Tech Lead · Payment Infrastructure
Lead the architecture of low-latency, event-driven payment infrastructure orchestrating real-time transaction flows across POS devices, payment processors and distributed backend services.
- High-throughput payment systems handling real-money transactions — idempotency, fault tolerance, transaction consistency, PCI/EMV compliance.
- Asynchronous workflows on AWS SQS and microservices: concurrency, retry strategies, transaction finalization and resiliency.
- End-to-end integrations with processors, EMV kernels, secure key management and payment hardware — including EMV L3 certifications.
- Defined organization-wide API and domain-model standards for external financial integrations.
- Mentored cross-functional squads, ran architecture reviews and drove technical decisions for mission-critical payment infrastructure.
