For an international institution based in Amsterdam, we are urgently looking for a Senior Java Developer, specialised in REST API, Cloud (Azure), ESB and OSB. As Senior Java Developer, you contribute to the design of robust, multi-threaded and distributed system components, deployed both on premise and in Microsoft Azure.

This is an 100% remote position. Candidates need to be fluent in English. Candidates need to be based in Europe and in possession of a work permit. This position is also open for freelancers, who would like to commit long-term.  This role can be performed remote from any EU country.

Tasks and responsibilities:

  • Develop high quality code in Java language and understand the related software ecosystem (maven, Junit, mocking libraries …);
  • Document decisions and design of solutions using standard notations such as UML and Archimate3;
  • Implement and improve continuous build and integration (e.g. Jenkins) processes, unit testing and code quality metrics;
  • Analyse and influence functional and non-functional requirements;
  • Produce clean, unit testable and well documented source code;


  • You have a master degree in an IT related field;
  • You have at least 8 years of experience with REST API, Enterprise Service Bus, Cloud and Java Enterprise Edition development;
    Strong analytical and critical reasoning applied to problem decomposition and solution;
  • Strong experience in object oriented analysis & design (OOA&D);
    Mastery of the Java language, for instance in the context of Java Enterprise Edition and the Spring framework;
  • Experience in implementing cloud services and architecture, serverless functions, event based architectures, for instance on Microsoft Azure;
  • Proven experience of REST API development;
  • Proven experience of SOAP API integration;
  • Proven experience of implementing Enterprise Service Bus architecture, for instance on Oracle Service Bus;
  • Knowledge of OWASP secure coding guidelines;
  • Experience using agile software development methodologies (i.e. Scrum, Kanban and other lean techniques);
  • Experience in defining tasks/stories with clear estimates and prioritisation;
  • Fluent in English;

Attractive salary package (employees) or day price (freelancers);
Relocation package for AEC employees and freelancers who come from abroad;

If you are interested in this opportunity, please forward your CV to resume@all-european-careers.com.