Front End Engineer - Authentication Interfaces

Adyen provides payments, data, and financial products. The Authentication Interfaces team builds authentication products for online payments. As a Front End Engineer, you'll design and build scalable distributed systems, collaborate with teams, and own features end-to-end.

• Design and build solutions for highly scalable and reliable distributed systems that are central to Adyen's success.
• Collaborate closely with your team, product managers, UX, design, and other engineering teams across the Uplift and Payments domains to refine and implement your ideas.
• Take end-to-end ownership, seeing your work through the entire development lifecycle.
• Uphold our high standards for system health by implementing robust observability into the authentication flow to deliver the best shopper experience.
• You will be part of a diverse and inclusive team. We launch fast and iterate often. Concretely, this means that within your first few weeks, you will bring code live that impacts many businesses and shoppers.
• Collaborate across teams and time zones to make things happen, review code, and be open to giving and receiving feedback.

• Strong foundation in web development, with experience building web applications, web sdks, integrating with APIs, and working with observability tools
• Expertise in front end architecture, web performance, CI/CD workflows, and testing strategies across unit, component, and end-to-end layers.
• Strong experience in Preact, Typescript, Vite, GitHub, Gitlab, and state management.
• Familiarity with Sentry, Vitest, Emotion/CSS, Playwright a plus
• Pragmatic and action-oriented. You launch fast and iterate based on data and feedback
• Clear and concise communicator capable of discussing solutions with both other developers and non-technical peers.
• Flexible, curious, and proactive team player.
• Proven experience in building and maintaining highly scalable and reliable systems and embrace a culture of operational excellence.
• Fluent in English in both technical and non-technical contexts.
• Enthusiastic about growing your expertise across the full stack with small contributions to backend java APIs
• Bonus points if you have previous experience working on payment flows or using Passkeys and SPC solutions including WebAuthn, device binding, and device fingerprinting