Senior
Senior SWE building Google's core Ads infrastructure in C++
Senior Software Engineer role on Google Ads, working on the systems behind search, display, shopping, travel, and video advertising products. Expect deep C++ systems questions plus design reviews and code-quality leadership expectations typical of Google's senior IC track.
Step into this interview
Free · a live voice mock calibrated to this exact role
Likely format
Google's standard SWE loop: phone screen(s) with coding, followed by an onsite/virtual loop of coding, system design, and Googleyness/leadership interviews.
What this interview tests
- C++ systems design and performance
- Design reviews and cross-team technical decision-making
- Code review standards and best practices
- Production issue triage and debugging at scale
- Software architecture ownership
Common question themes
Walk through the design of a large-scale C++ system you built
How do you decide between competing technical approaches in a design review
Describe your code review philosophy and standards
Debug a production issue from symptom to root cause
Data structures/algorithms problem relevant to ads serving scale
A time you led a technical decision or mentored another engineer
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