Senior Integration Services Developer

About the role

Ontario Power Generation is seeking a Senior Integration Services Developer to lead end‑to‑end integration initiatives on SAP Integration Suite (CPI/BTP). You will design integration architectures, build iFlows, manage API lifecycles, and ensure secure hybrid connectivity across SAP and non‑SAP systems.

Key responsibilities

• Build, configure, test, and deploy scalable integration flows in SAP Integration Suite (CPI) to meet business and technical requirements.
• Create, publish, version, and retire APIs while enforcing governance, documentation, and consumption standards.
• Develop and maintain message mappings and transformations using Message Mapping, Groovy scripting, and XSLT.
• Enable reliable connectivity between SAP systems (S/4HANA, SuccessFactors, FieldGlass) and non‑SAP platforms such as ServiceNow.
• Configure and administer SAP Cloud Connector, including sub‑account mappings, access controls, and troubleshooting.
• Define integration patterns, produce technical design documents, and align solutions with enterprise standards.
• Troubleshoot complex production issues, perform root‑cause analysis, and implement fixes to improve stability and performance.
• Implement secure authentication/authorization (OAuth, certificates, key management) and ensure compliance with SAP “Clean Core” principles.

Required profile

• 4‑year Bachelor’s degree in Computer Science, Engineering, or a related discipline.
• 6+ years of experience delivering integration solutions on SAP platforms.
• Relevant certifications in Azure integration technologies are an asset.

Required skills

• SAP Integration Suite (CPI/BTP)
• API design and lifecycle management
• Message Mapping, Groovy, XSLT
• SAP Cloud Connector
• S/4HANA, SuccessFactors, FieldGlass
• ServiceNow integration
• OAuth, certificates, key management
• Azure integration technologies (optional)

What we offer

• Hybrid work environment
• Competitive contract compensation
• Opportunity to contribute to a sustainable energy future