Senior Software Engineer - Card Network Integration

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Software Engineer - Card Network Integration based in Canada.

• This is a senior engineering opportunity focused on building scalable systems that power card network transactions and financial data processing.
• You will design and deliver backend solutions supporting high-volume batch and event-driven workflows across critical payment operations.
• Your work will contribute to areas including digital wallet tokenization, chargebacks, ACH transfers, ATM networks, credit processing, and 3DS authentication.
• You will own complex projects from architecture and design through production, working with considerable autonomy on ambiguous technical challenges.
• The role combines software engineering, data engineering, cloud infrastructure, and operational excellence in a highly collaborative environment.
• You will partner closely with engineers and product leaders while helping improve reliability, scalability, and speed of delivery.
• This is an opportunity to make a direct impact on payment infrastructure used at significant scale while mentoring other engineers and helping shape technical direction.