About this role
Java Software Engineer - R&D at Hrvatski Telekom. Location: Zagreb, Zagreb, Croatia. Role: modernizing systems, building backend, experimenting AI Requirements: Mid/Senior Java/Kotlin engineer (ideal ~5+ years) with backend experience, interest in LLMs/AI agents, test-driven quality focus, and familiarity with CI/CD, Kubernetes, and collaboration tools. Category: Software Development Seniority: Senior Level Tools: Java, Kotlin, Spring Boot, Ktor, JUnit, Kotest, Testcontainers, SonarQube, Kubernetes, Openshift, AWS, GCP, Gradle, GitLab CI/CD, Elasticsearch, Kibana, Grafana, BPMN, N8N, Jira, Confluence, Git, Cursor IDE, Antigravity, VertexAI, Claude, Gemini Commitment: Full Time Workplace: Hybrid Languages: Croatian