API Specialist (Secret, 5+ years) to build system-to-system integrations using SOAP/REST protocols and web services technologies

S.I. Systems Ltd.; Ottawa; Remote; CAD 90,000 - 120,000; Full time

Job summary

S.I. Systems Ltd. seeks an API Specialist (Secret) to build system-to-system integrations, develop custom APIs and plug-ins, and design standards-based web services in a regulated financial services environment.

The role requires 5+ years of hands-on integration work and proficiency with SOAP/REST, XML, WSDL, XSD, JSON, and streaming technologies. The position is a 12-month contract with remote options from Ottawa and exposure to CI/CD tooling (Jenkins, ArgoCD) and version control (Git, SVN).

Qualifications

• 5+ years building system-to-system integrations and custom APIs
• SOAP/REST, web services, messaging, and streaming technologies
• Web service standards: SOAP, REST, XML, WSDL, XSD, XQuery, XSLT, JSON
• CI/CD tools including Jenkins and ArgoCD, plus Git and SVN
• Secret clearance and university degree or college diploma in Computer Science, Engineering, or related discipline

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

Skills

System-to-system integrations

Custom APIs

SOAP/REST

Web service standards

CI/CD tools

Git & SVN

Secret clearance

Education

Bachelor's degree in Computer Science or Engineering

Tools

Jenkins

ArgoCD

Git

SVN

Job description

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 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

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.