Senior Java Developer - React / Kubernetes - The Hague – Remote / Travel 1 week every 6 weeks-Employee

Full time
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For an European Institution in The Hague, we are urgently looking for a Senior Java Developer with React and Kubernetes.Candidates need to be willing to work 1 week per 6 weeks on-site in The Hague, the Netherlands. Candidates need to be fluent in English.

As candidates need to travel every 6 weeks, candidates need to be based in Europe and have a work permit.
This position is also open for contractors, who would like to commit long-term.

Tasks and responsibilities:

  • Complete the pertinent Design Document(s) for software development and maintenance;
  • Execute implementation of a high-quality solution that is aligned with the EU Agency’s architecture standards and high-level architecture requirements;
  • Monitoring of application logs to identify and react on exceptions which were not reported as an incident;
  • Commit code to the EU Agency’s GitHub (or any other relevant) code repository;
  • Setting up test environments for the purpose of SC2, SC3 and SC4 maintenance issues;
  • Configure pipelines to run necessary checks to allow for code basic validation;
  • Submit source code and build software according to the EU Agency’s CI/CD processes;
  • Perform all new builds within EU Agency environments, systems and on EU Agency technologies. Checking the completeness (in terms of dependencies) and the Sonar results (in terms of sanity) of the newly developed code;
  • Check the completeness and performance of the automatic tests (followed the automatic build process) of the changed or newly developed code;
  • Acquire and preserve the respective changed or newly developed code within EU Agency premises and code repository;
  • Provide full documentation as defined in the Technical Conditions;
  • Test all software to be delivered according to the testing framework.
  • Package software according to the EU Agency’s requirements and latest guidelines;


  • Bachelor or Master degree;
  • +7 years experience in front-end and back-end development using microservices, Java, Spring Boot, React / Redux and state containers;
  • Experience with React user interface development is considered an asset;
  • Proven and extensive experience in Cloud and Microservices e.g. Docker, Kubernetes, GCP, AWS;
  • Knowledge of security implementations like: OAuth2 / OpenID Connect, TLS, PKCS, Keycloak;
  • Significant experience with cloud deployments (e.g. GCP and Azure), Kubernetes, DevOps and infrastructure engineering;
  • In-depth knowledge of Experience with data storage/manipulation such as: JSON, JsonSchema, XML, XSLT, DTD, SQL, PDF and with SQL and non-SQL databases such as MongoDB or MySQL;
  • Hands-on experience with messaging services e.g. RabbitMQ or Kafka with Business rules engines e.g. Camunda;
  • Skilled in software development in a Kubernetes-based infrastructure, networking policies, LBs, deployment strategies and cluster security;
  • Knowledge of CI/CD pipeline building tools (GibHub, Apache Maven, Jenkins);
  • Experience with APIs such as: REST, OpenAPI, CMIS, STOMP;
  • Ability to create Docker files, write Jenkinsfiles and Helm Charts;
  • Excellent knowledge of English (both written and verbal) is required;

Interested: Please send your resume to

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