senior middleware developer/technical analyst.

We are seeking a highly skilled Senior Developer/Analyst to lead a critical enterprise middleware modernization initiative. This role focuses on the strategic transition from legacy systems to a modern, cloud-native architecture using Azure Integration Services (AIS). You will bridge the gap between legacy workflows and future-state technology, designing complex integrations that power global operations.

Pay Rate: $70.23-$83/Hr

Advantages
- Lead a high-impact transition from a major legacy platform to a modern Azure ecosystem.

- Work across the full suite of Azure Integration Services, including serverless and NoSQL technologies.

- Partner with diverse technical teams, from Enterprise Architecture to Cyber Security.

- Benefit from a balanced work structure featuring both remote and on-site collaboration.

Responsibilities
- Drive the strategic migration from BizTalk Server to Azure Integration Services, recreating legacy orchestrations and pipelines as modern cloud workflows.

- Design, develop, and secure robust integration patterns using Logic Apps Standard, API Management (APIM), and Azure Service Bus.

- Build reusable integration components, develop API-based integrations, and manage complex mappings using XSLT and Liquid templates.

- Utilize Bicep or ARM templates to build and deploy non-production infrastructure and integration prerequisites.

- Implement CI/CD pipelines in Azure DevOps and ensure all solutions comply with security protocols, including OAuth2, Key Vault, and RBAC.

- Diagnose complex connectivity and authentication issues, perform performance tuning, and provide technical support during SIT and UAT phases.

- Maintain comprehensive operational runbooks, interface mappings, security protocols, and technical design artifacts.

Qualifications
- 10+ years of expertise in enterprise-level systems integration specializing in .NET Framework/Core and C#.

- 4+ years of hands-on Azure Logic Apps development with a valid Azure Developer Certification.

- Significant background in BizTalk Server (orchestrations, pipelines, maps, and adapters) and experience in cloud migrations.

- Proficiency with Azure Functions, Service Bus, Cosmos DB, Azure Data Factory, and Azure Storage.

- Strong skills in Git, Azure DevOps (CI/CD), and Infrastructure-as-Code (Bicep/Terraform).

- Extensive experience with XML, XSLT, JSON, and Liquid templates.

- Knowledge of Private Endpoints, vNets, NSGs, and hybrid connectivity.

Summary
If you're interested in the Senior Developer/Analyst role based in Toronto, we encourage you to apply online at Only qualified candidates will be contacted for the next steps. We look forward to hearing from you!

Randstad Canada is committed to fostering a workforce reflective of all peoples of Canada. As a result, we are committed to developing and implementing strategies to increase the equity, diversity and inclusion within the workplace by examining our internal policies, practices, and systems throughout the entire lifecycle of our workforce, including its recruitment, retention and advancement for all employees. In addition to our deep commitment to respecting human rights, we are dedicated to positive actions to affect change to ensure everyone has full participation in the workforce free from any barriers, systemic or otherwise, especially equity-seeking groups who are usually underrepresented in Canada's workforce, including those who identify as women or non-binary/gender non-conforming; Indigenous or Aboriginal Peoples; persons with disabilities (visible or invisible) and; members of visible minorities, racialized groups and the LGBTQ2+ community.

Randstad Canada is committed to creating and maintaining an inclusive and accessible workplace for all its candidates and employees by supporting their accessibility and accommodation needs throughout the employment lifecycle. We ask that all job applications please identify any accommodation requirements by sending an email to View email address on randstad.com to ensure their ability to fully participate in the interview process.

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