Staff Engineer, Balance and Ledger – Core

This is a fully remote position, open to applicants in New York.

📋 Description

• Take charge of the architecture for ledger and balance services, focusing on data models, consistency guarantees, and interfaces for balances and spend authorization.

• Design and develop distributed services using Java and Spring Boot to handle high transaction volumes, ensuring strict correctness, idempotency, and auditability.

• Model funds by type and eligibility, taking into account client, product, customer location, and transaction type.

• Lead the phased migration of existing business wallets to a shared ledger, including dual-running, reconciliation, cutover, and rollback strategies.

• Architect event-driven integrations to ensure that balance changes are published reliably with consistent ordering and delivery.

• Collaborate with Responsible Gaming and Fraud teams to enforce customer protections such as limits and self-exclusion.

• Work together with Finance, Legal, and Compliance teams on fund attribution, settlement, chargebacks, and data sharing.

• Develop reconciliation and audit features, including transaction histories, financial reporting feeds, and verification tools.

• Lead cross-team technical initiatives, architectural evaluations, design discussions, and incident postmortems.

• Mentor engineers while enhancing security, observability, reliability, and testing standards.

• Partner with product, frontend, and mobile teams to ensure consistent customer-facing balance behavior.

• Participate in occasional travel to Fanatics offices or industry events for planning, collaboration, and team development.

⛳️ Requirements

• 8+ years of professional experience in software engineering.

• In-depth knowledge of Java and Spring Boot.

• Proven experience in designing and managing a ledger, wallet, balance service, or financial system of record.

• Strong understanding of transactional consistency, idempotency, concurrency control, and relational data modeling.

• Experience in constructing event-driven systems and working with message streaming platforms such as Kafka.

• Track record of successfully setting technical direction and achieving alignment across multiple teams.

• Experience with migrating live, high-traffic systems while minimizing customer impact.

• Ability to communicate complex technical trade-offs clearly to engineering, product, finance, and leadership stakeholders.

• Comfortable working in a fast-paced, regulated environment with shifting priorities.

• Preferred: experience in online gaming, sports betting, fintech, banking, or payments.

• Preferred: familiarity with shared platforms utilized by various business units.

• Preferred: background in financial reconciliation, settlement, or accounting-related data models.

• Preferred: understanding of data privacy and consent requirements.

• Preferred: experience with AWS, Kubernetes, and observability tools such as Datadog, Grafana, or CloudWatch.

• Preferred: interest in developer experience, clean API design, and maintainable systems.

🏝️ Benefits

• Competitive base and bonus compensation.

• Comprehensive benefits information available at https://benefitsatfanatics.com/.

• Flexible remote work arrangement.

• Occasional travel to Fanatics offices or industry events.

• In-person interview and onboarding processes may be required.

• Opportunity to participate in Better: LIVE, a multi-day cultural immersion experience in New York City for full-time, non-seasonal hires.