Senior SDE — Personalization & Explainable AI for Ads

Amazon; New York (NY); On-site; USD 180,000 - 260,000; Full time

Job summary

Amazon Advertising is seeking a Sr. Software Development Engineer to join the Personalization & Guidance team, building AI-native systems that make advertising more intelligent, transparent, and effective for advertisers around the world.

You will work on explainable AI, real-time inference, and multi-agent coordination inside a high-scale, distributed infrastructure, collaborating with product and data teams to drive measurable impact across campaigns.

Qualifications

• Strong distributed systems fundamentals; you’ve built services that are fast and correct under real traffic.
• Experience with ML infrastructure or production ML-adjacent systems; you understand what it takes to build reliable systems around probabilistic models.
• Product instincts; you care that the output is useful and legible to the person using it, not just that the pipeline ran successfully.
• Comfort with ambiguity; the team is moving fast and some architectural decisions are still being established.
• Strong written communication; design documents are central to technical decisions.

Responsibilities

• Personalization at scale — building and maintaining structured models of advertiser behavior that update across millions of accounts and inform real-time decisions.
• Real-time ML inference — systems that evaluate and rank recommendations, guidance, and actions at high volume with tight latency constraints.
• Explainable AI systems — infrastructure that makes automated decisions auditable and legible to end users.
• Multi-agent coordination — APIs and contracts that allow multiple specialized AI agents to contribute outputs into a unified experience with quality enforcement at delivery.
• Event-driven data pipelines — high-volume ingestion, processing, and serving of advertising signals for ML models and real-time recommendations.

Job description

Amazon Advertising is seeking a Sr. Software Development Engineer to join the Personalization & Guidance team, building AI-native systems that make advertising more intelligent, transparent, and effective for advertisers around the world.

You will work on explainable AI, real-time inference, and multi-agent coordination inside a high-scale, distributed infrastructure, collaborating with product and data teams to drive measurable impact across campaigns.