Implementation Manager I - Poland & CEE at Mollie in Warsaw

Build with us Since 2004, we've had one clear goal: to make payments and money management effortless for every business in Europe. Today, more than 250,000 companies use Mollie to get paid, manage money and grow – with products designed to be simple, scalable, and dependable. With 950+ Mollies across 14+ locations, we care deeply about autonomy and craft. So we work in small teams, with real ownership, and we trust you to make the right decisions. We're building for the long term, so we provide the tools you need, processes you can rely on, and a balanced work environment to help you do work you're proud of. Sound like your kind of place? Let's build together. Your impact You'll own the post-sales integration phase for Mollie's largest and most complex deals, taking full responsibility from contract signature through go-live and the handover that follows. That means acting as the central point of contact for the merchant and every internal Mollie team involved, setting out the activities, owners, and timelines needed to get each implementation live. You'll coordinate closely with sales, sales engineering, onboarding, compliance, product, and other teams to resolve issues as they come up, using your technical understanding to assess merchant problems, work through documentation, and route issues to the right place. You'll keep merchants, digital agencies, and internal…