Jobs Companies iKnowHow S.A. Java Developer

About this Java Developer role at iKnowHow S.A.

iKnowHow S.A. · Thessaloniki, Central Macedonia, Greece

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
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About iKnowHow S.A.

At IKH we solve hard problems. We provide custom-built automation solutions to industry and software solutions to the public and private sector. We can acquire your data, communicate, store and process it to produce insights and present them in a responsive and intuitive manner. Our tailor-made services culminate in cyber-physical systems where the physical and computational elements are intertwined to augment human capabilities.

Our mechanical and electrical engineers have brought to life close to twenty robotic solutions for the off-shore, oil & gas, nuclear, and the wind power industry. We have designed and engineered autonomous robots to perform ultrasonic testing of wind turbine blades or to replace tracked trenching machines operating in the subsea environment. More than 40 large scale web development and IT projects for private and public institutions, local subsidiaries of international organizations, and national authorities have been undertaken and successfully delivered by our software development teams.

Over the past six years, we have raised our sales six-fold and established offices in Luxembourg and London. Our headquarters are in downtown Athens (Neo Psyhiko) and our robotic team is headquartered in the outskirts of greater Athens.

At IKH we hire the best & brightest. We believe that talented individuals give credence to the maxim ‘the whole is greater than the sum of its parts’ and we strive to foster an environment where freedom, responsibility, innovation, and self-discipline flourishes. After all, a great workplace is synonymous to stunning colleagues, where employees don’t wait to be told what to do and behave like owners. Job candidates can seek for opportunities in four areas:

  • Robotics & IoT: A world-class team of electrical, mechanical, and software engineers with deep expertise in mechanical design and control, in data-driven intelligence, and in embedded systems. We design and engineer robotic solutions and our machines can sense, act, and adapt to demanding environments. We collaborate with our clients’ team, we ideate, we prototype and if need be we solicit funding from public or private sources.
  • The Digital Government team identifies, articulates, and analyzes business needs, translates them into specs, and implements fully the IT solution. We work with the private and public sector on process automation and optimization and on workflow and reporting solutions and when needed we apply advanced methodologies like lean and six sigma. We can engineer business intelligence and cognitive enterprise platforms to augment human decision making and we can ensure an organization’s Total Quality Compliance through an integrated and ISO-compliant management system.
  • EU Institutions Business Unit (EUI): Our Luxembourg office markets our digital government expertise primarily to EU institutions. Large government ought to adjust to and reap the benefits from the omni-channel, omni-content era. Our software development team has the experience and the caliber to help governments and international organizations embrace interoperability and openness and present their content in a device agnostic way.
  • Healthcare IT: evorad© is our RIS/PACS product suite. It is designed to cover a radiology department's needs from the moment the patients walk into the hospital until the moment they check out with a CD containing image files and their diagnostic report in hand. evorad© is the premier PACS solution of Greece’s National Health System and is used not only to process thousands of examinations daily but also as a teaching tool in most University Hospitals and Medical Schools. With over 10 years’ track record in the local market, evorad© has recently set up an office in Saudi Arabia with the mandate to market the PACS solution in the wider MENA region.

IKH is committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, and gender identity.

More information on our company can be found at http://www.iknowhow.com/ and at our YouTube channel.

See all jobs at iKnowHow S.A. →

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