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You will be responsible for designing, developing and maintaining modern applications with a strong focus on backend engineering in Java and Spring while contributing to frontend development using React and TypeScript. You will play a key role in technical decision-making, solution design and ensuring high-quality software delivery.\nYour tasks\nDesign and develop scalable backend services using Java and Spring\nBuild and maintain REST APIs and microservices\nContribute to frontend development using React and TypeScript\nPrepare technical designs and solution documentation\nImplement event-driven integrations and workflow-based solutions\nDevelop and support batch processing applications\nEnsure application reliability through proper logging, monitoring and error handling\nCreate and maintain automated tests\nContainerize and deploy applications using Docker and Kubernetes\nSupport cloud-native application development\nCollaborate with cross-functional Agile teams\nProvide technical leadership, mentoring and code reviews\nRequirements\n8+ years of experience in enterprise application development\n2+ years of technical team leadership experience\nExpert knowledge of Java and Spring Framework (Boot, Data, REST, Security)\nExperience with microservices and micro-database architecture\nExperience building event-driven systems\nExperience with ReactJS and TypeScript\nExperience with Swagger and OpenAPI\nExperience with automated testing frameworks such as JUnit\nExperience developing and supporting batch processing applications\nKnowledge of logging, monitoring and production support practices\nHands-on experience with Docker and Kubernetes\nExperience developing cloud-based applications\nExperience using code quality and security scanning tools\nExperience working in Agile Scrum teams using JIRA and Confluence\nOpenness to work hybrid from our client's office (Kraków) 8 days a month\nNice to have\nExperience in Risk & Compliance projects\nKnowledge of Model Risk Management\nSpring Integration or Spring Batch\nExperience with BPMN-based workflow solutions\nKnowledge of Flowable, Activiti or Drools\nExperience with WebSockets or SSE\nKnowledge of micro-frontend 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