Java Software Engineer

iKnowHow Group is a leading Software & Robotics Solutions group of companies operating internationally for over 24 years, with 300+ professionals delivering innovative technology solutions across Energy, Telecommunications, Banking & Financial Services, and Public Sector industries. The group is structured into specialized subsidiaries, each focused on distinct technology domains and market verticals.

**iKnowHow S.A **., as the cornerstone of the group, utilizes state-of-the-art technologies and handles end-to-end internal and external project development, from conception to completion. Our portfolio spans Data & AI platforms, enterprise integration, cloud-native applications, and digital transformation initiatives for major organizations in private and public sectors.

We are now looking for a highly motivated Java Software Engineer to join our internal team.

Responsibilities:

• Design, develop, and maintain high-quality software solutions using Java, Spring Boot, and related technologies
• Contribute to the design and implementation of scalable and efficient RESTful APIs
• Apply object-oriented and functional programming principles to deliver clean and maintainable code
• Participate in the full software development lifecycle, including analysis, design, implementation, testing, and deployment
• Develop and optimize database-driven applications, working with relational and/or NoSQL databases and ORM frameworks
• Write and maintain unit and integration tests to ensure code quality and reliability
• Perform code reviews and collaborate with team members to improve code quality and share knowledge
• Follow and promote best practices in clean code, software architecture, and development standards
• Troubleshoot, debug, and resolve technical issues in existing applications
• Collaborate with cross-functional teams (e.g. QA, DevOps, Product Owners) to deliver high-quality solutions on time
• Contribute to continuous improvement of development processes, tools, and practices
• Support application deployment processes and contribute to CI/CD pipelines

Requirements

• University degree on Computer Science or Software Engineering (MSc degree will be considered a plus)
• At least 3 years experience in software development
• Solid background on:
• Object-oriented programming and familiarity with functional programming
• Database theory, proficient in different DBs and ORM frameworks
• Algorithms design and implementation
• Proficient in Java, Spring Boot, Maven, JUnit
• Experience building RESTful APIs
• Experience with unit / integration testing, source code control tools and performing code reviews
• Awareness of “Clean Code” and clean coding practices

Nice to have:

• Familiarity with Spring Cloud event-driven microservices framework
• Business domain knowledge in Health IT Software solutions
• Image Processing related algorithms implementations
• Basic understanding of front-end frameworks such as Angular, React, and Vue
• Knowledge of CI/CD practices (e.g. Jenkins, Teamcity etc.)
• Familiarity working with Cloud Technologies (AWS, Azure, GCP etc.)

Benefits

• An attractive salary package
• Career development and growth opportunities
• An amazing private & open-office workspace in Athens
• Continuous training via personalized seminars
• Stable and enjoyable working environment
• Flexible remote – onsite working model, adjusted to your needs #LI-Hybrid