Staff Engineer, Balance and Ledger - Core

The role

You will be the technical owner of the ledger and balance services that hold customer funds across Fanatics. You will design a shared ledger and balance model used across Sportsbook, Casino, and other lines of business.

What you will do

• Own the architecture of the ledger and balance services
• Design and build distributed services in Java and Spring Boot
• Model funds by type and eligibility
• Lead the migration of existing business wallets onto the shared ledger
• Architect event-driven integration using java and architectural patterns
• Carry responsible gaming protections with the balance
• Work with Finance, Legal, and Compliance on fund attribution and settlement
• Build for reconciliation and audit
• Lead technical initiatives that span multiple teams
• Mentor engineers and raise standards for security, observability, reliability, and testing

Required qualifications

• 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
• Strong command of transactional consistency, idempotency, concurrency control, and relational data modeling
• Experience building event-driven systems and working with message streaming platforms such as 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

Nice to have

• Experience in online gaming, sports betting, fintech, banking, or payments
• Experience with a shared platform used by several business units
• Experience with financial reconciliation, settlement, or accounting-oriented data models
• Familiarity with data privacy and consent requirements
• Experience with AWS, Kubernetes, and observability tooling such as Datadog, Grafana, or CloudWatch
• Interest in developer experience, clean API design, and systems maintainability

About the company

Fanatics is building a leading global digital sports platform. Fanatics Betting & Gaming (FBG) is the online and retail sports betting subsidiary of Fanatics Holdings, Inc.