We are looking for a Fullstack Developer (Java + React) to join our client's team.ClientThis German provider specializes in cybersecurity solutions focused on automated vulnerability management. Their platform enables organizations to proactively identify, assess, and remediate security weaknesses across their IT infrastructure, supporting compliance needs and reducing cyber risk through regular network scanning and actionable reporting. It’s particularly valued by enterprises and public institutions needing robust protection and adherence to European data privacy standards.Project objective: maintain existing Cloud productKey responsibilities Sentry Checks Jira Ticket Checks Contact Channel Checks Check Node Cluster Solve Service Request Tickets Necessary Refactoring Technical Skills:Backend: Java + Java Spring Rabbit MQ and Microservices Logic Docker and Kubernetes JUnit Frontend: React HTML CSS Nice to have: Backend: OenSearc, Postgres Frontend: Node and NPM Offer Rate: up to 165 PLN/h nett + VAT Type of contract: B2B via SHIMI Project length: longterm Start date: December 1st