We're looking for a Senior Backend Engineer with strong Java Spring experience. This is not a standard backend role — it's designed for engineers who are technically broad, adaptable, and comfortable operating across development, operations, and cloud environments. At Qubika , we design, develop, and deploy custom software solutions for organizations making an impact through technology. What you'll do: Develop and maintain backend solutions using Java Spring / Spring Boot Support applications deployed in Kubernetes and AWS-based cloud environments Maintain and troubleshoot Jenkins pipelines and Git Lab CI/CD workflows Contribute to scripting and automation tasks as needed (Python or similar) Collaborate with infrastructure and Dev Ops teams on platform-related activities Adapt to changing client priorities and a broad range of technical requests What we're looking for Strong Java Spring / Spring Boot experience Practical knowledge of Kubernetes (clusters, pods, deployments, troubleshoo...