Java Middleware Developer US (Engineering Services)

Open-Xchange GmbH

This position is a launch pad for highly talented individuals into various opportunities, within the many business lines of OX globally. As a member of our innovative team, you will have the unique and rewarding opportunity to be part of new and large scaling projects and shape the way customers get their needs fulfilled.
What do we offer
Working on a modern cloud software in an international teamWide scope to develop your own ideas for our productHome Office and the opportunity to work from one of our well-appointed worldwide officesContinuous personal development & trainingFlat hierarchies combined with a 'Open Door' policy
Your passion / Your job
  • Design and develop high-volume, low-latency custom solutions for mission-critical systems, delivering high-availability and performance
  • Complete applications development by coordinating requirements, schedules, and activities; contributing to team
  • Utilize the latest technology and programming techniques to realize the full capacity of OX
  • Ensure designs are complete and in compliance with specifications
  • Support continuous improvement by investigating alternatives and technologies
  • Analysis of technical problems and communication with our customers in cooperation with our support team
  • Must be very organized with a strong ability to complete work in an environment with multiple daily interruptions. Able to multi-task. Excellent attention to detail and ability to work well under pressure
  • Support of our Sales-Engineering Team in technical questions for customer requests
  • Strong Customer relationships and service deliveries are part of your daily work
What do you bring to the table
  • BS/MS degree in Computer Science, Engineering or a related subject
  • Proven hands-on Software Development experience
  • Proven working experience in Java development
  • Object Oriented analysis and design using common design patterns
  • Excellent knowledge of Relational Databases and SQL (MySQL, Galera)
  • Experience re-factoring existing code to improve readability, code reuse, performance, and maintainability
  • Experience in developing web applications
  • Fundamental knowledge of using the OSGi framework, LDAP and Unix-/Linux based applications
  • Good understanding of revision control systems (eg. GIT or SVN)
  • A bonus would be: Experience constructing RESTful endpoints for UI consumption and knowledge of Linux and Internet Services like Apache
  • Good organizational skills and a proven ability to work as a member of a team and individually
  • Strong customer focused, team oriented communication skills with emphasis on IT Infrastructure and software development.
  • Communication skills that allow you to inform, help and advise customers clearly and to liaise effectively with other professionals listening skills, to understand exactly what customers require
  • Good verbal and written communication skills in English
Who we areWe are a hidden champion. When it comes to open source communication, office productivity and DNS-based security software and services, we are one of the leading players out there. Our 300+ employees around the globe are the reason, why our white label key products – the OX App Suite, Dovecot, and PowerDNS – are used by more than 200 million people for their private and business communications via partners such as Telecom, GoDaddy, Strato, Orange, Comcast, or further questions, please contact Kerstin Florath via
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