-time employment benefits
About the Company
- Fanatics is building a leading global digital sports platform, igniting the passions of global sports fans and maximizing presence for hundreds of sports partners globally.
- The company operates across Fanatics Commerce, Fanatics Collectibles, and Fanatics Betting & Gaming.
- Fanatics has an established database of over 100 million global sports fans, a global partner network with approximately 900 sports properties, 2,500 athletes and celebrities, and over 2,000 retail locations.
- Over 22,000 employees are committed to enhancing the fan experience globally.
Equal Opportunity
- 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.