Software Development Engineer, Ads Traffic Quality

Amazon Ads is a multi-billion dollar global business that delivers advertising experiences across Amazons owned-and-operated properties (including Prime Video Twitch Fire TV and ) third-party publishers and emerging channels like generative AI-powered shopping experiences. As one of the fastest-growing segments of Amazon we operate at unprecedented scale across desktop mobile connected TV and emerging surfaces.
Within Amazon Ads Traffic Quality Signal Engineering and Analytics is a critical pillar of advertiser trust and marketplace integrity. Our mission is to build advanced signal collection detection and analytics capabilities that work at petabyte scale to identify and mitigate sophisticated invalid traffic (IVT) including non-human traffic bot networks agentic bot traffic and fraudulent engagement patterns across programmatic advertising. We are on a journey to establish Amazon Ads as an industry leader in traffic quality standards and transparency. We achieve this by building client-side and network telemetry collection systems enabling forensics detection signatures and business metrics reporting. We process billions of ad events daily developing novel detection techniques that balance precision and recall while operating under strict latency constraints. Our work directly protects hundreds of millions of dollars in advertiser spend annually while maintaining a seamless advertiser experience.

Key job responsibilities

- Own the full development cycle for production-level systems: design implement test and deploy.
- Build and maintain large-scale data pipelines signal collection systems and analytics infrastructure.
- Develop dashboards and reporting pipelines to measure system effectiveness and business impact.
- Deliver high-quality code and participate actively in peer code reviews.
- Investigate design approaches prototype solutions and evaluate technical feasibility.
- Drive operational excellence by identifying problems and proposing improvements.
- Communicate effectively with local and remote teams both verbally and in writing.

A day in the life
You will work closely with Security Engineers Data Scientists Senior Engineers and Product Managers to understand the problem space compile requirements and build solutions using the right technologies and design principles. You will build and own analytics and reporting that provide teams with visibility into system effectiveness and business impact. You will gain experience building and operating large-scale high-throughput data systems and collaborate across teams to integrate new data sources and expand coverage.

About the team
The Traffic Quality Signal Engineering and Analytics team builds and operates invalid traffic detection signal collection and analytics systems that form the bedrock of advertiser trust in Amazon Ads. We work across the full detection lifecycle from client-side signal collection and network telemetry ingestion through forensic investigation and signature deployment to business metrics reporting that measures the effectiveness of TQs detection capabilities. We are a diverse globally distributed team that is constantly looking to learn innovate experiment and have fun while obsessing over protecting advertisers.

- Experience (non-internship) in professional software development
- Experience in professional non-internship software development
- Experience programming with at least one modern language such as Java C or C# including object-oriented design

- Bachelors degree in computer science or equivalent
- Experience with full software development life cycle including coding standards code reviews source control management build processes testing and operations

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