Full Stack Tech Lead

Type of contract: B2B contract Salary range: 155 - 205 PLN/h What will you do? As a Lead Full Stack Engineer, you will join a global team delivering solutions within the Risk & Compliance area. 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. Your tasks Design and develop scalable backend services using Java and SpringBuild and maintain REST APIs and microservicesContribute to frontend development using React and TypeScriptPrepare technical designs and solution documentationImplement event-driven integrations and workflow-based solutionsDevelop and support batch processing applicationsEnsure application reliability through proper logging, monitoring and error handlingCreate and maintain automated testsContainerize and deploy applications using Docker and KubernetesSupport cloud-native application developmentCollaborate with cross-functional Agile teamsProvide technical leadership, mentoring and code reviews Requirements 8+ years of experience in enterprise application development2+ years of technical team leadership experienceExpert knowledge of Java and Spring Framework (Boot, Data, REST, Security)Experience with microservices and micro-database architectureExperience building event-driven systemsExperience with ReactJS and TypeScriptExperience with Swagger and OpenAPIExperience with automated testing frameworks such as JUnitExperience developing and supporting batch processing applicationsKnowledge of logging, monitoring and production support practicesHands-on experience with Docker and KubernetesExperience developing cloud-based applicationsExperience using code quality and security scanning toolsExperience working in Agile Scrum teams using JIRA and ConfluenceOpenness to work hybrid from our client's office (Kraków) 8 days a month Nice to have Experience in Risk & Compliance projectsKnowledge of Model Risk ManagementSpring Integration or Spring BatchExperience with BPMN-based workflow solutionsKnowledge of Flowable, Activiti or DroolsExperience with WebSockets or SSEKnowledge of micro-frontend architecture