Build Mercury card experiences and money movement systems with full-stack engineering, systems architecture, and careful attention to correctness. Work across the stack on reliable financial infrastructure.As a Senior Software Engineer on Mercury’s Cards Integration team, you will own projects from technical specification through launch. You will work with product, engineering, operations, risk, compliance, and other teams.

The work spans card issuance, authorization, settlement, reporting, and customer experiences.Key Responsibilities:

Lead projects from ideas through technical specifications and launchesBuild card experiences and backend money movement systemsLearn authorization, clearing, settlement, and disputesMaintain observable systems and operational excellenceMentor engineers through design and code reviewsRequirements:

Solid full-stack experience and systems thinkingArchitectural decision-making experience with complex systemsCare for correctness in financially consequential systemsClear communication and comfort handling ambiguityHaskell and TypeScript experience or willingness to learnBring full-stack engineering, architectural judgment, and financial systems care to Mercury’s integrated card platform.

📌 Senior Full Stack Payments Engineer (Winnipeg)
🏢 Mercury
📍 Winnipeg