AI Knowledge & Personalization Systems Engineer

Amazon; Irvine (CA); On-site; USD 144,000 - 194,000; Full time

Job summary

Amazon is hiring a software engineer to design scalable distributed systems that capture and retrieve knowledge across diverse sources. You will implement intelligent retrieval, build APIs for memory access, and develop pipelines for real-time and batch data processing.

The role collaborates with Applied Scientists to integrate novel knowledge extraction methods, enabling cross-domain insights and rapid iteration on production infrastructure.

Qualifications

• 3+ years of non-internship software development experience.
• 2+ years of non-internship design or architecture experience for new or existing systems.
• Experience programming with at least one software language.
• Experience with knowledge graphs, vector databases, or information retrieval systems.
• Familiarity with LLM integration patterns, prompt engineering, or agentic AI frameworks.

Responsibilities

• Design and build highly scalable distributed systems that capture, structure, and retrieve knowledge in real time across diverse data sources.
• Implement intelligent retrieval and ranking capabilities that match intent to relevant knowledge with sub-second latency.
• Create APIs and data models that enable AI systems to access structured memory across multiple contexts and domains.
• Develop and optimize pipelines for processing real-time event streams and batch data into durable, retrievable knowledge representations.
• Build systems that respect temporal decay, relevance boundaries, and access controls to keep knowledge current and appropriate.
• Collaborate with Applied Scientists to integrate knowledge extraction approaches into production infrastructure.
• Work on cross-domain knowledge reconciliation connecting insights across tools, teams, and workflows.
• Contribute to feedback loops that improve system value with every interaction.

Skills

Software development

Knowledge graphs / IR

LLM integration patterns

Education

Bachelor's degree in computer science

Tools

Vector databases

Information retrieval systems

Job description

Amazon is hiring a software engineer to design scalable distributed systems that capture and retrieve knowledge across diverse sources. You will implement intelligent retrieval, build APIs for memory access, and develop pipelines for real-time and batch data processing.

The role collaborates with Applied Scientists to integrate novel knowledge extraction methods, enabling cross-domain insights and rapid iteration on production infrastructure.