Senior Frontend Engineer in Berlin bei Billie

Senior Frontend Engineer (w/m/d) in Berlin bei Billie

Billie

We are Billie, the leading provider of Buy Now, Pay Later (BNPL) payment methods for businesses, offering B2B companies innovative digital payment services and modern checkout solutions. We are to create a new standard for business payments and have made it our mission to simplify the purchasing experience for all businesses making it a tool for growth. Our solutions are based on proprietary, machine-learning-supported risk models, fully digitized processes and a highly scalable tech platform. This makes us a deep-tech company building financial products, not the other way around. We love building simple and elegant solutions and we strive for automation and scalability.

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

What we offer:

Flexible work hours and trust in your ability to deliver, empowering you to take control of your work-life balance
Hybrid working approach enabling a good balance working from home and the office
One of the best Virtual Shares Incentive Programs in the market, so that everyone at Billie is invested in our success
Our "Catch a Ride with Billie" program, that enables discounted access to Berlin Public Transport (BVG)
A yearly development budget to broaden your skill set and horizons
Free German group classes
An English-speaking, multicultural team with more than 46 nationalities
Great office space at Checkpoint Charlie with free gym access, barista coffee, drinks and more

Billie offers you the opportunity to be a part of one of the fastest-growing Fintech startups in Europe following the mission to innovate to create new freedom for businesses of all sizes. Our combined decades of experience in B2B Financing and Payments in a market thirsty for innovation and change make this a fantastic possibility to get into the most dynamic space in tech.

Join an international team of talented, passionate people where drive and merit matter. We work in nimble, cross-functional teams with open communication lines across the company. You'll be surrounded by smart people from a wide variety of backgrounds from which you can learn and that want to learn from you.

Are you ready to jo