Job Description
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 an experienced Java Tech Lead with strong technical skills and solid working experience to work in new challenging outsourced projects.
Responsibilities:
Design, develop, and maintain high-quality enterprise applications using Java, Spring, Spring Boot, and Hibernate
Lead or contribute to the migration of monolithic applications into microservices-based architectures
Build and integrate REST and SOAP APIs for internal and external systems
Design scalable, secure, and maintainable software solutions based on clean architecture principles
Participate in system integration activities across complex distributed environments
Use messaging and integration technologies such as Apache Kafka and Feign Client
Support containerized deployments using Docker and orchestration platforms such as Kubernetes
Work within Agile/Scrum teams to ensure timely and high-quality project delivery
Mentor engineers, conduct code reviews, and support technical growth within the team
Collaborate with product owners, architects, QA engineers, and stakeholders to translate business requirements into technical solutions
Support performance analysis, troubleshooting, and optimization of enterprise applications
Bachelor’s Degree in Computer Science, Software Engineering, Information Technology, or a related field
Strong professional experience as a Java Software Engineer, ideally in senior or technical lead roles
Excellent knowledge of Java, Spring, Spring Boot, and Hibernate
Hands-on experience with microservices architecture
Experience with REST APIs and SOAP APIs
Solid understanding of software architecture, software design, and system integration
Experience with Oracle Database and/or PostgreSQL
Experience with application servers such as Oracle WebLogic Server
Experience with Docker, Kubernetes, and containerized application environments
Knowledge of messaging or integration tools such as Apache Kafka
Experience working with Git and Agile/Scrum methodologies
Strong problem-solving skills and ability to work on complex enterprise systems
Nice to Have:
Experience with performance testing tools and performance monitoring
Experience with Vaadin, RichFaces, OSGi, ZeroMQ, or similar frameworks/tools
An attractive salary package
Career development and growth opportunities
An amazing private & open-office workspace in Athens #LI-Hybrid
Continuous training via personalized seminars
Stable and enjoyable working environment
