Senior Full-Stack Developer

📍 Location: Pozuelo De Alarcon, Madrid Community, Spain

🏢 Industry: Software Development

💼 Work Setting: Remote

Are you passionate about building modern cloud management platforms, developing intuitive web experiences, and contributing to open-source technologies that power enterprise cloud environments? We are seeking a Senior Full-Stack Developer to help design, develop, and enhance a leading cloud infrastructure management platform while driving innovation across both frontend and backend systems.

In this role, you will be responsible for developing new platform capabilities, improving user experiences, and delivering robust solutions that support virtualization, cloud orchestration, and infrastructure management. You will work in a collaborative, distributed engineering environment and play a key role in bringing new features from concept through production deployment.

Key Responsibilities

Front-End Development

• Design, develop, and maintain modern web application interfaces with a strong focus on user experience and usability.
• Build responsive, scalable, and high-performance frontend solutions using modern JavaScript frameworks.
• Collaborate with product and engineering teams to transform requirements into intuitive user-facing features.
• Improve application accessibility, performance, and overall user experience.

Full-Stack Engineering

• Develop and maintain both frontend and backend components of the cloud management platform.
• Design and implement scalable services, APIs, and application logic supporting cloud infrastructure operations.
• Integrate frontend interfaces with backend services and platform capabilities.
• Ensure applications are secure, reliable, and maintainable.

Feature Development & Delivery

• Own features throughout the complete software development lifecycle.
• Participate in requirements analysis, architecture discussions, implementation, testing, and deployment.
• Develop high-quality solutions that meet product, performance, and scalability objectives.
• Deliver enhancements and new functionality within Agile development environments.

Cloud & Infrastructure Platform Development

• Support solutions related to cloud infrastructure management, virtualization, orchestration, and platform automation.
• Develop capabilities that simplify cloud operations and infrastructure administration.
• Contribute to platform improvements that enhance scalability, reliability, and operational efficiency.
• Collaborate on initiatives that support modern cloud-native and hybrid infrastructure environments.

Software Quality & Testing

• Develop automated tests and maintain strong quality assurance practices.
• Participate in code reviews and promote engineering best practices.
• Troubleshoot, debug, and resolve application defects and production issues.
• Ensure applications meet performance, reliability, and maintainability standards.

Open-Source Contributions

• Contribute to the continuous enhancement of open-source software projects.
• Collaborate with distributed engineering teams and technical communities.
• Participate in knowledge sharing, architectural discussions, and innovation initiatives.
• Help improve documentation, development standards, and platform capabilities.

Documentation & Technical Communication

• Create and maintain technical documentation, implementation guides, and development standards.
• Document new functionality, APIs, deployment procedures, and design decisions.
• Clearly communicate technical concepts and project updates across distributed teams.
• Support internal and external users through knowledge-sharing and documentation efforts.

Collaboration & Continuous Improvement

• Work closely with developers, product managers, designers, and infrastructure teams.
• Participate in Agile planning, sprint activities, and technical discussions.
• Recommend improvements to development processes, tooling, and platform architecture.
• Stay current with web technologies, cloud platforms, and open-source trends.

Required Qualifications

• 3+ years of professional software development experience.
• Strong experience developing web-based applications and modern user interfaces.
• Proficiency with:
• React
• Node.js
• JavaScript
• Experience working in Linux environments.
• Knowledge of software development best practices, testing methodologies, and version control systems.
• Strong analytical, problem-solving, and debugging skills.
• Excellent written and verbal communication skills.
• Ability to thrive in a remote and collaborative team environment.

Preferred Skills

• React
• Node.js
• JavaScript
• TypeScript
• Angular
• Vue.js
• Ruby
• Git
• REST APIs
• Front-End Development
• Full-Stack Development
• Cloud Infrastructure
• Virtualization Platforms
• Linux Administration
• Automated Testing
• Open-Source Development
• CI/CD
• Software Architecture