Senior Software Engineer

Are you excited by the challenge of building and scaling large, Kubernetes-based service platforms? Do you thrive in a collaborative engineering environment where your work has global impact? If so, we’d love to connect with you.

We are the COSMIC Topology and Namespace Management team, part of the platform that powers some of the largest-scale services in Microsoft, including Teams backend services and Copilot. Our team focuses on the critical infrastructure that enables onboarding, cluster fleet provisioning, and establishing standards across apps through policies (e.g., observability, deployment, security etc.).

We’re looking for a Senior Software Engineer 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 strong 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.

Responsibilities

• Design, build, and improve backend services for onboarding and Namespace provisioning.
• Develop scalable technical solutions to support COSMIC's growth.
• Automate provisioning pipelines, define service definitions and policies, and migrate object models.
• Create automation for moving services between regions and disaster recovery strategies that ensure resiliency and performance.
• Enhance reliability, observability, security, and compliance of services.
  
  

Qualifications

Required Qualifications:

• Bachelor's Degree in Computer Science or related technical field AND 4+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python
• OR equivalent experience.
• 4+years of professional software development experience, building scalable, highly available cloud or distributed systems.
• 4+ years experience in at least one programming language (e.g., C#, Go, Java, Python).
  

Other Requirements

Ability to meet Microsoft, customer and/or government security screening requirements are required for this role. These requirements include but are not limited to the following specialized security screenings:

• Microsoft Cloud Background Check: This position will be required to pass the Microsoft Cloud background check upon hire/transfer and every two years thereafter.
  
  

Preferred Qualifications

• Master's Degree in Computer Science or related technical field AND 6+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR Bachelor's Degree in Computer Science or related technical field AND 8+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience.
• Experience with C#, PowerShell, or Go.
• Familiarity with Azure cloud services and Kubernetes.
• Proven track record in designing and operating large-scale cloud systems.
  
  

Software Engineering IC4 - The typical base pay range for this role across Canada is CAD $114,400 - CAD $203,900 per year.

Find Additional Pay Information Here

https://careers.microsoft.com/v2/global/en/canada-pay-information.html

Microsoft will accept applications for the role until November 9th, 2025.

#M365Core

Microsoft is an equal opportunity employer. Consistent with applicable law, all qualified applicants will receive consideration for employment without regard to age, ancestry, citizenship, color, family or medical care leave, gender identity or expression, genetic information, immigration status, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran or military status, race, ethnicity, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable local laws, regulations and ordinances. If you need assistance and/or a reasonable accommodation due to a disability during the application process, read more about requesting accommodations.