Full time (permanent contract)

Full remote, hybrid or on site (Grenoble, France)

As a Xen Orchestra Backend Developer at Vates, you will join the Xen Orchestra (XO) backend team, playing a key role in enhancing our open-source platform. You will work on critical features like backup systems, APIs, and a variety of plugins (e.g., authentication, backup reporting). In addition to development, you will provide advanced support on these key functionalities. Working in an open-source environment, autonomy, collaboration, and responsiveness to user needs are essential.

• Develop and maintain backup systems within XO
• Design and manage both internal and external APIs
• Create and improve plugins for authentication, backup reporting, and other functionalities
• Provide advanced technical support for the features you develop
• Participate in code reviews (Pull/Merge Requests) in collaboration with the team
• Follow best development practices and contribute to continuous process improvement

• Proficiency in JavaScript/TypeScript, especially with Node.js
• Basic knowledge of Linux administration (systemd services, NFS mounts)
• Experience with git and Pull/Merge Request processes
• Fluent in English, both written and spoken
• Ability to work independently, solve problems proactively, and seek help when needed
• Empathy for users, with the ability to understand and address their needs
• Familiarity with OpenAPI and Swagger
• Experience with databases like Redis, LevelDB, SQLite
• Knowledge of WebAssembly or Rust
• Familiarity with DevOps practices, especially Docker and Kubernetes
• Understanding of Agile/Scrum methodologies

Vates is a French software company specializing in Open Source and virtualization with a deep commitment to open, collaborative development. Our main projects, Xen Orchestra and XCP-ng, span the full virtualization stack—from the hypervisor (Xen) and virtualization platform (XCP-ng) to management and VM backups (Xen Orchestra). Our team works across multiple countries, fully embracing remote work with transparent workflows and accessible communication channels. At Vates, we are driven by a strong, people-first culture that values benevolence, inclusivity, and a horizontal structure. Every member is empowered to contribute ideas, make decisions, and grow with the company. Our open-source model is core to everything we do, not just in our code, which is available on GitHub and GitLab, but in our collaborative approach with the community. We believe in "upstream first," dedicating our expertise and resources to support and advance foundational projects like Xen, and helping contributors of all levels join us on this journey.