API and Middleware Developer (Senior) - Full remote

Partenaire technologique des grandes entreprises depuis 1979, le Groupe SII est au cœur de l'économie de l'innovation avec 16 000 collaborateurs, une présence internationale dans 20 pays, et un chiffre d’affaires supérieur à 1.621 milliards de dollars canadiens. 

SII Canada offre à ses clients une expertise technique avancée dans les domaines du développement applicatif, Web et Mobile, de la Cybersécurité et du Cloud. Nous intervenons également en Ingénierie, particulièrement sur les systèmes embarqués dans divers secteurs industriels. Notre ambition : faire évoluer les systèmes d’information et contribuer à la création des produits et services de demain pour nos clients.

D'autre part, l’inclusion est au cœur de notre culture d’entreprise. SII Canada s’engage à offrir un environnement de travail équitable et respectueux, favorisant la diversité des profils et l’égalité des chances.

Job description:

As part of high‑impact digital transformation initiatives, you will work as a senior API and middleware developer within a platform engineering team. You play a key role in designing, building, and operating robust and scalable platforms, with a strong focus on Azure API Management (APIM) and Self‑Hosted Gateways (SHG) deployed in an OpenShift environment.
Your primary mission is to build and maintain automation pipelines for APIs and to implement the tools required to support API governance standards, combining API development, middleware integration, and DevOps practices.

Work environment:

Position open in fully remote or hybrid mode, with a preference for candidates located in the Montreal area.
Initial one‑year contract with a strong possibility of renewal or conversion to a permanent position.
Start date as soon as possible.

Key responsibilities:

• Design, deploy, and maintain API Management solutions (APIM, Self‑Hosted Gateways) orchestrated through Argo CD and Helm
• Implement APIM policies related to authentication, transformation, and security, and contribute to API governance
• Develop and maintain infrastructure as code using Terraform to ensure automation and consistency
• Develop and maintain middleware solutions enabling seamless system‑to‑system communication
• Manage authentication and authorization mechanisms, including RBAC and Managed Identities
• Analyze and extract logs from APIM and Azure services to troubleshoot and optimize integrations
• Maintain expertise in integration protocols (REST, RESTful, MCP) and messaging patterns (pub/sub, Event Hub, Service Bus)
• Perform API testing and validation using tools such as OpenAPI, Spectral, and Swagger Hub
• Contribute to CI/CD pipelines and Git workflows, including GitFlow and code reviews
• Ensure platform reliability and compliance while supporting containerized workloads on OpenShift and Kubernetes

Required skills and experience:

• 3 to 5 years of experience as an API and middleware developer, with strong focus on API design, development, and integration
• Advanced hands‑on expertise with Azure API Management, including policies, gateways, networking, RBAC, logging, and monitoring
• Strong knowledge of API catalogs and best practices for API contract definition (OpenAPI, Spectral, Postman)
• Solid understanding of REST / RESTful integrations and messaging systems (pub/sub, Event Hubs, Service Bus)
• Proficiency with DevOps and infrastructure tools such as Terraform, OpenShift / Kubernetes, Argo CD, and Helm
• Practical experience with RBAC, Managed Identities, Key Vault, and secure API patterns
• Scripting skills using Bash, PowerShell, or Python
• Strong communication skills, with the ability to explain complex concepts and produce clear documentation
• Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent professional experience

Nice‑to‑have skills:

• Experience with API governance frameworks
• Knowledge of observability tools such as Application Insights and Log Analytics
• Experience writing complex APIM policies
• Awareness of emerging protocols such as MCP