Senior Backend Engineer - Java

About Klarna

Klarna was founded in Stockholm, Sweden in 2005. Since then we've changed the banking industry forever. And now we're creating the world's smoothest shopping experience. We serve over 90 million consumers worldwide, and partner with 250,000 merchants – with a new merchant joining us every 8 minutes. Including some of the world's leading brands, such as H&M, ASOS, IKEA, Adidas, Samsung and Lufthansa. Our offices are spread over 17 different markets, hosted by 4000+ employees from 100+ nationalities.

Engineering at Klarna is an inspired, customer focused community, dedicated to crafting solutions that redefine our industry. Working in small, highly collaborative Agile teams, you and your team will have a clear mission and ownership of an important outcome that supports Klarna and our customers. At Klarna we optimise for quality, flow, fast feedback, focussing on end-to-end ownership, continuous improvement, testing, monitoring and experimentation. We aim for teams that are inclusive, helpful, and have a strong sense of ownership for the things they build.

Our engineers make some of the most significant decisions for the company and we are looking for bold, open and curious developers. As a Klarnaut, you’ll be inspired to contribute to the growth of Europe’s most highly valued fintech and your work will reach millions of users.

Want to be part of the change? As a Senior Engineer at Klarna, you'll be in a cross-functional team and will work with Java alongside other stack. We're currently expanding several of our engineering teams, including; teams working on our core checkout product, payment services, fraud prevention, or improving our billing service and shipping credentials to name a few.

What you’ll get to do

  • As a backend Java developer, you will work within a specific problem space critical to Klarna’s current needs where you will design, develop and deploy backend services with a focus on scalability, high availability and low latency
  • Collaborate and grow in a dynamic and autonomous environment while working in small, agile and cross functional teams
  • Use the latest technologies to solve real problems for our customers at a massive scale
  • Be part of a team that will take full operational responsibility for the services that you own, and potentially take part in an on-call rotation
  • Share your knowledge and build creative solutions while helping the team evolve best practices

Some of the technologies you’ll get to work with

  • Java (latest versions)
  • Spring and Spring Boot
  • Docker and Kubernetes
  • Kafka
  • PostgreSQL, DynamoDB, Elastic search
  • Microservices architecture on AWS

  • We value open source, here’s some of our work - ​https://github.com/klarna

To succeed in this role, we think you should have

  • A few years of software development experience with one or more general purpose programming languages including, but not limited to, Java
  • Great problem solving abilities
  • Bachelor’s degree (or higher) in Computer Science or a related discipline
  • Working proficiency in English

What we can offer you

  • Culture - You'll have an opportunity to work with talented people from 90+ different countries in our brand new English speaking offices in Berlin city center.
  • Learning - We have a learning and development focused environment with an emphasis on knowledge sharing, training, and regular internal technical talks.
  • Compensation - You’ll receive an attractive salary, pension, and insurance plans, plus we offer all of our employees an opportunity to invest in a RSU program and own a stake of the company. You’ll also receive 30 days annual leave and since we recognise that life is about more than work, we also offer benefits for gym memberships and discounted lunch through Smunch. We also support our working parents, so you don’t have to choose between work and family. 
  • Relocation - We can offer relocation support to Berlin.

  • How to apply: please send us your CV or LinkedIn profile in English.


Klarna is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees and candidates. Please refrain from including your picture and age with your application.