Microsoft

Principal Software Engineer

Microsoft
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14 hours ago
Redmond, WA, USA or Mountain View, CA, USAStaff+
H1B sponsor

Base Salary

$143k - $304k/yr

Responsibilities

  • Own critical components of the ads serving stack end-to-end, improving scalability, performance, reliability, maintainability, observability, and engineering efficiency.
  • Lead the evolution of the core auction and pricing engine for correctness, efficiency, low latency, revenue, and ad quality.
  • Drive ambiguous, high-impact technical initiatives from concept through delivery across multiple teams.
  • Set architectural direction through design reviews, shared platform modernization, and development framework improvements.
  • Partner with engineering, product, design, and applied science teams on complex cross-functional features and AI-powered advertising capabilities.
  • Improve developer productivity through tooling, automation, and platform investments.
  • Mentor engineers and establish high engineering standards across the organization.
  • Drive operational excellence through incident response, root-cause analysis, capacity planning, and performance optimization.
  • Translate long-term technical strategy into a prioritized roadmap supporting customer experience, reliability, and business growth.

Requirements

  • Bachelor’s degree in Computer Science or a related technical field and 6+ years of technical engineering experience with coding, or equivalent experience.
  • Coding experience in C, C++, C#, Java, JavaScript, or Python.
  • Preferred: master’s degree and 8+ years of technical engineering experience, or bachelor’s degree and 12+ years of experience, or equivalent experience.
  • Preferred: 5+ years owning and operating production services as a Designated Responsible Individual or on-call owner.
  • Experience designing, building, and operating large-scale distributed systems across the full software development lifecycle.
  • Strong technical design, problem-solving, debugging, cross-team leadership, architectural influence, and communication skills.
  • Experience building shared platforms, frameworks, or developer productivity solutions.
  • Experience with online advertising, search, or other high-scale, low-latency distributed systems.

Benefits

  • The typical U.S. base pay range is $142,800–$274,800 per year, with a separate San Francisco Bay Area and New York City metropolitan range of $188,000–$304,200 per year.
  • Certain roles may be eligible for benefits and other compensation.
  • Employees within a 50-mile commute of a designated U.S. Microsoft office, or a 25-mile commute of a designated non-U.S. location, are expected to work from the office at least four days per week starting January 26, 2026, subject to local law and jurisdiction.
  • The position will remain open for at least five days and accepts applications on an ongoing basis until filled.

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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