Backend Java Developer

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’re looking for curious, driven people who want to create impact through technology—and grow with us.

We are now looking for an experienced Backend Java Developer with strong technical skills and solid working experience to work in new challenging outsourced projects.

Responsibilities:

• Development and maintenance of Java applications and Microservices
• Code reviews and ensuring code quality
• Support and mentoring of junior team members
• Collaboration with Product Owners, Architects, QA, and other development teams
• Participation in Agile/Scrum ceremonies and task planning
• Coordination of technical matters across different teams

Requirements

• Bachelor's Degree in Computer Science, Software Engineering, Information Technology, or a related field
• At least 3 years of experience in software development with Java
• Very good knowledge of modern Java versions (11+)
• Experience with Spring Boot and Microservices architectures
• Knowledge of Docker, Kubernetes, or cloud environments
• Experience with Kafka or other messaging platforms
• Experience with REST APIs and relational databases
• Good knowledge of Git
• Experience mentoring or coaching junior team members
• Very good command of English

Nice to have:

• Experience working in an Agile/Scrum environment

• Good knowledge of modern software development practices

Benefits

• 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.