Software Engineer, Backend Focus

About the role

Virtuozzo builds infrastructure software for AI and the cloud, serving more than 100,000 companies in over 100 countries. Its team develops the Virtuozzo Infrastructure System (V/IS), which combines compute, storage and networking to support traditional applications, cloud-native workloads and AI services. As a Software Engineer, you will build new features, optimise performance and ensure reliability in production, working across the full stack from UI and REST APIs to cluster lifecycle management, virtualisation, monitoring and product updates.

Key responsibilities

• Design and develop new features for V/IS.
• Develop and maintain automated tests to ensure high code quality.
• Improve and optimise existing functionality for performance and scalability.
• Provide support and maintenance for real customer environments.

Required profile

• Strong proficiency in at least one programming language: Python, Golang, C/C++ or Rust.
• Deep understanding of Linux operating system architecture.
• Solid knowledge of networking concepts.
• Excellent problem-solving skills and ability to tackle complex challenges.
• Preferred: experience with hypervisors and container technologies, distributed systems, system programming background, and knowledge of Windows, Linux or FreeBSD kernel internals.

Required skills

• Preferred: automation and infrastructure tools such as Ansible, Bash scripting and Terraform.
• Preferred: Kubernetes orchestration and cloud platforms such as AWS, Azure or Google Cloud.
• Preferred: web development skills (JavaScript, HTML).

What we offer

• Remote and flexible work from European locations.
• A collaborative engineering culture focused on deep technical challenges.
• Professional development through training, certifications and mentoring.
• Group private medical insurance / medical allowance.
• Employee and contributor recognition programmes and incentives, plus referral programme bonuses.