Full Stack Engineer

About Mollie

We provide a simple and clear payment API, which enables webshop and app builders to implement more than ten different payment methods in one go.

In the first few years of existence, Mollie was a developer-only adventure, and about 15 years later devs and techs still comprise roughly 30% of all staff. As a natural consequence, Mollie still is—and aims to remain—highly tech-minded. We take a developers-first approach to our products and internal development strategy, something that both our customers and our developers appreciate.

This focus on the technical side can be found in various things. For example, you pick whatever tools you want to use to get the job done. MacBooks, absurdly large screens, top-notch noise-canceling headphones, and whatever other equipment makes your nerd-boat float. We go to great lengths to create a space that allows you to focus on the things that will make you happy: shipping great features you helped dream up and build.

Position

We’ve just opened our new development hub in Lisbon, Portugal, and we’re looking for a Full Stack Engineer to join the Merchant Experience team. Over the next couple of years, this team will build products that enable merchants to manage their payments in a consistent and localized user experience, at all times.

At the moment, the Merchant Experience is one of the teams that are closest to our end-users: the employees of the 130,000 businesses that Mollie processes payments for. The team is responsible for products like the Mollie Dashboard as well as our mobile apps (iOS & Android). These products are used by over half a million users every month, and we expect this to double over the next year.

We’re looking for people that enjoy solving complex challenges while keeping the user experience in mind at all times. We’re operating on a large scale and are constantly looking for ways to improve our products, but also the systems that empower them.

What you'll be doing:

As a Full Stack Engineer in the Merchant Experience team, you will be making an impact by iterating on internal APIs and connecting them to our mobile apps and dashboard, allowing merchants to get insights and manage their payments. We expect you to drive the implementation of solutions end-to-end while focusing on high quality.

The team is 100% data-driven and has ambitious KPIs to ensure we’re focusing on the right things. We work in an agile environment, where everyone gets a lot of freedom, as long as it adds value to the products that our users love. Mollie is currently going through a phase of hyper-growth, which comes with many opportunities for growth. Join us and be part of a great journey!

Our architecture

We come from a monolithic background, with our core systems being written mostly in PHP. As our company started to scale up rapidly, we have scaled our infrastructure along with it by employing services, as well as queueing systems.

Mollie’s frontend landscape consists of multiple apps, and each application has its own setup, which is optimized for the app’s purpose. Think of our merchant dashboard, API documentation, mobile apps, etc.

In general, our apps are written using TypeScript, in React. Most of our backend systems are written using PHP/Node and are hosted in the Google Cloud.

We work with flexible and reusable components, have an extensive UI library that we maintain internally, and are always looking for parts of the codebase that we can open-source and share with the community.

As a Full Stack Engineer, you will be building out new features using the UI library that’s maintained by our UI Engineers, and work closely together with them to further improve this library.

Your qualification

• Minimum of 3 years experience with developing full-stack web applications, preferably using PHP/MySQL stacks, in combination with modern Javascript frameworks like React, Vue, or Angular 
• While you don’t have to be an expert on CSS, you are comfortable implementing a user interface using tools like CSS (CSS modules) or CSS-in-JS (Styled Components)
• Knowledge of language primitives. You should feel comfortable interacting with native APIs built into the browser
• Experience with creating public or internal REST APIs
• A knack for creating intuitive user experiences 
• Experience with test-driven development
• You enjoy being a generalist, working on frontend, backend, and sometimes even a bit of DevOps, as needed to solve problems and delight our users. (You don’t need to be an expert in all of these but it helps to be interested in learning about them.)

Will be a plus

• Experience with design systems and/or internally developed component libraries, that is a big advantage
• Experience with Node back-end development
• Experience with Google Cloud
• Experience as a contributor to an open-source project. Contributor to GitHub and/or Stack Overflow

Additional details

Our selection procedure in a nutshell:

• Apply by clicking the button below. The more you share about yourself and the reason you apply at Mollie, the better!
• Let's first have a 'coffee chat' to introduce Mollie, the role and get to know you. This can be via phone or Hangouts
• During the interview phase, we'll inform you as soon as we've decided whether we'd like to proceed with you 
• The interview phase may include a technical assignment to test your technical merits

Because of the current circumstances, we will interview you completely remotely. However, as soon as possible, you will start working at our office in the heart of Lisbon.