NTT DATA is looking for an API / SOA Developer
Location: Belgium (Fully Remote Possible)
Contract Type: Freelance or Permanent
Languages
Professional working proficiency in English (mandatory)
Professional working proficiency in Dutch and/or French (mandatory)
About the Role
We are looking for API / SOA Developers to join our integration and API teams. You will contribute to the development, deployment and support of enterprise APIs and integration services in modern Agile environments.
We welcome Junior, Medior and Senior candidates.
Key Responsibilities
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
Required Experience & 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 working in Agile environments
Knowledge of testing methodologies and DevOps practices
Experience with production support environments
Technology Environment
Java EE, Spring Boot, Docker, OpenShift, Kafka, PostgreSQL, Jenkins, Maven, Git, Swagger, OpenAPI, Postman, SOAPUI, Apache CXF, Elasticsearch and Kibana.
What We Are Looking For
A hands-on developer who enjoys building scalable integration solutions and collaborating within cross-functional Agile teams.
About NTT DATA
NTT DATA is a trusted global innovator of IT and business services, helping clients transform through consulting, industry solutions, technology modernization and managed services.

API/SOA developer

Apply Now
Back to search page