API & Integration Implementation Engineer

Adyen; Sydney; On-site; AUD 120,000 - 180,000; Full time

Job summary

Adyen is seeking an Implementation Engineer in Sydney to design, integrate, and scale how merchants use Adyen’s payment platform. You will own projects from solution design through to successful launch, partnering with Sales and cross-functional teams to deliver high-performance API-based integrations for complex systems.

You will act as the primary technical partner for merchants, guiding architecture decisions and ensuring production readiness while sharing best practices with the team to

Qualifications

• 5+ years of experience in technical consulting, integrations, or software engineering.
• Deep understanding of APIs and experience working across frontend and backend systems.
• Solid communicator who can lead technical discussions and build credibility.
• Proactive builder who takes initiative to see projects through to completion.

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 and support discussions with 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 best outcomes for merchants.
• Guide merchants through technical design decisions, testing, and production readiness.
• Share best practices to help the team grow and ensure reliable integrations.

Skills

APIs

Integrations

Technical delivery

Communicator

Job description

Adyen is seeking an Implementation Engineer in Sydney to design, integrate, and scale how merchants use Adyen’s payment platform. You will own projects from solution design through to successful launch, partnering with Sales and cross-functional teams to deliver high-performance API-based integrations for complex systems.

You will act as the primary technical partner for merchants, guiding architecture decisions and ensuring production readiness while sharing best practices with the team to