Senior Staff Engineer - Stablecoin

The role

You will architect and build the bank's core backend and design the integration between the core banking ledger and the stablecoin issuance engine. You will provide technical direction to the core team of engineers and own the design of systems that reconcile fiat reserves, on-chain token supply, and customer balances.

What you will do

• Architect and build the bank's core backend including microservices, transactional persistence schemas, event messaging endpoints, and internal APIs.
• Design the reconciliation architecture between the fiat subledger, reserve accounts, and on-chain token supply.
• Build the event messaging layer to synchronize core ledger transactions with custody platform mint/burn actions.
• Serve as the technical lead and mentor for the Core Backend team.
• Establish standards for code reviews, testing, observability, and deployment.
• Integrate automated sanctions screening connectors with auditable screening and case escalation hooks.
• Partner with the SRE Lead on multi-region availability, failover targets, and real-time ledger alerting.
• Work with the Security division on IAM, key management interfaces, and threat modeling.
• Support UAT, feature freezes, and external control validation ahead of the pre-opening exam.

Required qualifications

• 12+ years of software engineering experience
• 5+ years hands-on architecting high-integrity transactional systems (banking core, payments ledger, exchange, or settlement infrastructure)
• Deep understanding of event-driven architecture, exactly-once processing semantics, idempotency, and reconciliation at scale
• Hands-on experience with Kubernetes, Infrastructure-as-Code, and multi-region deployment in a regulated or audited environment
• Track record designing immutable transaction logs, reconciliation controls, and automated evidence generation
• Proven success elevating the technical output of senior engineers, setting architectural standards, and owning delivery end-to-end
• Ability to produce system architecture documentation that withstands regulatory and audit scrutiny

Nice to have

• Direct experience with stablecoin, digital asset custody, or blockchain settlement systems, including on-chain/off-chain reconciliation
• Familiarity with FFIEC IT examination expectations or SOC 2 audit environments

Benefits

• health insurance
• disability insurance
• life insurance
• 401k plan
• paid-time off
• sick leave
• safe leave

About the company

Payoneer is a global financial platform that removes friction from doing business across borders. Its national trust bank subsidiary is PAYO Digital Bank, N.A. (PDB).