Wise (formerly TransferWise) is the largest non-bank international money transfer platform — moves billions of dollars across borders monthly. The interview emphasizes payments, multi-currency, regulatory complexity, and the unique challenge of operating across dozens of country-specific banking systems.
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 multi-currency wallet with real-time exchange rates
- Design a cross-border money transfer flow that integrates with diverse local banking systems
- Design KYC/AML screening at scale
- Coding: medium DSA, often with financial framing
- Behavioral: customer focus, regulatory mindset, working with cross-border complexity
Levels and comp (2026)
- SE II: £75K–£100K total (London); EUR 70K–95K (Tallinn)
- Senior SE: £110K–£150K / EUR 100K–135K
- Staff: £160K–£220K
- Principal: £220K–£300K
Wise comp is European-tier; below US peers but with strong work-life balance and equity.
Prep priorities
- Be fluent in Java (the bulk of the codebase) or Go (newer services)
- Understand banking protocols: SWIFT, SEPA, ACH, Faster Payments
- Brush up on KYC, AML, and PSD2 regulations
Frequently Asked Questions
Is Wise remote-friendly?
Distributed across Tallinn (HQ), London, Singapore, NYC. Some engineering roles fully remote within EU.
How does Wise compare to Revolut or Remitly?
Wise is the most cost-transparent on FX. Revolut is a broader fintech bank. Remitly is the remittance specialist. Wise comp is comparable to other London fintech.
What is the engineering culture?
European tech culture: collaborative, mission-driven, transparent. Strong written-communication culture.