Java Developer (Freelance or Permanent, Fully Remote Possible)

About the role

NTT DATA is looking for a Java Developer to design, develop and maintain secure, scalable and standards-based applications and APIs within modern Service-Oriented Architectures. You will work closely with Solution Architects, Developers, Product Owners and business stakeholders to deliver high-quality Java applications, implement API and web service standards and contribute throughout the complete software development lifecycle. The position is open to Belgium, with fully remote work possible, and is offered on a freelance or permanent basis.

Key responsibilities

• Develop enterprise applications using Java and Java EE
• Design and implement APIs using OAuth2, OpenAPI and JWT standards
• Develop and maintain SOAP and REST web services
• Apply SOA principles and Enterprise Integration Patterns
• Design technical solutions using UML and BPMN, and interpret XML and JSON transformations
• Write technical documentation and system specifications
• Take part in Agile Scrum sprint cycles
• Manage source code and version control with Git, and test web services with SOAPUI, ReadyAPI and Postman
• Contribute to design, development, testing, deployment, release and production support

Required profile

• Degree or equivalent professional experience
• Professional experience as a Java Developer or similar role
• Strong Java and Java EE application development experience
• Agile experience (Scrum, Kanban) and knowledge of EUP, RUP, PMBOK, PRINCE2, ITIL and TOGAF
• Excellent technical writing and documentation skills
• Professional English, or Dutch and/or French

Required skills

• Java, Java EE, REST, SOAP, WSDL, WS-Security, OAuth2, OpenAPI, JWT
• UML, BPMN, XML, JSON, XSD, XQuery, XPath, XSLT
• Git, SOAPUI, ReadyAPI, Postman, Jira, Confluence, Jenkins, ELK Stack
• Client frameworks: Axis2, Apache CXF.NET, JAX-WS RI, Rampart