Senior Software Engineer – Virtuozzo Hybrid Infrastructure

About Virtuozzo

Virtuozzo is a leading innovator in virtualization and cloud infrastructure solutions, empowering service providers worldwide to build and manage any cloud—private, public, or hybrid—efficiently and cost-effectively. We pioneered container-based virtualization technologies and actively contribute to foundational OSS projects such as OpenVZ, Linux kernel, Kubernetes, CRIU, KVM, OpenStack, and more

The Role

Join Virtuozzo's elite engineering team building Virtuozzo Hybrid Infrastructure, a cutting-edge platform empowering service providers to deliver scalable, software-defined data centers. We orchestrate distributed storage, virtualization, cluster management, high availability, VM lifecycle, system monitoring, and zero-downtime updates via intuitive UI and REST APIs. If you thrive on solving real-world infrastructure challenges at scale, this is your chance to shape the future of hybrid cloud.

Key Responsibilities

• Architect and implement innovative features for cluster orchestration, VM management, and high-availability systems.
• Build and maintain comprehensive automated tests (unit, integration, E2E) to drive exceptional code quality.
• Optimize performance-critical codepaths and refactor legacy components for reliability and efficiency.
• Troubleshoot and support production environments for global customers, turning insights into product improvements.

Required Skills & Experience

• Expert-level proficiency in Python, Rust, Go, or C/C++ with a track record of production-grade systems.
• Deep expertise in Linux kernel architecture, including process scheduling, memory management, and syscalls.
• Strong grasp of networking fundamentals (TCP/IP, routing, SDN) and distributed systems principles.
• Proven ability to dissect and solve intricate, ambiguous problems under pressure.

Preferred Skills (Standout Plus)

• Hands-on experience with hypervisors (KVM, etc.), containers (Docker, Podman), or orchestration (Kubernetes).
• Background in distributed storage, fault-tolerant systems, or system-level programming.
• Knowledge of kernel internals across Linux, Windows, or FreeBSD.
• Proficiency in automation tools like Ansible, Bash, Terraform, or IaC practices.
• Exposure to cloud platforms (AWS, Azure, GCP) and web tech (JavaScript, HTML/CSS for UI).

Why Virtuozzo? Work on battle-tested tech used by millions, collaborate with world-class engineers, and enjoy flexible remote options, competitive comp, and growth opportunities in a company pushing hybrid infrastructure boundaries.
Apply now and build the infrastructure that powers tomorrow.

What We Offer 

• Remote and flexible working hours anywhere in EMEA
• Group private medical insurance
• Professional growth: training budget, certification support, mentorship, and career progression pathways
• Inclusive, multicultural team: work alongside talented engineers from across the globe on infrastructure-grade cloud products
• Employee perks: recognition programs, referral bonuses, and learning initiatives such as book clubs or tech talks
• Share Options – shares in our success with share options