Marqeta is the modern card issuing platform — powers cards for Square, Doordash, Instacart, and many fintechs. The interview is payments-engineering-heavy with focus on card networks, real-time authorization, and the regulatory framework around card issuing.
Process
Recruiter screen → 60-minute coding phone (DSA medium) → onsite virtual: 2 coding, 1 system design, 1 craft deep-dive, 1 behavioral. Cycle: 4–6 weeks.
What they actually ask
- Design a real-time card authorization system with sub-100ms latency
- Design just-in-time funding — fund the card seconds before authorization
- Design fraud detection at the moment of swipe
- Coding: medium DSA, often with concurrency or financial framing
- Behavioral: customer focus, working with payments domain, regulatory awareness
Levels and comp (2026)
- SE II: $150K–$190K total
- Senior SE: $215K–$290K
- Staff: $310K–$420K
- Principal: $430K–$570K
Prep priorities
- Be fluent in Java (the bulk of the codebase)
- Understand card networks: Visa, Mastercard, EMV, ISO 8583
- Brush up on card issuing regulations: BSA, OFAC, FFIEC
Frequently Asked Questions
Is Marqeta remote-friendly?
Hybrid in Oakland (HQ), London, Sydney. Some engineering roles fully remote within US.
How does Marqeta compare to Stripe Issuing or Galileo?
Marqeta is the largest pure-play. Stripe Issuing is part of broader Stripe stack. Galileo (SoFi-owned) is the legacy player. Marqeta engineering culture leans deeper on payments expertise.
What is the engineering culture?
Mature, payments-focused, methodical. Strong testing and reliability culture given the financial stakes.