Java Developer (f/m/d)

1&1 Mail & Media Applications SE | IT Software Development | Munich | Permanent | Full-time | Experienced professionals | Reference ID: 4362

  • Tasks that ignite your passion

    In an agile and cross-functional team you design and implement services for our successful portals WEB.DE, GMX and with over 43 million active customers, growing by 20.000 each day. You develop business-critical systems and data-intensive customer processes, like account registration, account deletion and the management of our customers’ master data by using state-of-the-art technologies. You work on exciting projects over their full lifecycle, increasing the worldwide success of our products.

    • Coding: You write clean, maintainable and testable code, using Java 17. You support quality assurance in test automation.
    • Design: you design and develop large-scale, high-load, and fail-safe software (e.g. RESTful microservices) that runs in our own data centers around the world.
    • Creativity: You participate in architectural decisions, bring in new ideas to improve the code base and features.
    • Collaboration: You work with colleagues from different departments, e.g. colleagues from quality assurance, as well as operations engineers and our product owners.

Advantages you enjoy

Lived corporate culture

Transparency, open communication and short decision-making processes

Wide range of further training

E-learning, seminars, conferences and mentoring

Renowned TEC-Campus

Conferences, lecture series, courses, open source projects, community meetings, user groups

Active health care

Sports and fitness classes, lectures, discounts at fitness and health centers, fresh fruit and drinks for free


Generous subsidy for job bike leasing and the job ticket

Flexible working models

Home office, mobile office, flexible working hours, trust-based working time arrangements

Financial benefits

Company pension scheme, discounts on our products and various leisure activities

Legendary events

Summer and winter parties, additional workshops and team events

  • Your qualifications which inspire us

    You would like to be part of a cross-functional team with a great team spirit? If you also have a passion for new technologies and combine abstract thinking skills with a hands-on mentality - then we are looking forward to your application!

    • You have several years of experience in object-oriented and functional software development in an agile team and are familiar with "clean code" and the development of distributed systems.
    • You should have proven knowledge of most of the following: Java 11 or higher; Spring Boot (and Spring ecosystem in general), REST, Kafka, Docker, Kubernetes, Maven, Kibana, GitLab, Grafana and JUnit5; PostgreSQL.
    • You are a team player with a self-reliant, solution oriented working style.
    • Communicationin English in our multicultural team is no problem for you, as well as documentation and conception in English. German is a plus.
  • Good to know
    • Our corporate culture: „You“ culture and 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 2 days home office/week or near remote work, 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

We are brand. With GMX, WEB.DE and and over 43 million active users, we are the leading email and communication platform in Germany, Austria and Switzerland.

We are future. Our services and apps simplify digital life from cloud storage to news and ID management.

You are at home. Your digital passion finds a professional home with us. Your strength makes us stronger, your expertise complements our ideas, your success becomes visible. Together we shape the digital future.

Diversity enriches. Different cultures, nationalities, genders, age groups, sexual orientations and religions as well as people with disabilities - we desire diversity and encourage it. Because only teams that reflect all facets of society offer the best framework conditions for creativity and make a company productive and distinctive. We value diversity and welcome all applications.

Apply now

We look forward to receiving your application, including your salary expectations and the reference number given above. Please use our online application form. If you have any questions about the position or the application process, please send us an email.

1&1 Mail & Media Applications SE
Recruiting & Candidate Management
Brauerstraße 48
D-76135 Karlsruhe

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