Lead hands-on engineering for Block’s card issuing platform, specializing in card-network integrations, ISO 8583 protocols, authorization, clearing, certification, mandates, and production behavior. Build software and conformance tooling, resolve network-level issues, drive certification cycles, influence technical direction, mentor engineers, apply AI-assisted development practices, and participate in on-call support for critical financial systems.

Design, build, test, ship, and operate services powering card issuance, transaction processing, and disputes. Own features end-to-end within a microservice and event-driven architecture, write well-tested code, participate in on-call incident response, and leverage AI tools to improve development velocity and quality while collaborating with cross-functional teams.