java developer for secure communications

Zertificon Solutions develops encryption products that secure business communications. Its Z1 solutions are used by major German companies and medium-sized enterprises across various industries.

• Develop and maintain containerized services that secure communications
• Transform and create a containerized microservice architecture in Java or other languages to develop new products
• Develop and plan enterprise products with the team, finding solutions for innovative products and expanding the company’s market position
• Analyze potential issues and blockers in the development strategy, and plan and act to prevent them
• Build a deep understanding of the team’s and products’ capabilities and coordinate with internal stakeholders
• Align work with other R&D teams to ensure products and components fit the overall development architecture
• Contribute to a cross-functional team and explore new technologies and approaches

• At least 4 years of experience working in a development team and delivering solutions and products
• At least 2 years of practical Java experience; the team mainly uses Java 11/17/21
• Deep knowledge of software architectures, including monoliths and microservices
• Experience with security technologies such as PKI, S/MIME, OpenPGP, X.509 certificates, and PGP keys
• Proficiency with Java 11/17/21, basic Linux commands, ANSI Shell or Bash, Spring MVC, Spring Boot, Spring Data, Spring Integration, NATS, RabbitMQ or Kafka, Docker, Kubernetes, Gradle or Maven, and software testing methodologies
• English at B2 level or higher
• Будет плюсом: Email, SMTP, Java Mail, and Bouncycastle knowledge

• Flexible hours
• Free Germany-wide public transport ticket, bike leasing, or parking
• Meal and home-office internet subsidies
• Urban Sports Club membership
• Office perks include rooftop terraces, a green courtyard, organic fruit and drinks, and personal package delivery to the office
• Monthly Pizza Friday, regular team events, and a summer party
• Structured onboarding, regular feedback, and clear goals
• Profitable for 20+ years, with self-funded innovation and global potential
• International team of 120+ colleagues from 30+ countries and an open, collaborative culture