Amazon Software Engineer II Customer eXperience Impressions CXI 

United States, Washington, Bellevue 

233127278

Key job responsibilities
Beyond model integration, this role requires expertise in real-time inference optimization and distributed model serving. The engineer will optimize feature stores, build online learning mechanisms, and design architectures that adapt intervention strategies dynamically based on observed outcomes. They will also develop causal inference frameworks to quantify the true impact of delayed or missed interventions, to ensure the system learns from past decisions to improve future accuracy.This is a highly visible role and will require regular interaction and communication with senior leaders. Excellent written and verbal communication skills is important.

- Experience programming with at least one software programming language
- 3+ years of non-internship professional software development experience
- 2+ years of non-internship design or architecture (design patterns, reliability and scaling) of new and existing systems experience

- Experience in machine learning, data mining, information retrieval, statistics or natural language processing
- 3+ years of full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations experience
- Experience with full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations
- Bachelor's degree in computer science or equivalent