Front End Engineer - Authentication Interfaces

What You'll Do As an engineer on our team, you'll have full ownership of the features you build, from initial design to deployment and live monitoring. You'll be a problem-solver shaping a core part of Adyen's platform. 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. Who You Are We're looking for a colleague who is passionate about building robust, large-scale systems and understands the importance of reliability. You have a strong foundation in web development, with experience building web applications, web sdks, integrating with APIs, and working with observability tools You have 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 You are pragmatic and action-oriented. You launch fast and iterate based on data and feedback You are a clear and concise communicator capable of discussing solutions with both other developers and non-technical peers. You are a flexible, curious, and proactive team player. You have proven experience in building and maintaining highly scalable and reliable systems and embrace a culture of operational excellence. We are an international team and our working language is English, so you speak it fluently in both technical and non-technical contexts. You are 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 Diversity, Equity, and Inclusion at Adyen We actively seek different perspectives to sharpen our ideas. Our unique culture is a product of our diverse backgrounds and experiences. No matter who you are or where you’re from, you’re welcome to be your true self at Adyen. If you need accommodations or support during the recruitment process to perform at your best, you’ll have the opportunity to let our team know in your application. We encourage people from all backgrounds and abilities to apply. What’s next? Ensuring a smooth and enjoyable candidate experience is critical for us. We aim to get back to you regarding your application within 5 business days. Our interview process tends to take about 4 weeks to complete, but may fluctuate depending on the role. Learn more about our hiring process here . Don’t be afraid to let us know if you need more flexibility. This role is based out of our [CITY NAME] office. We are an office-first company and value in-person collaboration; we do not offer remote-only roles.