Java Developer

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.

• Contribute to the improvement of the development and build process
• Design and develop production grade, enterprise level systems that make extensive use of messaging and microservices.
• Participate in the Java implementation of applications and micro-services involving integration with search engines, being able to write backend code in a reliable, fast, scalable, and secure way, satisfying requirements and service level agreements.
• Write OAUTH authentication mechanisms. Implement validation mechanisms as unit and integration tests.
• Assist with deployment and configuration of the system. Setup CI/CD pipelines. Familiarity with Kubernetes/Docker is assumed.
• 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.
• Work with Git following pull request procedure.
•  Write clean, secure and high-quality code.

Mandatory:

• Bachelor plus 10 years of relevant experience.
• Working knowledge of English (B2 or higher)
• Minimum of 6 years of professional experience in OOP paradigms and SOLID principles using Java 11 (or higher)
• Experience with Java frameworks like: Spring, SpringBoot
• Minimum of 2 years of professional experience with at least one JavaScript front-end framework: Vue.js, jQuery, React/Angular2
• Experience in application development environments like: Java 11+, Eclipse or Intellij, Maven, Git
• Experience in design and development of components like REST APIs, integrations, micro-services
• Proficiency in REST frameworks like Spring MVC and tools like Postman
• Experience with SOAP and GRPC web servers/clients in Java/Spring context
• Experience with relational databases like Microsoft SQL Server
• Experience with Spring Data and Hibernate
• Professional Knowledge in Agile software development methodologies: Scrum, Kanban
• Professional Knowledge in OOP paradigms and SOLID principles using Java 11+ and frameworks: Spring, SpringBoot
• Professional Knowledge in Container technologies: Docker, Kubernetes
• Professional Knowledge in Messaging systems: ActiveMQ
• Professional Knowledge in CD/CI system s:TFS/Azure DevOps
• Professional Knowledge in Front-end web application development: JavaScript, jQuery, JSP
• Professional Knowledge in JavaScript front-end frameworks: Vue.js, React/Angular2
• Professional Knowledge in Java EIP framework: Apache Camel, Spring Integration
• Professional Knowledge in Enterprise Integration methodologies and patterns
• Proficiency in modelling EIP systems with EIP patterns and diagrams
• Professional Knowledge in No-SQL and graph databases and ElasticSearch
• Professional Knowledge in Agile software development methodologies (AGILE)
• Prerequisites of working in an Agile team (teamwork, clear communication)

Desirable:

• Ability to participate in multi-lingual meetings, ease of communication
• Capability of integrating into an international/multi-cultural environment
• Ability to cope with fast-changing technologies used in application development