Java Developer in a company delivering user-friendly solutions in cyber security

You are to become an important team member for developing and maintaining new, containerized services that make communication secure for everyone.

Your influence on the team will boost the pace of innovation and success for the whole company. Be ready to dive into a new world of loose boundaries, enabled by Microservices connected via Message Brokers. You'd like to create your Service with Go? Go for it! You found a new concept, new framework, or library? Bring it to the table! Find yourself in a world of open-minded people seeking kindred spirits. The mix of freedom and responsibility will become part of your daily life.

Help us transforming and creating a containerized microservice architecture in Java (or other Languages) to develop new products.

• Together with the team, proactively develop and plan our enterprise products, finding new ways and solutions to create bleeding-edge products, expanding our position on the market
• Analyze the possible issues or blockers within the development strategy and plan and act in prevention
• Develop a deep understanding of the team/products capabilities and act as an effective coordinator with the team interacting with internal stakeholders
• Align your teamwork with the other RND teams to make sure that your product and it's components fit into the overall development architecture
• Be part of a cross functional team, not shying away from endeavors into new technologies and thought patterns

• You have successfully worked in a development team for at least 4 years and successfully managed to deliver solutions and products with that team
• You have at least 2 years of practical experience working with Java. We work mainly with Java11/17/21
• You have deep knowledge and understanding of software architectures like monoliths and microservices
• You have experience with security, e.g. PKI, S/Mime, OpenPGP, X.509 Certificates, PGP Keys
• Ideally, you already have knowledge about Email, SMTP, Java Mail and Bouncycastle
• You have a good level on English (at least B2)

You are proficient with following technologies:

• Java: Java 11/17/21
• Linux: Basic proficiency in Linux commands
• Shell Scripting: ANSI Shell, Bash
• Frameworks: Spring MVC, Spring Boot, Data, Integration
• Message Brokers: NATS/RabbitMQ/Kafka
• Containerization: Docker, Kubernetes
• Microservice Design: Experience with microservice architecture
• Monoliths: Experience with monolithic applications
• Build Tools: Gradle/Maven
• Software Testing Methodologies

• Flexible working hours and home office possible
• Mobility: free Germany ticket, job bike leasing or car parking
• Allowances for food (e.g. Lieferando) and internet in the home office
• Benefits in the office: Roof terraces & green courtyard, organic fruit and drinks, parcel acceptance
• Get-together: pizza Friday in the office, regular team events, big summer party

Zertificon ist ein führender Software-Hersteller im Bereich IT-Sicherheit mit Sitz in Berlin. Seit 1998 sichert Zertificon elektronische Geschäftskommunikation von Unternehmen aller Größen und Branchen mit E-Mail-Verschlüsselung und digitalen Signaturen.

Zertificons Produktportfolio befindet sich in ständigem Wachstum und umfasst Lösungen zur sicheren Übertragung von E-Mails und Dateien inklusive des zugehörigen Schlüssel-, Zertifikats- und Passwortmanagements.

Z1 SecureMail Gateway als hoch effiziente Serverlösung für E-Mail-Verschlüsselung und -Signatur erfüllt durch optionale Erweiterungen alle vorstellbaren Anforderungen der sicheren B-to-B und B-to-C Kommunikation. Das Gateway bietet neben der PKI-basierten Verschlüsselung (S/MIME & OpenPGP) auch reine Passwortverschlüsselung für Empfänger ohne PKI.

Z1 SecureMail End2End bietet den State-of-the-Art der Ende-zu-Ende-Verschlüsselung und ermöglicht in Kombination mit Z1 SecureMail Gateway eine flexible alltagstaugliche Unternehmenslösung mit Zugriff für Antivirus, Antispam, Data Loss Prevention etc.

Z1 CertServer ist eine hochautomatisierte Zertifikatsmanagement- und Validierungslösung, die Nutzern und Anwendungen als zentrale Anlaufstelle für die Suche, Prüfung und Veröffentlichung von Zertifikaten dient.

Z1 SecureHub ist die Lösung für die sichere und sofortige Übertragung großer Dateien.

Zertificons Kunden umfassen namhafte Organisationen und Unternehmen u.a. aus den Bereichen Finanzen, Automotive, Industrie, Gesundheit, öffentlicher Sektor sowie Rechtsanwälte, Steuerberater und viele mehr.