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Virtuozzo

Frontend Developer, VHI

Sorry, this job was removed at 10:22 p.m. (GMT) on Tuesday, Jan 20, 2026
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In-Office or Remote
Hiring Remotely in Madrid, Comunidad de Madrid
In-Office or Remote
Hiring Remotely in Madrid, Comunidad de Madrid

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About Virtuozzo

Virtuozzo is a pioneering force in virtualization and cloud infrastructure, powering service providers globally with reliable, scalable, and efficient solutions. Born from innovations in container-based virtualization, we continue to contribute to major open-source projects like OpenVZ, Linux kernel, Kubernetes, CRIU, KVM, and OpenStack.

Joining Virtuozzo means you're part of a globally distributed team building infrastructure that powers the alternative cloud movement. We are hiring Frontend Developers to join us in our remote European team to: 

Role & Responsibilities

  • Design, build, and maintain efficient and reliable JavaScript code for Frontend
  • Modify existing Frontend codebase to add new functions, adapt to new hardware, browser updates, operating systems, improve performance and enhance usability
  • Design, build, and maintain unit, integration and functional tests for the Frontend application
  • Participate in all aspects from detailed programming to high level design of UI features
  • Analyze requirements and develop innovative, useful software solutions
  • Perform code reviews, implement unit tests, debug, and integrate code
  • Develop and maintain end-to-end (e2e) automated tests
  • Interact closely with Backend, Storage, Product Management teams and other Virtuozzo group collaborators

Requirements

  • 7+ years of work experience in professional software development projects
  • Extensive experience in React
  • Strong software design and programming skills, with proficiency in browser and server-side JavaScript
  • Experience in Vue.js or other modern frontend frameworks is a plus
  • Experience in automation testing using Playwright or TestCafe
  • Knowledge of software engineering principles (algorithms, data structures, multithreading/multiprocessing)

What We Offer 

  • Remote and flexible working hours for EMEA (Europe locations only)
  • 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

What you need to know about the Belfast Tech Scene

If asked to name the birthplace of the RMS Titanic, you might not say Belfast. Similarly, if asked to name Europe's leading destination for foreign direct investment in new software development, Belfast might not come to mind. Yet, both are true. The city has emerged as a tech powerhouse, recently ranked among the best in the U.K. for tech careers — especially for software developers. It also leads the U.K. with the highest percentage of software development jobs advertised.

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