Full Stack .Net Developer

  • 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 Full Stack .Net Developer to join our growing team in one of the biggest European organizations.



  • Write web frontend code in JavaScript frameworks, as Vue.js or Knockout. Other Javascript frameworks (React or Angular) knowledge is a plus.
  • Manage the front-end build configuration and the appropriate npm tasks.
  • Be familiar with Typescript and modern web development.
  • Write CSS and HTML by using SASS and Bootstrap.
  • Participate in the .NET 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.
  • Implement validation mechanisms as unit and integration tests for both front-end and back-end code.
  • Write OAUTH authentication mechanisms. ADFS knowledge is a plus.
  • Work comfortably within a team. Follow SCRUM methodology 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.


Who you are:


  • Bachelor plus minimum of 6 years of Software Development Experience
  • More than 3 years of experience in Front-End Development with Javascript Frameworks as Vue.js, Knockout.js, React or Angular
  • Good knowledge of the design and development of web components including CSS and HTML
  • Good knowledge of the design and development of back-end components (REST APIs, integrations, micro-services)
  • In-depth knowledge of at least one JavaScript framework like Vue.js, Knockout.js, React, Angular or a similar one
  • Good knowledge of  application development environments
  • Knowledge of software development methodologies  (e.g. AGILE) 
  • Knowledge of relational databases
  • Good knowledge of Microsoft .NET (C#) and ASP.NET Core
  • Capable to be part of an Agile Team implementing Scrum (team worker, easy going, good communication capabilities)


  • Real experience with highly scalable systems
  • Knowledge of no-sql and graph databases
  • Ability to cope with fast changing technologies used in application developments
  • Ability to participate in multi-lingual meetings, ease of communication
  • Capability of integration in an international/multi-cultural environment
  • Good knowledge of Microsoft SQL Server and AMQP messaging
  • Knowledge of CI / CD systems (e.g. TFS)
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