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MI

Microsoft

via Eightfold

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Senior Software Engineer

Mountain View, California, Redmond, Washington
Full-time
Posted 9/9/2026
Direct Apply
Key Skills:
JavaScript
System Reliability
Observability
API Design
Mentorship

Compensation

Salary Range

$70K - 130K a year

Responsibilities

Design and build scalable services for provisioning, capacity validation, and autoscaling, automating service movement and quota management.

Requirements

Bachelor's degree and 4+ years technical engineering experience with proficiency in specified programming languages and passing a Microsoft Cloud background check.

Full Description

Overview 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 Capacity team, part of the platform that powers some of the largest-scale services in Microsoft, including Copilot 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 Senior Software Engineer to build services for COSMIC Capacity and Quota management, auto-scaling etc. 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 and build scalable services for provisioning, capacity validation, and autoscaling. Automate service movement across regions using real-time capacity signals Develop quota management automation to minimize provisioning delays. Integrate with M365 Capacity systems to streamline capacity allocation process. Support reliability, observability, security, and compliance standards. 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. 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. Software Engineering IC4 - The typical base pay range for this role across the U.S. is USD $119,800 - $234,700 per year. There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $160,200 - $261,000 per year. Certain roles may be eligible for benefits and other compensation. Find additional benefits and pay information here: https://careers.microsoft.com/us/en/us-corporate-pay This position will be open for a minimum of 5 days, with applications accepted on an ongoing basis until the position is filled. Microsoft is an equal opportunity employer. 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 with religious accommodations and/or a reasonable accommodation due to a disability during the application process, read more about requesting accommodations. Read more

This job posting was last updated on 9/10/2026

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