Implementation Engineer

Adyen · Paris · onsite As an Implementation Engineer at Adyen, you will partner with fast-growing and enterprise businesses to design, integrate, and scale how they use Adyen’s payment platform. This role sits at the center of complex technical delivery and pre-sales collaboration, where you help merchants make architectural decisions that directly impact performance, scalability, and global expansion. Responsibilities Deliver end-to-end implementation projects from solution design through to go-live Design and help merchants build high-performance, API-based integrations for complex systems Partner closely with Sales during pre-sales to shape solutions, assess feasibility, and support technical discussions with prospective merchants Act as the primary technical partner for merchants, guiding architecture and integration decisions Build alignment across Product, Engineering, Sales, and Project Management to drive the best outcomes for merchants Guide merchants through technical design decisions, testing, and production readiness Improve delivery quality by sharing best practices and helping elevate team knowledge Support a culture of growth by sharing knowledge and helping others unblock and succeed Act as the voice of the merchant internally, translating customer needs and pain points into actionable insights for Product and Engineering Advocate for improvements in Adyen’s products and integration experience based on recurring merchant challenges and feedback Requirements 6+ years of experience in technical consulting, integrations, or software engineering Deep understanding of APIs and experience working across frontend and backend systems Comfortable making decisions in ambiguous environments Solid communicator who can lead technical discussions and build credibility with both technical and business stakeholders Proactive builder who takes initiative to see projects through to completion Pragmatic approach focused on working, scalable solutions Fluent in French and English