Empleos de open source software release engineer en Madrid

Liferay, Inc. is seeking a backend-focused engineer with strong frontend architecture understanding to join the Frontend Infrastructure team. You will design, build, and optimize backend frameworks, tooling, and delivery pipelines powering the frontend ecosystem, while maintaining robust server-side practices and a broad view of client‑side consumption....

OpenNebula Systems seeks a Cloud Systems Engineer to design, deploy, and support large edge and cloud-based solutions across Europe. You will work with open source technologies, interfacing with users, and helping optimize cloud-edge use cases. The role requires hands-on experience with cloud integration, virtualization, and monitoring, plus strong English...

Your missionWho we areEstablished in ****, Ultralytics boasts a global presence with over 100,000 organizations worldwide using Ultralytics YOLO.At Ultralytics, we commit to the relentless innovation in the AI space and seek team members who resonate with our ambition to democratize the power of AI and make it accessible and available to all.Our vision is to...

Treelogic busca un Consultor de Ingeniería de Datos con amplia experiencia en consultoría y en proyectos internacionales para unirse a su equipo. El candidato debe estar orientado al cliente y familiarizado con mantenimiento y entornos de servicio.Se valorará experiencia en AWS, Data Engineering, orquestación de pipelines y herramientas open source....

A leading data technology company in Madrid is looking for motivated Software Engineers to join their dynamic development teams. You will solve data engineering challenges, work on both open-source and proprietary products, and mentor junior developers. Candidates should have a strong background in Java and be passionate about open-source projects.

OpenNebula Systems seeks a Cloud Systems Engineer to design, deploy, and support large edge and cloud-based solutions across Europe. You will work with open source technologies, interfacing with users, and helping optimize cloud-edge use cases.The role requires hands-on experience with cloud integration, virtualization, and monitoring, plus strong English...

Jobgether is seeking a Senior Software Engineer to contribute to Storybook from a fully remote setup in Europe, with core overlap hours 09:00–15:00 UTC. You will help shape APIs, improve developer experiences, and advance AI-driven workflows for frontend development.You will engage with a global community of maintainers, contributors, and cross-functional...

Filigran is seeking a Senior Software Engineer who is AI-first and hands-on, capable of driving AI-native engineering across our XTM Foundation. You will experiment with AI coding tools, build guardrails for safe deployment, and work with multiple product teams to embed AI into daily workflows. You will help the organization scale AI practices, contribute to...

Canonical is hiring a Web/UI Engineer to develop data-rich frontends using JS, CSS, React and Flutter for Canonical's enterprise products served to customers worldwide. This globally remote role collaborates with a central Vanilla Framework team to build accessible, high-performance interfaces and contribute to API design and documentation.We seek...

Canonical is seeking cloud solutions architects who design private and public cloud solutions using Kubernetes, OpenStack, Ceph, and related technologies. You will deploy, test, and hand over solutions to support teams, and develop Python-based Kubernetes operators. The role involves hands-on work, architecture presentations, and training with a focus on...

We’re on the lookout for a talented Software Engineer (Go) 50–80K EUR | Full Remote (Spain) | Work with AI dev tools | Series A startup backed by top US VCs. Thanks for your interest in Agentero! While we’re not actively hiring for Backend Engineers right now , we’re keeping an open talent pool for exceptional candidates. If your profile is a strong...

We’re on the lookout for a talented Software Engineer (Go)50–80K EUR | Full Remote (Spain) | Work with AI dev tools | Series A startup backed by top US VCs. Thanks for your interest in Agentero! While we’re not actively hiring for Backend Engineers right now, we’re keeping an open talent pool for exceptional candidates. If your profile is a strong...

Jobgether is seeking an experienced software engineer to build and scale a high-performance object storage platform used by developers worldwide.You will contribute across the full technology stack, from client libraries and command-line tools to storage servers, content delivery networks, and deployment infrastructure.You will tackle distributed systems...

Mozilla Corporation is seeking a Senior Software Engineer to advance Firefox security.You will design, implement, and ship security features for enterprise users, contribute to Firefox security architecture across multiple OS, and collaborate with cross-functional teams.You'll bring 3+ years in low-level software, strong C/C++, knowledge of security...

The Speech Team at the Barcelona Supercomputing Center is seeking a Machine Learning Engineer with hands-on experience in speech technologies, deep learning, and model development for speech synthesis. The role focuses on TTS research, implementation, and collaboration with open-source initiatives. You will work on state-of-the-art language technologies,...

Prolific is seeking Aerospace Engineers for a task-based AI training program. Join our global, fully remote talent pool to design, validate, and iterate CAD models using open‐source tools and Python scripts, with flexible hours and PayPal payments. Selected participants will complete a brief screener (about 10 minutes, paid at $12/hour) and, for project...

OpenNebula Systems seeks a Cloud Systems Engineer to design, deploy, and support large edge and cloud-based solutions across Europe. You will work with open source technologies, interfacing with users, and helping optimize cloud-edge use cases. The role requires hands-on experience with cloud integration, virtualization, and monitoring, plus strong English...

OpenNebula Systems is hiring a Senior Full-Stack Developer to work on the OpenNebula web interface and its edge computing initiative. You will lead frontend development with opportunities to contribute to backend components, thrive in an autonomous, cross-functional team, and impact a widely used open-source cloud platform. The ideal candidate has strong...

Mozilla seeks a Senior Software Engineer for AMO, delivering features and platform modernization across Python/Django-based systems. You’ll drive architectural improvements, enhance automated moderation pipelines, and collaborate with engineers, reviewers, and community contributors to ship reliable software used by millions.You’ll contribute to CI/CD...

Treelogic busca un Consultor de Ingeniería de Datos con amplia experiencia en consultoría y en proyectos internacionales para unirse a su equipo. El candidato debe estar orientado al cliente y familiarizado con mantenimiento y entornos de servicio. Se valorará experiencia en AWS, Data Engineering, orquestación de pipelines y herramientas open source....