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Amazon

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Build the AdClicks event pipeline that processes trillions of ad signals a day across all of Amazon's Sponsored Ad programs

This SDE role sits on the Sponsored Products Marketplace AdClicks team, owning large-scale, highly available services that centrally process ad impressions, views, clicks, and video-unmute signals across Sponsored Products, Sponsored Brands, Sponsored Brands Video, and Sponsored Display. You'll set technical direction for Tier-1 ad-serving-eligibility services and the enrichment pipeline (bot detection, chargeable-event validation, geotagging) that feeds billing, attribution, and real-time campaign optimization.

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Likely format

Amazon SDE loop: online assessment, phone screen, then onsite/virtual loop of behavioral (Leadership Principles) + coding/system design rounds, with a bar raiser

What this interview tests

  • High-throughput event-joining and enrichment pipelines
  • Correctness guarantees for billing-critical ad-signal processing
  • Tier-1 service design and graceful degradation
  • Setting technical vision across multiple dependent ad programs
  • Advising leadership on technical risk

Common question themes

Design a pipeline that joins and enriches millions of ad click/impression events per second

How would you guarantee correctness in an event pipeline that feeds directly into advertiser billing

Tell me about a time you set the technical direction for a service used by multiple product teams

How would you design a Tier-1 ad-eligibility service to degrade gracefully instead of failing outright

Describe advising senior leadership on a technical risk or trade-off you saw before it became a problem

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