Java Core Developer - Software Engineer II

In its journey to make payments and money management effortless for every business in Europe, Mollie is looking for software engineers to join our big team. With the headquarters in the very heart of Amsterdam, recently we successfully launched an Engineering Hub in Lisbon and we are set to replicate this journey in one of the most vibrant cities in Europe: Milan!

As a Software Engineer II working on the Java Platform, you will be an integral part of our Developer Enablement domain, enabling more teams to adopt Java and Spring Boot. You will collaborate with engineers from many teams across Mollie to make Spring Boot services a first class citizen within Mollie. This is a unique opportunity to be involved in the early stages of helping Mollie to adopt Spring and Java from being a PHP environment only a couple of years ago.

What you’ll be doing

• Improving the developer experience for everyone when adopting Java and Spring inside Mollie

• Work with Java enthusiasts as well as Developers new to the JVM across the company

• Develop and adapt libraries Mollie usecase

• Improve our deployment and packaging to GCP

• Help establish a golden path on how to build Java applications at Mollie

• Guide and support contributions to the platform from across a wide range of teams and individuals.

Our architecture

Mollie’s Java platform is organised in a monorepo structure, with many services being developed, deployed and tested as part of a single gitlab repository. We use maven and gitlab to test, package and deploy our applications to kubernetes on Google Cloud Platform. Our applications are developed using Spring Boot, running on Java 21.

Besides Java Mollie supports a large codebase of PHP, which supports large areas of the business, with engineers working in either or, or both.

What you’ll bring

• A minimum of 4 years of experience in developing Java applications and libraries.

• Strong knowledge of the JVM, Java and Spring Boot.

• You know how to roll out changes across multiple teams, and how to work with CI/CD pipelines and deployments.

• You like to work with others either supporting the journey of new developers, or taking ideas from proof of concept to production ready solutions.

• You are willing to learn or already have knowledge of PHP, providing empathetic support to people working in both environments

Nice to haves

• Experience with Google Cloud Platform.

• Previously worked within the Payments, FinTech or high scale B2B SaaS space.

• Track record of working on developer experience across teams.

• Experience mentoring other engineers. You like helping others grow and succeed.

• Experience working with teams across multiple locations.