Project / Product Manager — PSP & Payment Integrations

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Project / Product Manager — PSP & Payment Integrations based in United Kingdom. This role is ideal for a hands-on payments professional who understands payment integrations beyond the project-management layer. You will lead the end-to-end integration of PSPs, payment providers, and payment methods, from reviewing API documentation and configuring sandbox environments through testing, production launch, and post-release stabilization. You will work at the intersection of Product, Engineering, QA, business stakeholders, and external payment partners. The role combines delivery ownership with practical knowledge of APIs, transaction flows, authentication, webhooks, and payment operations. You will help shape priorities, manage dependencies, and ensure integrations are delivered reliably and efficiently. This is an environment with significant ownership, international payment infrastructure, and exposure to a broad range of providers and payment methods.