Senior Full-Stack Developer
Primary stack
Nice to have's
Job description
About the Position
For over a decade, OpenNebula Systems has been building the open-source technology that helps organizations around the world to manage their corporate data centers and build Enterprise Clouds with unique, innovative features. We are now seeking a Senior Full-Stack Developer to join our distributed, fully-remote, international team. If you want to join an established leader in the cloud infrastructure industry and the global open-source community, keep reading, because you can now join exceptionally passionate, talented colleagues, and help world’s leading enterprises implement their next-generation edge and cloud strategies. We are hiring!
Responsibilities
- Design, develop, and maintain features across the OpenNebula web interface, working primarily on front-end development while contributing to back-end components when needed.
- Own the implementation of new features from development through testing, documentation, and delivery.
- Write well-tested, maintainable code with strong test coverage and a focus on long-term software quality.
- Troubleshoot and solve development issues across the front-end/back-end boundary in Linux-based environments.
- Produce clear and concise technical documentation and explain your developments and technical decisions to the team.
- Proactively propose ideas and improvements to the product, codebase, and development practices.
- Collaborate closely with other developers and contribute beyond a single layer of the stack as priorities evolve.
Requirements
Academic Background and Certifications
- Bachelor’s or Master’s degree in Computer Science, Information Technology, or Engineering.
Professional Experience
- 3+ years of professional software development experience in real production environments, with experience beyond purely front-end work.
- Hands-on experience developing web applications across both front-end and back-end components.
- Experience developing and maintaining user-facing web applications in production.
- Experience collaborating on software projects using modern development workflows, version control, and technical documentation.
Technical Experience
- Strong web development experience with React, Angular, or Vue; willingness to work primarily with React in the day-to-day role.
- Practical experience with Node.js, NPM, and modern JavaScript development workflows.
- Comfortable working independently in Linux-based development environments (e.g., RHEL/AlmaLinux, Ubuntu/Debian).
- Use of version control systems such as Git and experience with automated testing practices; Cypress experience is a plus.
- Comfortable using command-line tools and troubleshooting development environments.
- Knowledge of virtualization, Ruby, or OpenNebula/similar cloud platforms is a strong plus.
Language Skills
- Intermediate to Advanced English level (B2 or higher) is required.
Soft Skills & Collaboration
- Full-stack mindset, with the flexibility to contribute across front-end and back-end development rather than working in a narrowly defined area.
- Strong self-management and accountability, with the ability to take ownership of tasks and deliver work independently.
- Clear communication skills and the ability to explain your developments, technical decisions, and proposals to others.
- Collaborative and pragmatic approach, with a willingness to work closely with teammates and contribute to shared technical decisions.
- Product-oriented mindset, with the ability to turn ideas and requirements into maintainable, production-ready software.
- Curiosity and adaptability to broaden your knowledge over time into areas such as virtualization, networking, cloud infrastructure, or other parts of the OpenNebula stack.
We Offer
- Competitive compensation package and Flexible Remuneration Options: Meals, Transport, Nursery/Childcare…
- Customized workstation (macOS, Windows, Linux any distro is welcome)
- Private Health Insurance
- 6 hours workday on Fridays and everyday during August
- PTO: Holidays, Personal Time, Sick Time, Parental leave.
- All Remote company with bright HQ centrally located in Madrid, and offices in Boston (USA) and Brno (Czech Republic)
- Healthy Work-Life Balance: We encourage the right for Digital Disconnecting and promote harmony between employees personal and professional lives
- Flexible hiring options: Full Time/Part Time, Employee (Spain/Usa) / Contractor (other locations)
- We are building an awesome, Engineering First Culture and your opinion matters: Thrive in the high-energy environment of a young company where openness, collaboration, risk-taking, and continuous growth are valued
- Be exposed to a broad technology ecosystem. We encourage learning and researching new technologies and methods as part of your everyday duties
About the Company
OpenNebula Systems has been building the open-source technology that helps organizations around the world to manage their corporate data centers and build Enterprise Clouds with unique, innovative features. Since 2019, and thanks to the support from the European Commission, OpenNebula Systems is leading the edge computing innovation in Europe, investing heavily in research and development, and playing a key role in the key strategic initiatives of the European Union. Learn more
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