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Senior Software Engineer in Payment Innovation

Company

Marqeta

Location

toronto, on

Posted

June 06, 2026

Position Overview

Shape the future of payment processing as a Senior Software Engineer. Drive high-impact projects focusing on scalability and performance of card issuing platforms, working remotely from Canada.
This role centers on both technical ownership and hands-on coding, allowing you to influence the development of critical components within the payment processing ecosystem. Collaborate with cross-functional teams to analyze and fulfill requirements that elevate the platform's resiliency and efficiency.
Key Responsibilities:
• Design and manage the technical roadmap for payment systems
• Write and optimize code in the core processing stack
• Initiate projects that improve system performance
• Work alongside product teams to define technical requirements
• Mentor peers and influence technical direction
Requirements:
• 12+ years in software engineering with a strong focus on design
• Familiarity with cloud technologies, ideally AWS
• Experience with high-volume data...

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