API Specialist (Secret, 5+ years) to build system-to-system integrations using SOAP/REST protocols and web services technologies Our financial services client is seeking an API Specialist (Secret, 5+ years) to build system-to-system integrations using SOAP/REST protocols and web services technologies
Join a banking environment supporting integration and solution architecture initiatives within a complex enterprise landscape. This role focuses on building custom APIs, plug-ins, and standards-based web services integrations using SOAP/REST protocols, messaging systems, and CI/CD tools. The position offers exposure to integration patterns, streaming concepts, and enterprise messaging technologies in a regulated environment.
12- month Contract
Must hold Secret clearance
Must Haves
5+ years building system-to-system integrations and custom APIs
SOAP/REST protocols, web services, message-oriented integration, and streaming technologies
Web service standards such as SOAP, REST, XML, WSDL, XSD, XQuery, XSLT, and JSON
CI/CD tools including Jenkins and ArgoCD , plus version control systems Git and SVN
Secret clearance and university degree or college diploma in Computer Science, Engineering, or related discipline
Nice to Have
Demonstrated solution architecture and integration experience
Messaging systems including JMS and Red Hat AMQ
Agile / Scrum and/or DevOps
Responsibilities
Build system-to-system integrations
Develop custom APIs and plug-ins
Design standards-based web services access protocols
Implement integration patterns using SOAP/REST protocols
Work with message-oriented integration and streaming technologies
Use CI/CD tools including Jenkins and ArgoCD
Manage code using Git and SVN




Our financial services client is seeking an API Specialist (Secret, 5+ years) to build system-to-system integrations using SOAP/REST protocols and web services technologies
Join a banking setting supporting integration and solution architecture initiatives within a complex enterprise landscape. This role focuses on building custom APIs, plug-ins, and standards-based web services integrations using SOAP/REST protocols, messaging systems, and CI/CD tools. The position offers exposure to integration patterns, streaming concepts, and enterprise messaging technologies in a regulated environment.
12- month Contract
Remote (Ottawa est.)
Must hold Secret clearance
Must Haves
5+ years building system-to-system integrations and custom APIs
SOAP/REST protocols, web services, message-oriented integration, and streaming technologies
Web service standards such as SOAP, REST, XML, WSDL, XSD, XQuery, XSLT, and JSON
CI/CD tools including Jenkins and ArgoCD , plus version control systems Git and SVN
Secret clearance and university degree or college diploma in Computer Science, Engineering, or related discipline
Nice to Have
Demonstrated solution architecture and integration experience
Messaging systems including JMS and Red Hat AMQ
Agile / Scrum and/or DevOps
Responsibilities
Build system-to-system integrations
Develop custom APIs and plug-ins
Design standards-based web services access protocols
Implement integration patterns using SOAP/REST protocols
Work with message-oriented integration and streaming technologies
Use CI/CD tools including Jenkins and ArgoCD
Manage code using Git and SVN
Disclaimer:
AI may be used in evaluating candidates.
This posting is for an existing vacancy.
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📌 API Specialist (Secret, 5+ years) to build system-to-system integrations using SOAP/REST protocols a (Ontario)
🏢 S.I. Systems
📍 Ontario