Staff Engineer Card Network Infrastructure

Marqeta, Inc.

Shape Marqeta’s card network infrastructure as a Staff Software Engineer, designing reliable systems for real-time transaction routing and authorization.This hands-on Staff Engineer role supports Core Edge Processing, the systems behind card-network transaction routing and authorization. You will write production code, influence system design, and lead improvements across speed, reliability, and failure handling. Marqeta offers Flexible First work remotely anywhere in Ontario or British Columbia, Canada.Key Responsibilities:
Ship and refine code across the routing and processing stackDesign data model and failure-handling changes with engineersDevelop strategies for degradation and blast-radius containmentTake on complex mission-critical payment codebasesMentor engineers while guiding technical directionRequirements:
Eight or more years of engineering experienceStrong Java expertise in concurrency and performanceReliable systems experience at scaleSystem design and production operations experiencePayment processing, card issuing, or network integration backgroundBring Staff-level system design, Java, and payment infrastructure experience to Marqeta’s always-on processing platform.
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