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Zertificon Solutions – Software Manufacturer since 2004.
We are IT security specialists: our products encrypt business communications. More than 25% of the 100 highest-revenue companies in Germany, as well as hundreds of medium-sized enterprises across all industries, already use our Z1 encryption solutions. We have big plans and continue to grow steadily. Nearly 130 employees are already working with us in Neukölln. Join our professional, highly qualified team: take on challenges, share your knowledge, learn new things, and discover your potential!

Java Developer (f/m/d) in a company delivering user-friendly solutions in cyber security

Responsibilities

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

Qualifications

• 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 

We offer:

• Flexible hours and home office options
• Mobility: free Germany-wide public transport ticket, bike leasing, or parking
• Subsidies for meals: (e.g., delivery services) and home office internet
• Urban Sports Club membership for flexible fitness and wellness
• Office perks: rooftop terraces & green courtyard, organic fruit and drinks, personal packages accepted at the office
• Get-togethers: monthly Pizza Friday, regular team events, big summer party
• Responsible leadership: structured onboarding, regular feedback, clear goals
• Innovative without startup risk: profitable for 20+ years, self-funded innovation with strong global potential
• International team: 120+ colleagues from 30+ countries, open and collaborative culture

If that resonates with you, we’d love to hear from you.

Want to know more? Please have a look at our Work at Zertificon page: https://www.zertificon.com/en/it-jobs-berlin/work-at-zertificon

Questions?

You can reach our HR team at

jobs@zertificon.com