Senior Java/Kubernetes Developer

This position is posted by Jobgether on behalf of a partner company. We are currently looking for a Senior Java/Kubernetes Developer in Spain.

This is an exciting opportunity for an experienced backend engineer to contribute to large-scale international technology projects within a cloud-native environment. You will work on the development of modern enterprise applications and microservices architectures deployed on Kubernetes infrastructure. Collaborating with architects, analysts, testers, and project managers, you will help design and deliver scalable, secure, and high-performing systems. The role combines advanced Java development with DevOps, cloud engineering, and container orchestration practices. You will contribute to innovative technical solutions while working in a highly collaborative and international remote environment. This position is ideal for professionals who enjoy solving complex technical challenges and building resilient cloud-based applications with long-term impact.

This role focuses on developing, deploying, and maintaining cloud-native Java applications and Kubernetes-based infrastructure solutions within enterprise-scale environments.

• Develop and maintain enterprise applications using Java technologies and modern cloud-native architectures
• Build and support microservices deployed through containerized environments and Kubernetes platforms
• Collaborate closely with solution architects, business analysts, testers, and project managers on technical implementation activities
• Design, develop, and test scalable backend systems using frameworks and technologies such as Java EE, Spring, Hibernate, and related tools
• Contribute to cloud infrastructure engineering, deployment automation, and DevOps initiatives
• Create and maintain CI/CD pipelines to support efficient software delivery and deployment processes
• Develop infrastructure-related components including Dockerfiles, Jenkinsfiles, and Helm charts
• Support system reliability, cluster security, deployment strategies, and networking configurations within Kubernetes environments
• Participate in continuous improvement initiatives related to architecture, automation, and development practices
• Contribute to frontend integration activities where needed, including collaboration on React-based interfaces

Requirements:

The ideal candidate combines strong Java expertise with practical experience in cloud-native development, Kubernetes infrastructure, and DevOps methodologies.

• 5+ years of professional experience in Java software development
• Strong experience with Java technologies and frameworks such as WildFly, Java EE, Spring, Apache, Hibernate, JCR, Mule, MySQL, and Oracle DB
• Hands-on experience working with Kubernetes-based infrastructure including networking policies, load balancing, deployment strategies, and cluster security
• Experience with cloud deployments, infrastructure engineering, and DevOps practices
• Strong understanding of Linux and Windows-based environments
• Experience with cloud automation and infrastructure provisioning processes
• Practical experience building CI/CD pipelines using tools such as Git, Apache Maven, and Jenkins
• Ability to create and maintain Dockerfiles, Jenkinsfiles, and Helm charts
• Familiarity with containerization technologies and microservices architecture patterns
• Experience with frontend development using React is considered an advantage
• Strong analytical and problem-solving skills with the ability to work independently in remote environments
• Fluent English communication skills, both written and spoken
• Must be based in Europe with authorization to work and travel occasionally when required

Benefits:

• Fully remote work model within Europe
• Opportunity to work on challenging international technology projects
• Long-term collaboration opportunities for both employees and contractors
• Competitive salary package or attractive contractor rate
• Exposure to enterprise-scale cloud-native and Kubernetes-based architectures
• Collaborative international environment with cross-functional technical teams
• Opportunity to work with modern DevOps, cloud, and microservices technologies
• Professional growth through participation in complex and innovative software projects
• Flexible remote working environment supporting work-life balance