2,273,112open jobs
145,239companies
263,114added this week
Browse all
Location
In office (Czech Republic)
Employment
Contractor

Confirmed on the employer's own hiring board on Nov 13, 2026. First seen by Alion on Nov 13, 2026.

Overview
Company
Impact
Profile match
OnApp provides cloud and edge infrastructure orchestration software and is associated in its job ads with Virtuozzo, a cloud infrastructure software provider for service providers, SaaS companies and enterprises. Its postings cover cloud infrastructure solutions architects, territory managers for Benelux and Nordics and technical support engineers. The company is based in the United Kingdom.

About Virtuozzo

Virtuozzo is a provider of infrastructure software for AI and the cloud, helping cloud service providers, SaaS companies, and enterprises build and operate efficient, scalable infrastructure. We offer mainframe-like performance, reliability, and security for hyperconverged infrastructure and services while dramatically lowering overall cost and complexity. Our team combines deep engineering expertise with a relentless focus on performance, scalability, and innovation. We pioneered container-based virtualisation technologies and actively contribute to foundational OSS projects such as OpenVZ, Linux kernel, Kubernetes, CRIU, KVM, OpenStack, and more.

The Role

Lead Virtuozzo's powerhouse engineering team crafting Virtuozzo Infrastructure System. Guide the development of distributed storage, virtualisation, cluster orchestration, high availability, VM management, monitoring, and seamless updates through UI and REST APIs. As a player/coach, you'll mentor top talent, drive technical excellence, and deliver features that scale to millions-perfect if you love leading complex projects while staying close to the code.

Key Responsibilities

  • Lead a team of 5-10 senior engineers: set vision, prioritise roadmaps, and foster a high-performance culture.
  • Architect major features for cluster lifecycle, HA systems, and performance optimisation; contribute hands-on code as needed.
  • Champion code quality by overseeing automated testing strategies, CI/CD pipelines, and technical debt reduction.
  • Collaborate with product, QA, and support teams to resolve production issues and evolve the platform based on customer feedback.
  • Mentor engineers on best practices in Linux systems, networking, and distributed design; conduct code reviews and grow talent.

Required Skills & Experience

  • 5+ years in software engineering with 2+ years leading teams.
  • Expert in Python, Rust, Go, or C/C++ for production systems.
  • Authoritative knowledge of Linux kernel architecture (e.g., NUMA, scheduling, I/O) and networking (SDN, TCP/IP stacks).
  • Proven track record of guiding distributed systems projects; strong problem-solving to unblock teams on tough challenges.
  • Leadership chops: experience mentoring, running agile processes, and delivering under deadlines.

Preferred Skills (Standout Plus)

  • Deep experience with hypervisors (KVM), containers (Docker/Podman), Kubernetes, or distributed storage.
  • Background in system programming, kernel internals (Linux/Windows/FreeBSD), or fault-tolerant architectures.
  • Proficiency in automation (Ansible, Bash, Terraform) and cloud platforms (AWS, Azure, GCP).
  • Web development for UI/REST (JavaScript, HTML/CSS); bonus for performance tuning and observability tools.

What We Offer

    • Remote and flexible working hours (team is in Europe)
    • B2B contracting friendly
    • 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/Contributor perks: recognition programmes, referral bonuses, and learning initiatives, reward programs
    • Share Options- shares in our success with share options
Free account
Stop reading job ads. Get the ones that fit.
One free account turns this page into a shortlist built around your stack, your level and your pay.
Match on every job. Stack, seniority, pay and location, scored against your profile.
2,273,112 open roles. Read straight off company career pages, refreshed every day.
Unlimited applications. Every one you send is tracked in one place, on-site or on a company board.
3 tailored CVs a month. Rewritten for the exact job you are applying to. Included free.
Create a free account Continue with Google
Free forever. No card. Under a minute.

Your match

How well do you fit this role?
Two answers are enough for a real match. No account needed.
Check my fit
Answers stay in this browser until you create an account.

Recommended for you based on this role

Backend
Similar stack
Same company
Czech Republic
In office · Brno
C#
C++
AI/ML
Computer Vision
Apply
Hybrid · Full-Time · Brno
C#
C#
.NET
Databases
Redis
MS SQL
Apache Kafka
DevOps
New Relic
CI/CD
Docker
Kubernetes
Grafana
Management
Scrum
Apply
In office · Full-Time · Brno
SQL
C#
C#
.NET
Databases
MS SQL
ElasticSearch
Apache Kafka
OpenSearch
DevOps
New Relic
Azure
CI/CD
Docker
Kubernetes
Management
Scrum
Kanban
Apply
In office · Brno
C#
C++
C#
.NET
AI/ML
Computer Vision
Apply
Remote (Czech Republic) · Full-Time · Brno
Python
Databases
PostgreSQL
Weaviate
pgvector
Pinecone
Qdrant
ElasticSearch
OpenSearch
AI/ML
LangGraph
LangChain
LlamaIndex
Embeddings
AI Agents
Arize Phoenix
Langfuse
LangSmith
Semantic Kernel
RAG
OpenAI
Anthropic
Semantic Search
LLM Guardrails
Agentic Workflows
DevOps
GCP
OpenTelemetry
Azure
CI/CD
GitOps
Git
AWS
Docker
Kubernetes
Game Dev
Pure Data
Analytics
ETL/ELT
Apply
Remote (Czech Republic) · Full-Time · Czech Republic
Python
Go
JavaScript
TypeScript
C#
C#
.NET
AI/ML
Model Context Protocol
Frontend
Next.js
React.js
Apply
$27k – $43k per year · In office · Full-Time · Jeneč
Apply
In office · Full-Time · Czech Republic
Apply
$81k – $119k per year · Hybrid · 8+ years exp · Bachelor's Degree · Prague
Python
SQL
Ruby
Ruby
Ruby on Rails
Databases
RabbitMQ
Apache Kafka
AI/ML
AI Agents
LLM
RAG
DevOps
GitHub Actions
CircleCI
CI/CD
Jenkins
Git
Management
Agile
QA
TestRail
Playwright
Pytest
Apply
$88k – $108k per year · Remote (United Kingdom, Czech Republic, Netherlands, Spain) · Czech Republic · Ireland · Netherlands · Spain · United Kingdom
AI/ML
Claude
Together AI
Management
Confluence
Apply
See all jobs
This is one of many
2,273,112 more open roles from verified company boards, updated every day.