Implementation Engineer

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. You’ll work on complex integration challenges where design decisions shape how global merchants operate at scale.

This position is based in Paris, and the ideal candidate is both consultative and technical.

We are looking for candidates with strong experience in APIs, integrations, and technical delivery. You will act as the primary technical partner for merchants, owning projects from solution design through to successful launch.

What you’ll do:

• 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

• 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
• You proactively share best practices to help the team grow and to ensure merchants deliver high-quality, reliable integrations
• Fluent in French and English

Adyen provides payments, data, and financial products in a single solution for customers like Meta, Uber, H&M, and Microsoft - making us the financial technology platform of choice. At Adyen, everything we do is engineered for ambition.

For our teams, we create an environment with opportunities for our people to succeed, backed by the culture and support to ensure they are enabled to truly own their careers. We are motivated individuals who tackle unique technical challenges at scale and solve them as a team. Together, we deliver innovative and ethical solutions that help businesses achieve their ambitions faster., Our unique approach is a product of our diverse perspectives. This diversity of backgrounds and cultures is essential in helping us maintain our momentum. Our business and technical challenges are unique, and we need as many different voices as possible to join us in solving them - voices like yours. No matter who you are or where you’re from, we welcome you to be your true self at Adyen.