Support customers across payment programs, covering payment limits and rejections, legal entity and KYC/KYB onboarding, settlement timing, and stablecoin and fiat rail behavior, while routing risk, compliance, and commercial questions to the right owners. Minimum Requirements: 4+ years in customer-facing technical roles at B2B SaaS companies, in functions such as technical support, customer success, sales engineering, product management, engineering, or network operations.