Software Engineer II - Microsoft 365 Copilot inference infrastructure
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Microsoft 365 Copilot is a groundbreaking productivity tool that leverages the power of large language models, user data, Microsoft Graph, and the web to drive unparalleled creativity and productivity. Our team in Microsoft Search, Assistant, and Intelligence (MSAI) designs and operates the central infrastructure enabling Copilot experiences across Teams, Outlook, Word, PowerPoint, and more. You’ll work on systems that scale to millions of users and deliver AI‑driven capabilities that redefine how people work every day.
Our team is driving one of Microsoft’s most transformative technology efforts: bringing AI to every customer through the Microsoft 365 suite. We combine deep technical innovation with product‑facing impact, operating at massive scale. We are proud of our collaborative culture and our track record of delivering results at scale.
As a Software Engineer II on our team, you’ll design, implement, and optimize core services that make Copilot fast, reliable, and intelligent. You’ll work on complex problems in GPU capacity management, LLM inference, and AI efficiency at scale. Collaborating with engineers across Microsoft, you’ll build distributed systems, improve inference performance, and ensure resiliency for millions of users.
This Opportunity Will Allow You To
Accelerate your career growth by working on cutting‑edge AI infrastructure.
Develop deep expertise in distributed systems and cloud‑scale architecture.
Hone your problem‑solving skills in a highly collaborative environment.
Responsibilities
Work with stakeholders to determine user requirements for a set of features.
Contribute to design documents and identify dependencies for product areas with minimal oversight.
Implement and maintain code for services and features, reusing components where applicable.
Break down larger work items into smaller tasks and provide accurate estimates.
Act as a Designated Responsible Individual (DRI) during on‑call rotations to monitor and restore services for simple issues.
Stay current with emerging technologies and patterns to improve reliability, efficiency, and performance at scale.
Required Qualifications
Bachelor’s Degree in Computer Science or related technical field AND 2+ years of technical engineering experience coding in languages such as C, C++, C#, Java, JavaScript, or Python OR equivalent experience.
2+ years of experience building distributed, near real‑time, high‑load systems.
2+ years of experience translating requirements into feature implementations.
Other Requirements
Ability to meet Microsoft, customer and/or government security screening requirements is 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
Bachelor’s Degree in Computer Science OR related technical field AND 4+ years technical engineering experience OR Master’s Degree in Computer Science or related technical field AND 2+ years technical engineering experience.
Familiarity with modern software design patterns (microservices, containers, caching, queuing).
Experience with CUDA kernels, CPU/GPU performance optimization, network latency, and managing large‑scale capacity fleets.
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.
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