Software Engineer II
Microsoft Canada
Toronto, ON- 
                                        
                                        Number of positions available : 1 
- Salary To be discussed
- Full time
- Published on October 30th, 2025
- 
                                                
                                                Starting date : 1 position to fill as soon as possible 
Description
We are the COSMIC Capacity Provisioning team, part of the platform that powers some of the largest-scale services in Microsoft, including Teams backend services and LLM APIs. This team ensures that customer workloads are placed reliably with sufficient quota and capacity, and that runtime scaling and provisioning succeed across dynamic and heterogeneous environments.
We’re looking for a Software Engineer II to help build COSMIC AURA —an AI-first orchestration platform that will redefine how Microsoft optimizes runtime capacity, workload placement, and operational efficiency for COSMIC. You will be part of a high-performing, cross-functional team building multi-tenant, high-throughput services with a solid focus on reliability and performance.
Microsoft’s mission is to empower every person and every organization on the planet to achieve more. As employees we come together with a growth mindset, innovate to empower others, and collaborate to realize our shared goals. Each day we build on our values of respect, integrity, and accountability to create a culture of inclusion where everyone can thrive at work and beyond.
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