Sei der nächste Senior Frontend Engineer (w/m/d) bei Billie in Berlin – Jetzt bewerben

About the role:

We are looking for a Senior Frontend Engineer to become part of our Billie team.

As a team, we assume ownership of various technical landscapes in Bille products, spanning the modular checkout widget, hosted payment page, Demoshop and the checkout SDK. You will work closely with external partners, including payment service providers, as well as internally with authorization, risk, and onboarding services to enhance the platform capabilities in internationalization and localization. Your skills will play a key role in strengthening secure and smooth transaction processes, ultimately enhancing the overall user journey.

In more detail you will:

• Closely collaborate with Product and UI/UX designers in order to deliver the best user experience
• Constantly improve our processes to ensure better DX without compromising on delivery
• Collaborate with other teams within Billie to ensure better end to end design
• Setting up and driving trade-offs discussions and decisions within the team
• Coach and mentor other team members through workshops, pair programming, and code reviews
• Contribute to recruitment by attracting, reviewing and interviewing candidates

Our tech stack:

• Our Frontend architecture is built in a monorepo style with multiple Frontend applications with Nextjs, React, Typescript and many shared libraries and a design system to power the applications
• Among the technologies we use are the following: xState, React testing library, Redux, Context API, Jest …
• We use storybook to be a live documentation of our design system components and we write integration tests with cypress
• We manage our monorepo with Nx and our CI is built with jenkins and github actions

Who we are looking for:

• You have at least 8 years of experience as a software developer
• You have experience with component-based architecture using Reactjs
• You have experience with Redux and Context API
• You are familiar with accessibility and testing (unit, integration, and end-to-end)
• You had the opportunity to implement and maintain atomic design systems

Nice to have:

• Experience with TypeScript
• Bundle size and core web vitals are always in your mind when making decisions
• Implemented integration tests with Cypress
• Identify and resolve performance and scalability issues
• Familiar with data structures and algorithm design
• Concepts like clean code, domain-driven design, and design patterns are not new to you