Product Builder – Fintech (m/f/d)

Build and operate Mews' acquiring capabilities, covering authorization, capture, refunds/disputes, merchant data, market expansion and ledger reporting. Own discovery, prototyping, delivery and outcome measurement while coaching peers on reusable AI-assisted engineering patterns. Bring seven-plus years of customer-facing software delivery with measurable business impact and large cross-system initiatives, advanced practical AI-tool use, large-scale PSP/acquirer integration expertise and independent product judgment. APIs, webhooks, idempotency and reconciliation are core requirements. Startup/scale-up work, card-lifecycle and PCI DSS knowledge and regulated financial audit/PII experience are helpful. This listing covers Germany/Europe and offers flexible remote-first working.