Senior Java Developer/Tech Lead

iKnowHow Group is a dynamic, international technology company with 24+ years of experience and a team of 300+ talented professionals delivering innovative technology solutions across Energy, Telecommunications, Banking & Financial Services, and the Public Sector. Through its specialized subsidiaries, it brings domain expertise in areas such as Health and Robotics—blending deep industry knowledge with advanced, future-ready technologies. At its core, iKnowHow S.A. delivers end-to-end project development - both internal and client-facing - turning strategy into scalable, real-world solutions. Our portfolio spans Data & AI platforms, enterprise integration, cloud-native applications, and large-scale digital transformation initiatives, enabling leading organizations across the public and private sectors to evolve and grow. We are now looking for a talented Senior Java Developer to lead a development team and work in new challenging outsourced projects. Bachelor’s degree in Information Technology, Computer Science, Computer Engineering or any related field Minimum 5 years Java development experience Advanced knowledge in Java Technologies (J2EE, Spring, XML Parsing, JDBC, Web Services) Experience with Relational database (SQL Server) and ORM layers (Hibernate) Advanced knowledge in writing and consuming SOAP and Rest Web Services Knowledge of system frameworks like Git and Azure DevOps (ADO) Advanced team management skills Good interpersonal skills An attractive salary package Private health insurance plan Career development and growth opportunities Continuous training via personalized seminars An amazing private & open-office workspace in Athens #LI_Hybrid Stable and enjoyable working environment