Principal Software Engineer

Technology, Data & Digital · Software & Web Development · Software Engineering · Web Development

In short

Microsoft is seeking a Principal Software Engineer to design, develop, and harden core platform capabilities for the Microsoft 365 Copilot Agent Platform. This role requires deep understanding of distributed systems and involves coding, debugging, and collaborating with partner teams to ensure high-quality, reliable services. The ideal candidate will contribute to safe deployment practices and operate at the core of M365, impacting applications like Outlook, Teams, and Word.

Responsibilities

Guides engineers within and across teams to produce extensible, maintainable, well-tested, secure, and performant code that adheres to design specifications.
Partners with appropriate stakeholders to determine user requirements for one or more complex scenarios.
Provides technical leadership in identifying dependencies and developing design documents for a product, application, service, or platform.
Leads by example and mentors others to produce high-quality code used across the company, promoting engineering excellence and long-term maintainability.
Leverages deep subject-matter expertise of cross-product features to collaborate with stakeholders and lead multiple products’ project plans, release plans, and work items.
Holds accountability as a Designated Responsible Individual (DRI), mentoring engineers across products/solutions and participating in on-call rotations to monitor system/product/service health, including degradation, downtime, or interruptions.
Proactively seeks new knowledge and adapts to emerging trends, technologies, and patterns to improve availability, reliability, efficiency, observability, and performance, while driving consistency in monitoring and operations at scale; shares learnings with other engineers.
Embody our Culture and Values

Requirements

Bachelor'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 equivalent experience.
Ability to meet Microsoft, customer and/or government security screening requirements.
Must pass the Microsoft Cloud background check upon hire/transfer and every two years thereafter.

Desired Qualifications

Master'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 Bachelor's Degree in Computer Science or related technical field AND 12+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience.
2+ years of experience working on building and designing complex web apps.
2+ years of experience working on web performance, including experience with web profiling tools and familiarity with industry best practices.
2+ years of experience on defining engineering culture for a broader organization, including best practices on automation, performance, and reliability.
2+ years of experience leading crews of 5+ engineers on complex engineering projects in the web development space.

Benefits

Opportunity to grow skills and take on new challenges in runtime/orchestration, real-time multimodal, API/protocol design, and developer experience.
Work at the core of M365, impacting Outlook, Teams, Word, Excel, PowerPoint, and more.
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

Skills

C++C#JavaJavaScriptPythonC

#Microsoft 365 Copilot#Agent Platform#Large Language Models#Microsoft Graph#Web Development#Distributed Systems#Cloud Computing

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