At IONOS, the leading European provider of cloud infrastructure, cloud services and hosting services, you will work together with a wide range of teams. We are characterized by open structures, a friendly working culture and flat hierarchies with a strong team spirit. We firmly believe that work and fun are compatible, and offer you the right environment for this. Our constant growth means that we are always looking for new colleagues. Become part of IONOS and grow with us.
Tasks
- Design and implement security automation and tooling that integrate into the software development and deployment lifecycle.
- Build and maintain internal developer tools such as libraries, SDKs, CI/CD plugins, and policies-as-code systems.
- Contribute code directly to platform and product services for vulnerability remediation, configuration hardening, and secure pattern adoption.
- Work with engineering teams to embed lightweight and actionable threat modeling early in the feature lifecycle.
- Develop and promote secure-by-default patterns and components (e.g. crypto usage, validation, secure configuration, error handling, logging).
- Collaborate with product teams, platform teams, DevOps, and compliance peers to translate security requirements into practical engineering solutions.
- Analyze recurring issues and drive systemic improvements into tooling, documentation, processes, and developer experience.
Qualifications
- Several years of experience in AI driven software engineering with proficiency in Go, Rust, Java or C.
- Strong communication and visualization skills for presentation.
- In-depth understanding of secure coding practices, common vulnerability classes, and cloud-native architectures (Kubernetes, microservices, CI/CD).
- Ability to design, implement, test, and maintain production-grade code.
- Hands-on experience building internal developer tooling, such as SDKs, libraries, CI/CD plugins, or policies-as-code systems.
- Experience with SAST/DAST integration, dependency scanning, fuzzing, or supply chain security.
- Experience in large-scale cloud or platform environments.
Benefits
- Hybrid working model.
- Flexible working hours through trust-based working hours.
- At some locations a subsidized canteen and various free drinks.
- Modern office space with very good transport connections.
- Various employee discounts for activities and products.
- Employee events such as summer and winter parties, as well as workshops.
- Numerous training and development opportunities.
- Various health offers, such as sports and health courses.