Open-Xchange

Open-Xchange (OX) is a market leader of secure, open communication and office productivity software, email server software and DNS solutions, with hundreds of millions of users worldwide.

As the leading independent email provider, we work with some of the world’s largest hosters, telcos and ISPs (including partners such as IONOS, KPN, Orange, Italiaonline, NTT, Softbank and TalkTalk), as well as public sector organizations.

Our roots in open source have shaped our view of the world and culture – open, diverse, and with a bias to act, giving everyone at OX room to take responsibility within their team and grow.

As a company, we believe in an internet that is open, safe and free, and create competitive products that allow our customers to deliver secure internet services with great user experience, and that respect privacy and generate value.

With 230+ people worldwide, OX develops and operates open source software (aaS) for mail/messaging and collaboration/productivity. Dovecot is the world’s most popular IMAP server software, and PowerDNS provides secure DNS services to our customers and their users.

Our business is fast-paced and changing constantly. We are always looking for people who share our vision, who want to make a difference, thrive in agile, non-hierarchical environments, and enjoy working in a high-tech environment as part of a truly international team.

OX is headquartered in Cologne, Germany, with further offices in Hamburg, Nuremberg and Olpe), in addition to the USA (Palo Alto, CA, and New York, NY), Finland (Espoo), The Netherlands (The Hague), Italy (Turin), and Japan (Tokyo).

If you're interested in joining OX, please visit: https://ox.io/careers