Java Developer (Microservices)

  • The Hague, Netherlands
  • Full-time

Company Description

Arηs is a fully independent group of companies specialized in managing complex IT projects and systems for large organisations, focusing on state-of-the-art software development, business intelligence and infrastructure services.

We are composed of 13 entities across 6 countries that are unified by the Arηs Group, with more than 1750 consultants.

This corporate structure enables us to respond quickly to market changes and customer requests, and to communicate and make decisions without layers of bureaucracy.

Our success can be attributed to the synergy among our nine complementary entities, combined with our methodologies, which are based on the Rational Unified Process (RUP) and the Scrum agile software development framework.

Established in 2016, the Greek entity Arηs Developments Hellas aims to extend Arηs Group activities dedicated to the European market providing high-quality services in Software Development, covering the entire application development lifecycle: starting with user requirements, business process redesign and specifications, to continue with development, testing and application maintenance.

Job Description

We are currently looking for a Java Developer (Microservices)  to join our growing team in one of the biggest European organizations.


  • Contributing to the improvement of the development and build process.
  • Ability to design and develop production grade, enterprise level systems that make extensive use of REST APIs and microservices.
  • Participate in the Python and Java implementation of a micro-services solution, being able to write backend code in a reliable, fast, scalable, and secure way, satisfying requirements and service level agreements.
  • Integrate Machine Learning algorithms.
  • Follow Scrum procedures and disciplines. Estimate the work to be done upon request.
  • Write technical documentation. Account for secure coding practices, as well as logging and auditing features. 
  • Hands on experience with Git following pull request procedure. Ability to write clean, secure and high quality code.



Who you are:


  • Bachelor plus minimum of 6 years of experience in Software Development
  • In-depth knowledge of Python 3.
  • Good knowledge of modern Java.
  • Good knowledge of the design and development of back-end components (REST APIs, integrations, micro-services)
  • Knowledge of Machine Learning frameworks (e.g. TensorFlow)
  • Good knowledge of Git
  • Knowledge of software development methodologies  (e.g. AGILE) 


  • Participation in a minimum of 2 projects involving cloud development 
  • A minimum of 2 years of experience in Software Development for the cloud
  • Knowledge of Docker and/or Kubernetes
  • Knowledge of CD/CI systems (e.g. TFS)
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