Java / Spring Developer (f/m/d)

at subsidary 1&1 Mail & Media Applications SE in Karlsruhe
Full-time | Permanent | Professionals
Reference ID: M-211

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About us

With our strong brands GMX, WEB.DE and mail.com and over 43 million active users, we are the leading email and communications platform in Germany, Austria and Switzerland. From this strong market position, services and apps are developed that simplify users' digital lives - from office tools and cloud solutions to personal ID management.

Your Tasks

Java is your passion and you would like to develop for more than 43 million customers? Then help us to make our developers’ lives easier by furthering our in-house Spring Boot support libraries! You can expect flexible working hours, whether on site in Karlsruhe and up to 2 days/week in the home office. In addition, you can continuously expand your know-how with Slack Days and Java developer conferences.

• You will plan, implement and integrate central services for our brands WEB.DE, GMX and mail.com.
• You will design and develop scalable, high-load and fail-safe software that is geo-redundantly operated in our own data centers.
• You will develop Java services for our tracking infrastructure using Spring Boot, Kafka and Apache Cassandra, among others.
• You will develop new features and advise developers from other teams on the usage of our libraries and the integration of our systems.
• You will ensure the functionality of our components with development-accompanying tests.

We Appreciate

Do you have a technical degree or comparable apprenticeship? Are you interested in becoming part of an agile team and are you interested in the development of central components operated in our private cloud? Do you take pride in professionally developing high-quality software? Teamwork is a priority for you? Then we are looking forward to your application!

• You have at least two years of professional experience developing with Java and know your way around the Spring ecosystem.
• You develop secure and modern web services using Spring Boot, Spring WebMVC, Spring Security and Java 21.
• Ideally, you’re also experienced with Linux, Kubernetes, Apache Cassandra and Kafka.
• You enjoy learning new things, have strong communication skills and like to work precisely.

What else we would like to tell you

• Our corporate culture: No dress code, flat hierarchies, open and transparent communication
• Individual development opportunities: diverse training courses, e-learning and internal communities, language courses, mentoring
• Events: Slack Days, open source projects, meet-ups
• Relocation service: support with the relocation to Germany
• Benefits and additional services: company pension scheme, capital-forming benefits, discounts on own products, job ticket, bike leasing, corporate benefits portal
• Attractive working conditions: 30 days holiday, hybrid working, full-time and part-time arrangements, free choice between Linux, Mac or Windows
• Social: team events, summer and winter parties, family and care service, sports and fitness programmes, subsidised canteen, free fruit and drinks, health courses
• Topics that are also important to us: Sustainability, diversity and our values and leadership principles - find out more on our website mail-and-media.com

apply online now