Software Engineer – Cloud Security

The role

You will design, build and maintain security services at the heart of Scaleway's cloud, including Key Manager, Secret Manager and Audit Trail. The work covers cryptography, Hardware Security Modules and secure backend architectures.

What you will do

• Design, develop and maintain secure backend services for Key Manager, Secret Manager and Audit Trail.
• Build and improve robust, high-performance APIs for cryptographic key management and secure access to sensitive resources.
• Work with Hardware Security Modules (HSMs) and integrate cryptographic operations through PKCS#11 interfaces.
• Contribute to the architecture and evolution of security-critical infrastructure focused on reliability, availability and resilience.
• Develop clean, maintainable and scalable software using Go (Golang).
• Improve infrastructure automation and deployment processes using Terraform, Docker and GitLab CI/CD.
• Implement and maintain observability, monitoring and logging solutions using tools such as Loki.
• Work with PostgreSQL to ensure reliable and secure data management.
• Contribute to security best practices and compliance requirements, particularly within the SecNumCloud framework.
• Collaborate with other Engineering and Infrastructure teams to solve complex security challenges.

Required qualifications

• Solid experience in Backend Software Engineering, Infrastructure Engineering or DevOps, ideally in environments with strong security or reliability requirements.
• Strong development skills in Go (Golang), or proficiency in another backend language like Python with the ability to quickly become productive in Go.
• Good understanding of cryptography, key management and secure backend architectures.
• Knowledge of Hardware Security Modules (HSMs) and PKCS#11 interfaces, or a strong interest in developing expertise in these areas.
• Hands-on experience designing, developing and maintaining REST APIs and backend services.
• Good knowledge of Linux environments, networking fundamentals and security best practices.
• Experience with Docker, Terraform, Git and GitLab CI/CD.
• Familiarity with PostgreSQL and observability tools such as Loki.
• Understanding of cloud infrastructure, distributed systems and production environments.
• Ownership and autonomy: you drive technical topics from design to production.
• Problem-solving and a security mindset in engineering decisions.
• Collaboration and clear communication of technical decisions.

Nice to have

• Familiarity with SecNumCloud or other security and compliance frameworks.

Benefits

• Hybrid work with up to 3 days of remote work per week.
• Breakfast available year-round at all sites.
• Healthy meal service at headquarters.
• Swile card for lunches for regional site staff.
• Access to a gym, daycare places and discounted caring services.
• International environment where English is widely spoken.
• Internal mobility, including transitions to other Iliad Group entities.
• Data centers powered solely by renewable energy since 2017.

Before you apply

• The process includes a discovery call with a recruiter (30 min), a discussion with the Engineering Manager (n+2), a technical discussion with the direct manager and a team member (60 min), and a team

About the company

Scaleway is a European cloud provider founded in 1999, shifting to cloud computing in 2015, and backed by the Iliad Group's investment in sovereign AI. It serves private and public sector customers with over 100 cloud products.