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Lead backend development and ownership of acquiring and payment-processing systems. Build fault-tolerant Go services for authorization, settlement, reconciliation, refunds, and disputes. Integrate with processors/gateways, operate within PCI DSS scope, instrument payment health, use LLM tools like Claude, and mentor engineers while driving production-ready, auditable money-movement flows.

Own and scale backend payment services (authorization, capture, settlement, reconciliation, disputes) in Golang. Build fault-tolerant, idempotent money-movement flows, integrate with processors/gateways, operate within PCI DSS scope, monitor payment health, mentor engineers, and use LLM tools to accelerate engineering work.

Own and scale backend payment systems integrating with processors and gateways (authorization, settlement, reconciliation, disputes). Build idempotent, fault-tolerant money-movement flows in distributed cloud architectures, operate within PCI scope, instrument payment health, mentor engineers, and use LLM tools to accelerate design, coding, testing, and documentation.

Own and scale backend payment systems integrating with processors and gateways. Build fault-tolerant, auditable money-movement flows (authorization, settlement, reconciliation, disputes) in Golang. Operate within PCI DSS scope, instrument payment health, use transactional outbox/queue patterns, mentor engineers, and leverage LLMs like Claude to accelerate design and delivery.

Lead design and implementation of backend payment services (authorization, capture, settlement, reconciliation, disputes) in Go. Build idempotent, fault-tolerant money-movement flows using transactional outbox and queues, ensure PCI-compliant handling and observability, integrate with gateways/processors, mentor engineers, and use LLM tools to accelerate engineering work.

Own and scale backend payment systems integrating with processors and gateways. Build fault-tolerant, idempotent money-movement flows (authorization, capture, settlement, reconciliation, disputes). Operate within PCI DSS scope, instrument payment health, use queues/transactional outbox patterns, and mentor engineers. Leverage LLM tools (Claude) as part of daily workflows while maintaining secure handling of payment data.

Own and scale backend payment-processing services integrating with processors and gateways. Build fault-tolerant, idempotent money-movement flows (authorization, settlement, reconciliation, disputes). Operate within PCI DSS scope, instrument payment health, use cloud-distributed patterns (transactional outbox, queues), mentor engineers, and leverage LLM tools to accelerate work.

Lead backend development of Sezzle's acquiring and payment-processing systems. Build Go services integrating with processors/gateways, own money-movement flows (authorization, settlement, refunds, reconciliation, disputes), ensure PCI-compliant secure handling, instrument production health, use queuing/transactional patterns for fault tolerance, and mentor engineers. Strong emphasis on using LLM tools (Claude/equivalents) in daily workflow.

As a Mobile Engineer, you will develop features for our React Native app, participate in design discussions, and maintain robust, testable code.

As a Junior Software Engineer, you will design, develop, and document software solutions, leveraging accounting knowledge to enhance automation in fintech.