Senior Java Engineer

At Cyclad, we work with top international IT companies to help them deliver cutting-edge technologies that shape the future. We are currently looking for an experienced Senior Java Engineer to join an international team working on distributed Java applications and modern cloud-based solutions.In this role, you will develop, support, and modernize Java applications while working with Java 17, Spring Boot, Spring Cloud, REST APIs, and microservices. You will also contribute to service management, observability, CI/CD automation, and the modernization of legacy applications using modern AI-assisted development tools. You will collaborate closely with Product Owners, IT specialists, architects, and IT management in an international environment.Project information:Type of project: IT servicesOffice location: Kraków, PolandWork model: Hybrid – 8 days per month in the officeBudget: 160–197 PLN net/hour – B2BProject length: Long-termStart date: ASAP (depending on the candidate's availability)Only candidates with citizenship in the European Union and residence in PolandTechnology stack:Java SE / Java 17Spring BootSpring CloudMicroservicesREST APIsAngularGCPRedisAnsibleJenkinsJIRA / ConfluenceCI/CDYour responsibilities:Develop, maintain, and support distributed systems written in JavaDesign and develop microservices using Java 17 and Spring BootModernize and evolve legacy Java applications using modern development and AI-assisted toolsWork with Github Copilot, Claude Code, and similar development toolsParticipate in Incident Management, Problem Management, and Service Delivery activitiesDesign robust technical solutions and processes using modern Agile methodsAnalyse technical and non-technical requirements and provide service-oriented advice to stakeholdersDevelop observability tools and techniques for monitoring, alerting, incident detection, and responseSupport capacity management and release safetyCollaborate with Product Owners, IT specialists, architects, and IT managementContribute to application lifecycle management and CI/CD automationTroubleshoot and resolve technical issues across development and production environmentsRequirements:5+ years of professional experience developing and supporting distributed systems using JavaStrong hands-on experience with Java 17 and Spring BootExperience designing and developing microservicesGood knowledge of modern Java technologies, frameworks, and DevOps toolsExperience with REST APIs and distributed application architecturesStrong analytical and problem-solving skillsAbility to clearly communicate technical issues and solutions across different teams and disciplinesExperience working in international and cross-functional environmentsAbility to work independently with a structured and results-oriented approachExperience with application lifecycle management tools such as JIRA and ConfluenceExperience with CI/CD automation and DevOps practicesGood knowledge of Ansible and vulnerability remediation processesNice to have:Experience modernizing legacy Java applicationsExperience with AI-assisted software development tools such as GitHub Copilot or Claude CodeExperience with observability, monitoring, and alerting solutionsExperience with incident and problem management processesKnowledge of capacity management and release safety practicesExperience working with large-scale distributed systemsWe offer:Hybrid working model with 8 days per month in the Kraków officeFull-time cooperation agreement based on B2BPrivate medical care with dental care (covering 70% of costs)Multisport card (also for an accompanying person)Life insuranceOpportunity to work in an international IT environmentRecruitment process:Introductory callTechnical interviewFinal decision