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IKNOWHOW SA

Backend Java Developer

IKNOWHOW SA

Backend Java Developer for iKnowHow working on technology solutions in Energy, Telecommunications, Banking. Requires strong Java proficiency with 3-5 years experience in development.

Posted 6/5/2026full-timeNeo Psychiko • 🇬🇷 GreeceMid-LevelSeniorWebsite

Tech Stack

Tools & technologies
HibernateJavaMavenMicroservicesPostgresSpringSpring BootSpringBoot

About the role

Key responsibilities & impact
  • Development of demanding tasks of the projects.
  • Familiarity with Waterfall implementation methodologies.
  • Transform requirements into functionalities.
  • Ensure the alignment of the solution with the client's needs and especially with the architecture team.
  • Implementation of integrations with other applications and/or developed modules.
  • Assist with deployment and configuration management.

Requirements

What you’ll need
  • 3–5 years of professional Java development experience
  • Strong proficiency with Spring Boot, Spring Security, Spring Data and RESTful API design
  • Hands-on experience with JPA/Hibernate, databases (PostgreSQL), and Maven
  • Familiarity with microservices architecture, service discovery (Eureka), and API gateways
  • Solid understanding of JWT authentication, WebSocket (STOMP/SockJS), and asynchronous processing
  • Ability to read, debug, and refactor existing codebases with minimal guidance

Benefits

Comp & perks
  • Career development and growth opportunities.
  • An amazing private & open-office workspace in Athens.
  • Medical plan and life insurance for you and your family.
  • Flexible hybrid working model, working both from the office & remote #LI-Hybrid
  • Continuous training & learning opportunities via personalized seminars.
  • The opportunity to work in a diverse environment with talented colleagues

ATS Keywords

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Hard Skills & Tools
JavaSpring BootSpring SecuritySpring DataRESTful API designJPAHibernatePostgreSQLMavenmicroservices architecture
Soft Skills
problem-solvingcommunicationcollaborationadaptabilityattention to detail