Principal Software Engineer

About this role

• The Core Issuing and Processing team owns the foundational stack that powers Marqeta’s core business. We develop and maintain the systems that span six critical domains: Onboarding, Issuing, Digital Wallets, Authorization & Clearing, Transaction Controls, and Ledger. Together, these systems form the backbone of Marqeta’s card issuing and payment processing platform
• Own the technical roadmap and author system designs that enable scalable, secure, and operationally efficient card issuing and payment processing products for our customers
• Spend significant time in the codebase – writing, reviewing, and optimizing code across the issuing and processing stack
• Identify and drive high-impact technical initiatives that improve the performance, reliability, and cost-efficiency of our core processing engines
• Collaborate with Product Managers to analyze requirements and provide technical recommendations across onboarding, issuing, digital wallets, authorization & clearing, transaction controls, and ledger
• Mentor and guide technical leads, influence stakeholders, and establish success metrics to drive organization-wide technical excellence
• Apply and evangelize modern best practices in your software designs and implementations to increase the platform’s resiliency and scalability

### Benefits

• Praise: We believe in generously recognizing each other’s talents and contributions, and sharing the goodness we see
• Health and wellness: We cover your premiums for health, dental, and vision. Plus, your pet gets his/her/its own insurance, on us
• Flexible time off: We take time to relax and recharge when needed. We have unlimited time off for most employees and encourage an average of 5 weeks per year
• Marqeta paid family leave: We support all families. We offer 12 weeks of paid leave for all new parents and up to 20 for birthing parents. We also offer 4 weeks of caregiving leave
• 401k match: We invest in your future. We’ll match 50% of your contribution and up to 6% o...