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 following both a functional and reactive programming approach.

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.

4 years of studies + at least  9 years of professional experience OR 3 years of studies + at least 10  years of professional experience

A minimum of 6 years of professional experience of OOP paradigms and SOLID principles using Java 21 (or higher) and experience with most common Java frameworks:

A minimum of 1 year of professional experience in the domain of biometric and identity management solutions, including:

Fingerprint handling (tenprint and latent print)

Good knowledge of application development environments including:

Good knowledge of the design and development of components like REST APIs, integrations, micro-services)

proficiency in using REST based frameworks like Spring MVC as well accessories tools like Postman

proficiency in functional and reactive programming

Good knowledge of relational databases Microsoft SQL server

Good knowledge of Agile software development methodologies:

Good knowledge of messaging systems including:

Good knowledge of front-end web application development:

Good knowledge javascript front-end framework:

Good knowledge of a Java EIP framework like

Good knowledge in Enterprise Integration methodologies and patterns.

Proficiency in modelling an EIP system using classical EIP patterns and diagrams

Good knowledge of no-sql and graph databases and ElasticSearch

Good knowledge of biometric data manipulation, procedures and standards including:

English

Java

Spring

Spring Boot

Biometric and Identity Management

Eclipse

Apache Maven

Microsoft SQL Server

Scrum

Docker

Kubernetes

Azure DevOps Server

Javascript

Angular

NIST

Our client within the European Institutions is currently looking for a Fullstack Java Developer to work on the design and develop production grade, enterprise level systems that make extensive use of messaging and microservices.

Public

Fullstack Java Developer

Daily rate: €380

Location:

The Hague, The Netherlands

Apply before:

27/05/2026

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