Microsoft

Sr Principal Architect : Ads Platform

Microsoft
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7 days ago
Bengaluru, IndiaStaff+

Responsibilities

  • Define the long-term architecture for Ads Quality across signals, entity understanding, model execution, decisioning, feedback, and measurement.
  • Design architectures for heterogeneous AI systems, including lightweight models, multimodal models, LLMs, agents, and deterministic systems.
  • Set technical direction across real-time, nearline, and offline systems while balancing quality, latency, freshness, cost, and reliability.
  • Define how evidence, model outputs, confidence, calibration, thresholds, and decision policies work together in production.
  • Partner with Applied Science, prototype difficult concepts, and influence implementation through design reviews and hands-on engagement.

Requirements

  • 15+ years of software engineering experience or equivalent technical depth.
  • Deep experience architecting large-scale production systems spanning multiple teams.
  • Strong expertise in distributed systems, production AI/ML systems, decision systems, or large-scale data platforms.
  • Strong understanding of model serving, experimentation, evaluation, observability, rollout, and feedback loops.
  • Ability to reason across software architecture and model behavior, simplify complex systems, and resolve ambiguous technical problems.
  • Track record of influencing senior engineers and technical leaders across organizational boundaries.
  • Experience with advertising, quality systems, entity intelligence, multimodal AI, agentic systems, behavioral systems, or large-scale inference is valuable.
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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