{"id":2101201,"url":"https://alion.io/job/opennebula-senior-full-stack-developer","title":"Senior Full-Stack Developer","company":{"id":680269,"name":"OpenNebula","domain":"opennebula.io","url":"https://alion.io/company/opennebula","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Teamtailor","truth_index":{"grade":"B","score":75,"open_postings":3,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-12T06:55:09Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Pozuelo de Alarcón, Spain"],"countries":["ES"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":52000,"max_usd":112000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":24},"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Angular","optional":false},{"name":"Cypress","optional":false},{"name":"Debian","optional":false},{"name":"Git","optional":false},{"name":"JavaScript","optional":false},{"name":"Linux","optional":false},{"name":"Node JS","optional":false},{"name":"npm","optional":false},{"name":"React.js","optional":false},{"name":"Ruby","optional":false},{"name":"Ubuntu","optional":false},{"name":"Vue.js","optional":false},{"name":"TypeScript","optional":true},{"name":"Windows","optional":true}],"status":"live","first_seen_at":"2026-10-08T12:38:28Z","employer_posted_date":"2026-10-08","last_verified_at":"2026-10-12T09:39:43Z","board_verified":true,"closed_at":null,"days_open":4,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":4},"description":"For over a decade now, 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.\nBorn back in the day as an open source platform for Private Clouds, OpenNebula is a powerful, but easy-to-use, open source Cloud & Edge Computing Platform whose community includes nowadays leading companies and public agencies in a wide range of industry niches and countries.\nIf 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!\nCome join us in our distributed, fully-remote, international team, where we promote Creativity, Innovation, Collaboration, Open Communication and Iterative Work, and we´re seeking a Full-Stack Developer to work in the development of the OpenNebula open-source cloud management platform and its new strategic project in edge computing\nSince 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.https://opennebula.io/innovation/\nJob Description\nThe OpenNebula Systems team is looking for a Senior Full-Stack Developer to join the team. You will work across front-end and back-end development, with a stronger focus on front-end, helping us deliver robust, maintainable features for our open-source cloud management platform.\nWe are looking for a versatile developer with solid professional web development experience who is comfortable moving beyond a narrow front-end role. You will take ownership of features, work autonomously, explain technical decisions clearly, and propose improvements. Experience working in Linux environments is important, while exposure to virtualization, CLI tooling, Ruby, or cloud infrastructure will be a strong plus as the role can evolve across different areas of the product over time.\nAs we are an international team, please submit your CV in English.\nResponsibilities\nDesign, develop, and maintain features across the OpenNebula web interface, working primarily on front-end development while contributing to back-end components when needed.\n\nOwn the implementation of new features from development through testing, documentation, and delivery.\n\nWrite well-tested, maintainable code with strong test coverage and a focus on long-term software quality.\n\nTroubleshoot and solve development issues across the front-end/back-end boundary in Linux-based environments.\n\nProduce clear and concise technical documentation and explain your developments and technical decisions to the team.\n\nProactively propose ideas and improvements to the product, codebase, and development practices.\n\nCollaborate closely with other developers and contribute beyond a single layer of the stack as priorities evolve.\n\nExperience Required\nAcademic Background and Certifications\nBachelor’s or Master’s degree in Computer Science, Information Technology, or Engineering.\n\nProfessional Experience\n3+ years of professional software development experience in real production environments, with experience beyond purely front-end work.\n\nHands-on experience developing web applications across both front-end and back-end components.\n\nExperience developing and maintaining user-facing web applications in production.\n\nExperience collaborating on software projects using modern development workflows, version control, and technical documentation.\n\nTechnical Experience\nStrong web development experience with React, Angular, or Vue; willingness to work primarily with React in the day-to-day role.\n\nPractical experience with Node.js, NPM, and modern JavaScript development workflows.\n\nComfortable working independently in Linux-based development environments (e.g., RHEL/AlmaLinux, Ubuntu/Debian).\n\nUse of version control systems such as Git and experience with automated testing practices; Cypress experience is a plus.\n\nComfortable using command-line tools and troubleshooting development environments.\n\nKnowledge of virtualization, Ruby, or OpenNebula/similar cloud platforms is a strong plus.\n\nLanguage Skills\nIntermediate to Advanced English level (B2 or higher) is required.\n\nSoft Skills & Collaboration\nFull-stack mindset, with the flexibility to contribute across front-end and back-end development rather than working in a narrowly defined area.\n\nStrong self-management and accountability, with the ability to take ownership of tasks and deliver work independently.\n\nClear communication skills and the ability to explain your developments, technical decisions, and proposals to others.\n\nCollaborative and pragmatic approach, with a willingness to work closely with teammates and contribute to shared technical decisions.\n\nProduct-oriented mindset, with the ability to turn ideas and requirements into maintainable, production-ready software.\n\nCuriosity and adaptability to broaden your knowledge over time into areas such as virtualization, networking, cloud infrastructure, or other parts of the OpenNebula stack.\n\n What's In It for Me?\nSome of our benefits and perks vary depending on location and employment type, but we are proud to provide employees with the following;\nCompetitive compensation package and Flexible Remuneration Options: Meals, Transport, Nursery/Childcare…\n\nCustomized workstation (macOS, Windows, Linux any distro is welcome)\n\nPrivate Health Insurance\n\n6 hours workday on Fridays and everyday during August\n\nPTO: Holidays, Personal Time, Sick Time, Parental leave.\n\nAll Remote company with bright HQ centrally located in Madrid, and offices in Boston (USA) and Brno (Czech Republic)\n\nHealthy Work-Life Balance : We encourage the right for Digital Disconnecting and promote harmony between employees personal and professional lives\n\nFlexible hiring options: Full Time/Part Time, Employee (Spain/Usa) / Contractor (other locations)\n\nWe 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\n\nBe exposed to a broad technology ecosystem. We encourage learning and researching new technologies and methods as part of your everyday duties","description_format":"text","description_chars":6546,"description_truncated":false,"requirements":{"experience_years_min":3,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[{"language":"English","level":"Upper-Intermediate (B2)","optional":false}]},"benefits":["Health insurance","Parental leave"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Events & Ticketing","Information Technology","Cloud Platforms (IaaS & PaaS)","Virtualization & Containers"],"lifecycle":[{"event":"open","at":"2026-10-08T18:29:38Z"}],"visa":[],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":3,"expected_fill_days":22,"reasons":["conf:3","win:early"],"computed_at":"2026-10-12T06:55:09Z"},"pay":null,"html_url":"https://alion.io/job/opennebula-senior-full-stack-developer","json_url":"https://alion.io/job/opennebula-senior-full-stack-developer.json","meta":{"generated_at":"2026-10-12T13:58:35Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":21921,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-13T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":680269},"rest":"https://alion.io/mcp/rest/get_company?id=680269"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fopennebula-senior-full-stack-developer"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fopennebula-senior-full-stack-developer"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fopennebula-senior-full-stack-developer"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/opennebula-senior-full-stack-developer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fopennebula-senior-full-stack-developer"}]}