API & SOA Developer - Java, OpenAPI, Microservices

JoBBsquare Belgie; Brussel Hoofdstad; Sur place; EUR 55 000 - 85 000; Plein temps

Résumé du poste

NTT Data in Belgium seeks API/SOA developers to join our integration and API teams. You will develop, deploy and support enterprise APIs in a modern Agile environment, across junior to senior levels. The role covers REST/SOAP, OpenAPI, OAuth2 security, and cross-functional collaboration.

Required: Java EE, OpenAPI/Swagger, OpenShift, Docker, Kafka, PostgreSQL, Git, Maven, CI/CD, and fluency in English plus Dutch or French. Open to diverse seniorities and production support duties.

Qualifications

• Higher education degree or equivalent experience.
• Experience with Java EE and enterprise development.
• REST API development experience.
• Knowledge of OpenAPI and Swagger.
• Experience with OAuth2 and API security.
• Understanding of SOA and MicroServices principles.
• Experience with Git, Maven and CI/CD pipelines.
• Knowledge of SOAP, WSDL and WS-Security.
• Experience in Agile environments.
• Knowledge of testing methodologies and DevOps practices.
• Experience with production support environments.
• Languages: English (mandatory); Dutch and/or French (mandatory).

Responsabilités

• Develop REST and SOAP services.
• Build and maintain Java-based API solutions.
• Implement secure integration patterns.
• Create and maintain OpenAPI specifications.
• Perform unit and integration testing.
• Participate in Agile ceremonies.
• Support deployment and production environments.
• Troubleshoot and resolve technical issues.
• Maintain technical documentation.

Connaissances

Java EE

REST API development

OpenAPI/Swagger

OAuth2 API security

SOA/Microservices

Agile environments

CI/CD

GIT/Maven

Testing methodologies

Production support

English language

Dutch or French

Formation

Higher education degree or equivalent experience

Outils

Docker

OpenShift

Kafka

PostgreSQL

Jenkins

Maven

GIT

Swagger

OpenAPI

Postman

SoapUI

CXF

Elasticsearch/Kibana

Description du poste

NTT Data in Belgium seeks API/SOA developers to join our integration and API teams. You will develop, deploy and support enterprise APIs in a modern Agile environment, across junior to senior levels. The role covers REST/SOAP, OpenAPI, OAuth2 security, and cross-functional collaboration.

Required: Java EE, OpenAPI/Swagger, OpenShift, Docker, Kafka, PostgreSQL, Git, Maven, CI/CD, and fluency in English plus Dutch or French. Open to diverse seniorities and production support duties.