Marqeta

Senior Software Engineer in Payment Innovation

📍 Location
toronto, on
⏰ Job Type
Full-time
📅 Posted
May 27, 2026
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Job Description

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 infra...

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