Microsoft

Principal Software Engineer--M365 Networking Team

Microsoft
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2 days ago
Suzhou, China or Shanghai, ChinaStaff+

Responsibilities

  • Design and implement routing, traffic-management, and load-balancing capabilities for Microsoft 365 workloads, including Copilot.
  • Optimize traffic distribution based on service health and available capacity.
  • Build distributed, highly available, and resilient systems operating across thousands of servers and handling tens of billions of transactions.
  • Improve performance, resilience, service availability, and resource utilization across Microsoft 365 infrastructure.
  • Drive technical excellence through architecture design and code reviews.
  • Collaborate across teams and organizational boundaries to deliver features end to end.
  • Pass the required Microsoft Cloud Background Check upon hire or transfer and every two years thereafter.

Requirements

  • Bachelor’s degree in Computer Science or a related technical field and 6+ years of technical engineering experience with coding, or equivalent experience.
  • Experience coding in languages including C, C++, C#, Java, JavaScript, or Python; preferred qualifications also include Rust.
  • Preferred qualifications include a master’s degree and 8+ years of experience, or a bachelor’s degree and 12+ years of experience.
  • Strong understanding of computer science fundamentals, including data structures, algorithms, and object-oriented design.
  • Experience developing, testing, and debugging backend services or distributed systems.
  • At least 3 years of industry experience in service development and successfully shipping services through multiple releases.
  • Experience with large-scale online services, performance, resiliency, telemetry, and security.
  • Understanding of distributed systems, with networking, traffic management, or load-balancing experience preferred.
  • Familiarity with AI/ML-driven decision systems and DNS architecture, resolution, troubleshooting, DNS-based traffic management, and load balancing preferred.
  • Ability to diagnose software issues and deliver reliable, maintainable solutions.
  • Strong communication, collaboration, problem-solving, customer focus, and software quality orientation.
  • Ability to meet Microsoft, customer, and/or government security screening requirements.

Categories

Microsoft

About Microsoft

10,000+ employees

Microsoft develops operating systems, productivity software, cloud services, developer tools, and consumer devices for individuals, enterprises, and governments. Its main products include Windows, Microsoft 365, Azure, Visual Studio/GitHub, Xbox, and LinkedIn; revenue comes from software subscriptions and licenses, cloud consumption, hardware sales, and advertising. Founded in 1975 and headquartered in Redmond, Washington, Microsoft is a public company traded on Nasdaq.

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