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Senior Software Engineer - M365 Substrate Directory Platform

Working in the heart of M365, you'll replace legacy directory paths with a durable, consistent, and resilient platform—one that becomes the long‑term source of truth for administrative operations across the cloud. Collaborate with...

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Microsoft Redmond, WA,US, US Source published Sep 13, 2026 Verified 6 hours ago
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Senior Software Engineer - M365 Substrate Directory Platform opportunity at Microsoft
DeadlineFri Mar 12 9:19 PM 2027
EmploymentF U L L T I M E
CountryUS

Overview

Working in the heart of M365, you'll replace legacy directory paths with a durable, consistent, and resilient platform—one that becomes the long‑term source of truth for administrative operations across the cloud. Collaborate with appropriate stakeholders to define user requirements and translate ambiguous problem spaces into clear, actionable technical solutions. Drive the identification of dependencies and lead the development of design documents for product areas, services, or platforms with minimal oversight. Create, implement, optimize, debug, refactor, and reuse code to improve system performance, maintainability, reliability, and overall return on investment (ROI). Leverage deep understanding of product features to partner with program managers and other stakeholders in driving project plans, release strategies, and well-scoped work items. Act as a Designated Responsible Individua

Full job description

Full Job Description

Working in the heart of M365, you'll replace legacy directory paths with a durable, consistent, and resilient platform—one that becomes the long‑term source of truth for administrative operations across the cloud. Collaborate with appropriate stakeholders to define user requirements and translate ambiguous problem spaces into clear, actionable technical solutions. Drive the identification of dependencies and lead the development of design documents for product areas, services, or platforms with minimal oversight. Create, implement, optimize, debug, refactor, and reuse code to improve system performance, maintainability, reliability, and overall return on investment (ROI). Leverage deep understanding of product features to partner with program managers and other stakeholders in driving project plans, release strategies, and well-scoped work items. Act as a Designated Responsible Individual (DRI) for critical components; guide other engineers by establishing and following operational playbooks, participating in on‑call rotations, and leading mitigation and recovery for both simple and complex service issues. Proactively seek new knowledge and adopt modern patterns, tools, and AI‑assisted techniques that improve availability, durability, efficiency, observability, and operational consistency at scale. 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#, Rust, Java, JavaScript, or Python These requirements include but are not limited to the following specialized security screenings: 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#, Rust, 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#, Rust, Java, JavaScript, or Python OR equivalent experience. Experience designing and operating distributed systems with clear guarantees around consistency, durability, availability, and well‑defined SLOs. Hands‑on experience with Azure, SQL/NoSQL storage, caching and messaging systems, CI/CD pipelines, and observability tooling (logs, metrics, traces; Kusto preferred).

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