API/SOA developer

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.
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