Senior Frontend Engineer - Identity

About the role

As a Senior Frontend Engineer in the Identity team, you will be working on providing best-in-class authentication experiences and account protection for millions of users globally, as well as central services that enable teams and products across SumUp. Your primary focus will be on frontend development in TypeScript using React / Next.js, while forming the bridge to our backend development.

What you'll do

• Take ownership of frontend development within the team, while helping to design and build clean and reliable APIs on the backend that serve the frontends.
• Closely align with our Product Designers and Mobile Engineers, creating a tight feedback loop.
• Employ and contribute to our internal Design System for a coherent experience across platforms.
• Create secure, user-friendly self-service features that empower our users to manage their accounts and contact preferences with confidence.

What you'll need

• Professional frontend development experience with Typescript and React. Prior experience with fullstack frameworks like Next.js would be helpful.
• Backend development experience, focussing on API development.
• A flexible mindset and the ability to adapt quickly in a fast-moving environment and navigate complex domains.
• A structured, proactive way of working. You enjoy working independently but also effectively collaborate with your cross-functional team and other teams.
• A natural drive to improve things — you strive for great solutions, but also know when to be pragmatic.
• Strong communication skills in English, both spoken and written.

Nice to have

• Excitement for security and reliability topics. Experience with authentication and authorization technologies (e.g. OAuth, Multi-Factor Authentication).

What they offer

• Annual L&D budget of €2,000 for conferences or further education.
• Enrolment onto VSOP program — own a stake in SumUp's future success.
• Corporate pension scheme with up to 20% contribution matching.
• 30 days sabbatical after 3 years of employment.
• Urban Sports Club subsidy, Kita placement assistance, relocation assistance, subsidised office lunches.