Senior Java Developer with Spring Boot, Enterprise Platform

Location: Cluj-Napoca, Romania; Krakow, Poland; Larnaca, Cyprus; Lodz, Poland; Lublin, Poland; Remote.BG, Bulgaria; Remote.PL, Poland; Riga, Latvia; Sofia, Bulgaria; Varna, Bulgaria; Warsaw, Poland; Wroclaw, Poland We are looking for a specialist to support architecture and implementation activities for a strategic enterprise platform modernization initiative. You will help shape backend modernization, headless service integration, and customer facing technical implementation work. You will contribute to a high profile professional services engagement centered on a strategic enterprise platform. The work includes platform modernization, headless service delivery, and implementation support for customer technical teams using authentication and single sign on solutions. Support the modernization of the core platform by helping retire JBoss in favor of Spring Boot Contribute to the design and launch of a headless strategy for service based integration Work with GraphQL to enable integration between the services tier and external applications Provide operational guidance for customer implementations with customer technical teams Support the implementation of Auth0 and IdP SSO solutions including MFA Collaborate with Java Developers, Frontend Engineers, QA Engineers, Business Analysts, DevOps specialists, and Solution Architects Participate in code reviews and knowledge sharing across the cross functional team Experience with Java based backend systems Experience with Spring Boot Experience with GraphQL Experience working with modern web applications and distributed services Experience collaborating with cross functional engineering teams Experience supporting customer technical teams during implementations Experience with Auth0 Experience with IdP SSO Experience with MFA Experience with React based user interfaces Experience working with enterprise infrastructure and databases