API manager developer (Axway)
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Location: Belgium (Fully Remote Possible)
Contract Type: Freelance or Permanent
About the role
We are looking for an API Manager Developer to develop and maintain enterprise API management solutions and support the delivery of secure, scalable and high-performing integration platforms.
You will work closely with Solution Architects, Infrastructure Engineers, Developers and business stakeholders to build API GateWay solutions, implement integration standards and contribute to the successful delivery of enterprise API initiatives.
Key responsibilities:
Develop and maintain API GateWay solutions
Build API services using Axway, Apigee, WSO2 API Manager, Red Hat Fuse or similar platforms
Implement secure API solutions using OAuth2, OIDC, JWT and Jwk
Develop REST and SOAP-based web services
Apply API, SOA and Enterprise Integration principles in solution development
Support the complete application lifecycle from design through development, testing, deployment, release and production support
Collaborate with infrastructure teams on secure deployment pipelines and cloud environments
Produce high-quality technical documentation
Support testing, validation and troubleshooting activities
Participate in Agile delivery teams and contribute to continuous improvement
Ensure compliance with API governance, security and development best practices
Required experience & qualifications
Higher education degree or equivalent professional experience
Professional experience as an API Developer, API Manager Developer or similar role
Experience with API GateWay development
Experience with Axway or similar API management platforms (Apigee, WSO2 API Manager, Red Hat Fuse)
Strong knowledge of REST, SOAP, WSDL and Web Services standards
Experience with OpenAPI, Swagger and YAML
Strong understanding of API and SOA principles, including MicroServices architectures
Experience implementing API security using OAuth2, OIDC, JWT, Jwk and PKI
Understanding of SOA Design Patterns, Enterprise Integration Patterns and event-driven architectures
Experience with XML, JSON, XSD, XPath, XQuery and XSLT
Knowledge of testing methodologies and API testing tools
Experience with GIT source control and secure CI/CD pipelines
Experience working with Agile methodologies such as Scrum or Kanban
Excellent technical documentation and communication skills
Experience using Jira and Confluence
Experience working with public cloud platforms such as Azure, AWS or GCP
Professional proficiency in English or one of the Belgian national languages (French or Dutch)
Languages
Professional working proficiency in English (mandatory) or;
Professional working proficiency in Dutch and/or French (mandatory)
Technology environment: Axway, Apigee, WSO2 API Manager, Red Hat Fuse, REST, SOAP, WSDL, OpenAPI, Swagger, YAML, OAuth2, OIDC, JWT, Jwk, XML, JSON, XSD, XPath, XQuery, XSLT, GIT, Postman, SoapUI, ReadyAPI, Jenkins, Azure, AWS, GCP, Jira, Confluence, Miro, Mural, ELK Stack, Agile and Scrum.
What we are looking for
A hands-on API developer with strong software engineering skills, a security-first mindset and the ability to develop robust, enterprise-grade API solutions within modern service-oriented architectures. xlxgzvr
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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