Software Engineer – Cloud Security

WebHosting; Paris; Hybrid; EUR 90,000 - 120,000; Full time

Benefits offered by this job

Hybrid work up to 3 days remote per wk

Health benefits and meal provisions

Job summary

Scaleway is expanding its Secret Service team to design and operate secure cloud services within Europe’s sovereign cloud ecosystem. The Software Engineer will build secure backend services powering Key Manager, Secret Manager and Audit Trail, with a strong emphasis on cryptography, HSMs, and PKCS#11 interfaces.

You will work in a collaborative, international environment, contribute to security best practices, and help scale cloud infrastructure with Go, Docker, Terraform and observability tools.

Qualifications

• Solid experience in Backend Software Engineering or DevOps with security/reliability focus.
• Strong development skills in Go (Golang) or Python equivalent to go productivity.
• Good understanding of cryptography, key management and secure backend architectures.
• Knowledge of Hardware Security Modules (HSMs) and PKCS#11 interfaces.
• Hands-on experience designing REST APIs and backend services.
• Linux environments, networking fundamentals and security best practices.
• Experience with Docker, Terraform, GitLab CI/CD; observability with Loki.
• Familiarity with PostgreSQL and production security considerations.
• Understanding of cloud infrastructure and distributed systems; SecNumCloud familiarity is a plus.

Responsibilities

• Design, develop and maintain secure backend services powering Key Manager, Secret Manager and Audit Trail.
• Build robust, high-performance APIs for cryptographic key management and secure access to resources.
• Work with Hardware Security Modules (HSMs) and PKCS#11 interfaces.
• Contribute to architecture of security-critical infrastructure with reliability and resilience.
• Develop and maintain Go-based services; improve automation with Terraform, Docker and GitLab CI/CD.
• Implement observability and monitoring with Loki and ensure secure data handling in PostgreSQL.
• Collaborate with engineering and infrastructure teams on security challenges.

Skills

Go (Golang)

Backend software engineering

Cryptography

HSMs knowledge

PKCS#11

REST APIs

Linux

Security best practices

Cloud infrastructure

Security/compliance frameworks

Tools

Docker

Terraform

GitLab CI/CD

Loki

PostgreSQL

Job description

Job Description

OUR STORY: Join Scaleway and shape the sovereign cloud of tomorrow! Since 1999, we have been designing secure, sustainable infrastructures aimed at supporting the most ambitious companies. Historically known for our dedicated servers (Dedibox), we made a strategic shift to cloud computing in 2015. Staying true to our principles of simplicity, flexibility, and technical excellence, we have become one of the leading players in Europe in the sector. With the rise of artificial intelligence, we have strengthened our commitment, supported by the Iliad Group, which is investing €3 billion to develop a serious, sovereign AI alternative to American and Asian giants. Every day, thanks to our fast-growing portfolio of cloud and AI products (bare metal, containerization, serverless, AI, etc.), Scaleway proudly serves thousands of customer across the private and public sector, from corporations like France Télévisions or Hachette Livre, to fast-growing startups like Photoroom and Biolevate, to institutions like the City of Copenhagen. Our offices are located inParis, Lille, Toulouse, Rennes, Rouen, Bordeaux and Lyon.

WHY WE NEED YOU?

As Scaleway continues to grow, we are strengthening ourSecret Service teamto expand our security product portfolio, includingKey Manager, Secret Manager and Audit Trail, and support the increasing security requirements of our cloud customers.

As aSoftware Engineer, your mission will be todesign, build and maintain critical security servicesat the heart of Scaleway’s cloud infrastructure.

You will work on challenging technical topics involvingcryptography, Hardware Security Modules (HSMs), key management and secure backend architectures, ensuring the reliability, security and scalability of our services.

This is an opportunity to contribute directly to the development ofsecure, reliable and compliant cloud services, while helping strengthen Europe’s sovereign cloud ecosystem.

YOUR FUTURE TEAM

At Scaleway, we work in a collaborative and international environment where knowledge sharing, technical excellence and diverse perspectives help us build ambitious products at scale.

You will join ourSecret Service team, composed of 4 people (1 manager and 3 Software Engineers), responsible for developing and operating key security services across Scaleway’s cloud platform.

The team works at the intersection ofbackend engineering, cybersecurity and cloud infrastructure, building services that protect sensitive data, manage cryptographic keys and support secure access to cloud resources.

You will work in a collaborative environment with a strong focus on ownership, technical quality and continuous improvement, followingKanban practices, backlog refinement and bi-weekly retrospectives.

YOUR DAILY ROUTINE

Design, develop and maintain secure backend servicespowering Key Manager, Secret Manager and Audit Trail.

Build and improverobust, high-performance APIsfor cryptographic key management and secure access to sensitive resources.

Work withHardware Security Modules (HSMs)and integrate cryptographic operations throughPKCS#11 interfaces.

Contribute to the architecture and evolution ofsecurity-critical infrastructure, with a strong focus on reliability, availability and resilience.

Develop clean, maintainable and scalable software usingGo (Golang).

Improve infrastructure automation and deployment processes usingTerraform, Docker and GitLab CI/CD.

Implement and maintain observability, monitoring and logging solutions using tools such asLoki.

Work withPostgreSQLto ensure reliable and secure data management.

Contribute to security best practices and compliance requirements, particularly within theSecNumCloud framework.

Collaborate with other Engineering and Infrastructure teams to solve complex security challenges and continuously improve our services.

HARD SKILLS

Solid experience inBackend Software Engineering, Infrastructure Engineering or DevOps, ideally in environments with strong security or reliability requirements.

Strong development skills inGo (Golang), or proficiency in another backend language like Python with the ability and motivation to quickly become productive in Go.

Good understanding ofcryptography, key management and secure backend architectures.

Knowledge ofHardware Security Modules (HSMs) and PKCS#11 interfaces, or a strong interest in developing expertise in these areas.

Hands-on experience designing, developing and maintainingREST APIs and backend services.

Good knowledge ofLinux environments, networking fundamentals and security best practices.

Experience withDocker, Terraform, Git and GitLab CI/CD.

Familiarity withPostgreSQL and observability tools such as Loki.

Understanding ofcloud infrastructure, distributed systems and production environments.

Familiarity withSecNumCloud or other security and compliance frameworksis a plus.

SOFT SKILLS

Ownership & Autonomy:You take responsibility for your work and drive technical topics from design to production.

Problem-solving:You enjoy investigating complex technical challenges and developing pragmatic, reliable solutions.

Security Mindset:You naturally consider security, reliability and maintainability in your engineering decisions.

Collaboration:You enjoy working in a small team, sharing knowledge and collaborating with other engineering teams.

Curiosity & Continuous Learning:You are eager to explore new technologies, particularly around cryptography, cloud infrastructure and cybersecurity.

Communication:You can clearly explain technical decisions, share ideas and contribute to constructive discussions.

WHAT YOU WILL FIND AT SCALEWAY ++++

• Hybrid work: We offer up to 3 days of remote work per week.
• Offices: Our offices are spacious, dynamic workspaces with bold design, conveniently located near public transport. Most of our offices feature outdoor spaces (terraces) and bike parking facilities.
• Dining: Our chef provides a healthy meal service at the headquarters, and breakfast is available across all our sites year-round. Scalers working from regional sites enjoy a Swile card for lunches.
• Well-being commitments: Whether it’s access to a gym, daycare places, or discounted services for caring services, Scaleway is committed to supporting Scalers in maintaining a balanced life.
• International environment: With dozens of nationalities, Scaleway offers a stimulating environment where English is as widely spoken as French.
• Career & Mobility: Our managers value internal mobility, and opportunities to transition to other entities within the Iliad Group are accessible to all Scalers.

Why join the Scaleway adventure?

• Discovery call with a recruiter (30 min)
• A discussion with the Engineering Manager of the tribe (n+2)
• Technical discussion with the direct Manager and a team member to understand your technical skills and approach to the role (60 min)
• Team interview to deepen discussions and assess your fit with the team (45 min)