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.
We are looking for a mid-level Java Developer to work in new challenging outsourced projects.
You will build microservices and APIs on a modern Java stack, deployed primarily on Microsoft Azure with selected workloads on GCP and AWS, working in Agile teams that own services end-to-end — from design through production support.
Responsibilities:
- Design, develop, and maintain Java backend services and microservices using Spring Boot and the broader Spring ecosystem (Spring Data, Spring Security, Spring Cloud).
- Build and consume RESTful APIs and event-driven services, applying clean architecture and domain-driven design where appropriate.
- Implement integrations with downstream systems and external partners using REST, messaging (Azure Service Bus, Kafka, or Pub/Sub), and batch interfaces.
- Work with relational and non-relational data stores, writing efficient queries and persistence code with JPA/Hibernate.
- Containerise services using Docker and deploy to Azure Kubernetes Service (AKS).
- Contribute to CI/CD pipelines (Azure DevOps and/or GitHub Actions), with automated build, test, and deployment steps.
- Write comprehensive unit, integration, and contract tests.
- Participate in code reviews, design discussions, and architecture sessions; advocate for clean code, performance, and security best practices.
- Support production services on a shared rotation, contributing to monitoring, alerting, and incident response.
- Collaborate with QA, product, and architecture teams in Agile/Scrum delivery; estimate and break down work effectively across sprints.
Requirements
- Bachelor's degree in Computer Science, Software Engineering, or a related technical field.
- 3–5 years of professional Java software development experience, including production-grade services in a cloud environment.
- Proven experience delivering in Agile/Scrum teams.
- Strong Java skills, with practical experience in Spring Boot and the wider Spring ecosystem.
- Solid understanding of REST API design, microservices patterns, and distributed systems concepts.
- Hands-on experience with Docker and Kubernetes.
- Working knowledge of Microsoft Azure services.
- Experience with relational databases and JPA/Hibernate.
- Familiarity with messaging and streaming platforms.
- Comfortable with Git, Maven or Gradle, and CI/CD pipelines.
- Awareness of security fundamentals and observability practices (logging, metrics, distributed tracing).
Nice to have:
- Experience in insurance, banking, or another regulated industry.
Benefits
- 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
Skills Required
- Bachelor's degree in Computer Science, Software Engineering, or a related technical field
- 3-5 years of professional Java software development experience
- Experience delivering in Agile/Scrum teams
- Strong Java skills, with practical experience in Spring Boot
- Solid understanding of REST API design and microservices patterns
- Hands-on experience with Docker and Kubernetes
- Working knowledge of Microsoft Azure services
- Experience with relational databases and JPA/Hibernate
- Familiarity with messaging and streaming platforms
- Comfortable with Git, Maven or Gradle, and CI/CD pipelines
- Awareness of security fundamentals and observability practices
What We Do
iKnowHow is a Greek technology firm based in Athens and currently employing more than 120 engineers and IT professionals. The company was founded in 2002 and has since grown rapidly holding nowadays a significant market share in Greece, Cyprus and Europe. For almost two decades, the company has been offering a wide range of tailor made software solutions and specialized ICT strategy consulting services as well as building complex enterprise applications with emphasis on Digital Government, Business Automation, Information Security, Digital Transformation, e-Health and Industrial Automation solutions. The past years the company has significantly increased in size and financial yield, reaching almost 120 employees. IKH is organized into three business units: digital government, healthcare, and robotics. Our longstanding partnership with IBM and our knowledge of Open Source technologies has allowed us to complete significant ICT work for local and international organizations. IKH Innovation, our robotics arm, is a world-class team of robotics and software engineers with expertise in mechanical design, embedded control, data-driven intelligence and mobile robots. IKH Innovation designs and builds tailor-made robotic solutions capable of performing in demanding environments. evorad™ is our comprehensive RIS / PACS suite designed to cover a radiology department's needs from the moment patients walks in to the moment they walk out with their examination and their digital diagnostic report in hand. evorad™ has become the premier PACS solution of Greek public hospitals, used not only to process thousands of examinations per day, but also as the main teaching tools in medical schools and university hospitals.
