Microsoft

Principal Software Engineer

Microsoft
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15 hours ago
Redmond, WA, USAStaff+
H1B sponsor

Base Salary

$143k - $304k/yr

Responsibilities

  • Set technical direction and architecture for the Brand Agents platform across data ingestion, grounding, agent orchestration, and multi-surface delivery.
  • Design and build agentic systems using large language models, retrieval, tool/function calling, and agent frameworks to understand intent and take reliable actions.
  • Build scalable pipelines that ingest, normalize, and refresh product catalogs, inventory, pricing, policies, and other business data.
  • Expose brand capabilities through secure MCP and A2A endpoints for AI assistants and agent-to-agent interactions.
  • Develop evaluation, experimentation, quality, safety, and business-outcome measurement frameworks with applied science partners.
  • Integrate Brand Agents with Microsoft Advertising, Bing, and Microsoft Copilot experiences.
  • Drive reliability, latency, cost efficiency, security, privacy, Responsible AI, and live-site operations for real-time AI services.
  • Lead cross-team technical initiatives and mentor engineers.

Requirements

  • Bachelor's degree in computer science or a related technical field and 6+ years of technical engineering experience with coding in C, C++, C#, Java, JavaScript, or Python, or equivalent experience.
  • Preferred: master's degree and 8+ years of experience, or bachelor's degree and 12+ years of experience, or equivalent experience.
  • Experience shipping production applications powered by large language models, including RAG, prompt and tool orchestration, and agent frameworks.
  • Experience designing and operating large-scale, low-latency distributed systems and cloud services in production.
  • Experience building data ingestion and processing pipelines for structured content such as product catalogs or business data.
  • Experience with AI evaluation and experimentation, including offline metrics, online A/B testing, and quality and safety measurement.
  • Familiarity with agent interoperability protocols and APIs such as MCP and A2A and with conversational or commerce experiences.
  • Experience in online advertising, e-commerce, or search platforms.
  • At least 4 years of experience as a technical lead influencing direction across teams and mentoring engineers.

Benefits

  • Employees within a 50-mile commute of a designated U.S. Microsoft Hub are expected to work from the office at least four days per week, subject to local law and jurisdiction.
  • Certain roles may be eligible for benefits and other compensation.
  • Microsoft provides equal employment opportunity and reasonable accommodations.
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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