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API ​/ SOA Architect

Job in 1000, Brussels, Bruxelles-Capitale, Belgium
Listing for: NTT DATA
Full Time position
Listed on 2026-08-01
Job specializations:
  • IT/Tech
    Cloud Computing: Infrastructure & Operations, Systems Engineer, IT Consultant
Job Description & How to Apply Below
Position: NTT DATA - API / SOA Architect
NTT Data is looking for an experienced API / SOA Architect to help design and drive enterprise integration and API strategies within complex and large-scale environments.

As API / SOA Architect, you will define architecture standards, API governance frameworks, security principles, and integration roadmaps that support digital transformation and enterprise interoperability.

We welcome Junior, Medior, and Senior professionals who have experience in API management, integration architecture, cloud-native technologies, and modern service-oriented architectures.

Key responsibilities

Define API and SOA architecture strategies and standards

Design REST, SOAP and Micro Services-based integration solutions

Define API governance and lifecycle Management Frameworks

Establish security standards using OAuth2, OpenID Connect, JWT and related protocols

Lead architecture reviews and technical design workshops

Collaborate with business, development, Dev Ops, infrastructure and security teams

Drive Dev Sec Ops , CI/CD and automation initiatives

Design scalable and reusable enterprise integration patterns

Produce architecture documentation, guidelines and recommendations

Support API platform adoption and continuous improvement

Required experience & qualifications

Higher education degree or equivalent experience

Junior (>1 year), Medior (>3 years), or Senior (>10 years) experience

Strong understanding of API Architecture and SOA principles

Experience with REST and SOAP services

Knowledge of OpenAPI, Swagger, YAML, OAuth2, OIDC, JWT and Jwk

Experience with API Management Platforms such as Apigee, Axway, WSO2, Red Hat Fuse or similar

Strong understanding of Java Enterprise environments

Knowledge of Enterprise Integration Patterns and SOA Design Patterns

Experience with Agile delivery methodologies

Experience with testing methodologies, Dev Ops and CI/CD

Experience with cloud platforms such as Azure, AWS or GCP

Experience with source control and collaboration tools including GIT, Jira and Confluence

Languages:

Professional working proficiency in English (mandatory)

Professional working proficiency in Dutch and/or French (mandatory)

Excellent verbal and written communication skills

Ability to communicate effectively with both business and technical stakeholders

Technology environment:
Java EE, Spring Boot, Quarkus, Apache CXF, Docker, Open Shift, Kafka, PostgreSQL, Elasticsearch, Kibana, Jenkins, Maven, GIT, Snyk, sonarqube, Neo4j, OAuth2, OIDC, SAML, OpenAPI and Swagger.

What we are looking for

A strong communicator with excellent analytical and problem-solving skills who can work effectively with both technical and business stakeholders. You should have a passion for architecture, integration, automation and continuous improvement.

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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