Applied Scientist, End User Messaging, AWS Applied AI Solutions Core Services

Amazon
USA, WA, Seattle2026-02-26ONSITE

About the job

As part of the AWS Applied AI Solutions organization, we're advancing the frontier of trust and safety systems for cloud-based communication services. Our vision is to be the trusted foundation for transforming every business with Amazon AI teammates. Our mission is to deliver turnkey, enterprise-grade foundational AI capabilities that create delightful AI powered solutions. We're building sophisticated AI systems that protect infrastructure from evolving threats while enabling legitimate high-volume users to operate without friction, with messaging services at scale as a key application area.

Responsibilities

Develop advanced machine learning approaches and agentic systems that autonomously adapt to evolving threat patterns across cloud communication services

Create behavioral detection models that quickly identify malicious patterns after onboarding rather than creating friction during signup

Design intelligent resource allocation algorithms that optimize service delivery based on real-time feedback

Develop frameworks operating at scale across diverse usage patterns, analyzing hundreds of thousands of daily active customers

Research novel approaches combining AI agents with trust and safety systems to solve complex security problems

Collaborate with engineering teams to integrate science components into production systems

Conduct rigorous experimentation and establish evaluation frameworks to measure solution performance

Qualifications

Minimum

3+ years of building models for business application experience

PhD, or Master's degree and 4+ years of CS, CE, ML or related field experience

Experience in patents or publications at top-tier peer-reviewed conferences or journals

Experience programming in Java, C++, Python or related language

Experience in any of the following areas: algorithms and data structures, parsing, numerical optimization, data mining, parallel and distributed computing, high-performance computing

Preferred

Experience using Unix/Linux

Experience in professional software development