Overview
Online Advertising is one of the fastest growing multi-billion-dollar business on the Internet today. Search engines, web publishers, major ad networks, and ad exchanges are now serving billions of ad impressions per day. Microsoft is innovating rapidly in this space to grow its share of this market by providing the advertising industry with the state-of-the-art online advertising platform and service.
In Microsoft Advertiser Platform team, we are building the marketing solutions for the next generation of e-commerce. As a Principal Software Engineer, you will drive complex missions and multi-team initiatives from conception through production, establish architectural direction, and influence engineering strategy across organizational boundaries. You will partner closely with product management, design, data science, and engineering teams to translate ambiguous customer and business needs into secure, reliable, and maintainable solutions which helps scale the capabilities of the marketers and help them achieve more.




Microsoft’s mission is to empower every person and every organization on the planet to achieve more. As employees we come together with a growth mindset, innovate to empower others, and collaborate to realize our shared goals. Each day we build on our values of respect, integrity, and accountability to create a culture of inclusion where everyone can thrive at work and beyond.
Starting January 26, 2026, Microsoft AI (MAI) employees who live within a 50-mile commute of a designated Microsoft office in the U.S. or 25-mile commute of a non-U.S., country-specific location are expected to work from the office at least four days per week. This expectation is subject to local law and may vary by jurisdiction.

Responsibilities
Provide hands-on technical leadership for advertiser-facing products and platforms, raising the engineering bar for technical areas like architecture, quality, security, accessibility, performance, and reliability.
Define and dri

📌 Principal Software Engineer (Bengaluru)
🏢 Microsoft
📍 Bengaluru