Integration Engineer - Interac e-Transfer Modernization

Snr. Integration Engineer – Interac e-Transfer Modernization

Mandatory Keywords: Interac, e-Transfer, API integration, Real-Time Rail (RTR), Azure, .NET/C#, CI/CD

Vancity is upgrading its Interac e-Transfer Send and Receive capabilities to API version 3.7 to modernize its payments platform and align with evolving Interac standards. The primary objective is to ensure the platform is ready to support Canada’s Real-Time Rail (RTR) ecosystem and enable faster, real-time payment experiences for members.

• Report directly to the Integration Tech Lead and work under technical direction to deliver integration services aligned with the overall architecture, engineering standards, and project timelines.
• Develop and implement microservices-based integration components using .NET/C# and Azure services such as Azure Functions and API Management (APIM).
• Create and maintain detailed low‑level design (LLD) documents based on solution architecture, including API contracts, data mappings, and orchestration flows.
• Build reusable integration frameworks, libraries, and templates to standardize development across services.
• Develop, unit test, and debug high-quality, scalable, and resilient APIs and services aligned with enterprise standards.
• Implement robust error handling, retry mechanisms, idempotency controls, and logging to ensure reliable and consistent payment processing.
• Implement secure APIs using industry standards such as OAuth2, OIDC, and mTLS, in alignment with enterprise security guidelines.
• Deploy and validate services in lower environments and support integration testing, defect triage, and resolution.
• Implement observability practices including structured logging, distributed tracing (correlation IDs), and monitoring using Azure Monitor and Application Insights.
• Collaborate closely with the Integration Tech Lead, Solution Architects, Info Sec, business teams, and external partners (e.g., Central
  1) to ensure seamless end-to-end integration.

• 8+ years of experience in API development and system integration within enterprise environments.
• Strong hands‑on development experience in .NET / C# and RESTful API design.
• Experience with Azure integration services such as Azure Functions, and API Management (APIM).
• Solid understanding of microservices architecture and distributed system design.
• Hands‑on experience implementing integration and resiliency patterns such as retry, circuit breaker, idempotency, and asynchronous messaging.
• Experience with API security standards (OAuth2, OIDC, mTLS) and secure coding practices.
• Experience with CI/CD pipelines using Azure Dev Ops (YAML pipelines preferred).
• Strong understanding of observability practices including logging, monitoring, and distributed tracing.