Senior Implementation Engineer, API Integrations (Paris)

Adyen; Paris; On-site; EUR 65,000 - 90,000; Full time

Job summary

Adyen in Paris is seeking an Implementation Engineer to join a team delivering end-to-end integrations with merchants on Adyen’s payments platform. You’ll own projects from design through go-live, design API-based integrations, and collaborate with Sales during pre-sales to shape feasible solutions.

You’ll be the primary technical partner for merchants, guiding architecture decisions, coordinating with Product, Engineering, and Project Management, and sharing best practices to ensure scalable

Qualifications

• 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.
• Strong communicator who can lead technical discussions with technical and business stakeholders.
• Proactive builder who sees projects through to completion.
• Pragmatic, scalable delivery mindset.
• Fluent in French and English.

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 with Sales during pre-sales to shape solutions and assess feasibility.

Skills

APIs

Frontend & Backend

Technical delivery

Communication

French & English fluency

Tools

REST APIs

Job description

Adyen in Paris is seeking an Implementation Engineer to join a team delivering end-to-end integrations with merchants on Adyen’s payments platform. You’ll own projects from design through go-live, design API-based integrations, and collaborate with Sales during pre-sales to shape feasible solutions.

You’ll be the primary technical partner for merchants, guiding architecture decisions, coordinating with Product, Engineering, and Project Management, and sharing best practices to ensure scalable