Data Engineer II, Alexa AI - ML Engineering
Core
Design and own large-scale data pipelines that turn raw customer-interaction signals into context and features for personalization and proactive-agent models.
Role type
Senior IC data engineer (AWS big data)
Builds
ETL/ELT pipelines processing billions of records daily
Domain
Consumer AI / Personalization
Deliverable
production ML models
Required skills
Data modeling, warehousing, ETL pipeline design, SQL, AWS big-data services, distributed compute, operational health management
Preferred skills
Non-relational databases, object storage, document stores, key-value stores, graph databases, column-family databases
Technologies
AWS Glue, EMR, Kinesis, Redshift, DynamoDB, S3, FireHose, Lambda, IAM
Responsibilities
Partner with SDEs to define data strategy and architecture; build and operate pipelines ingesting billions of records; own operational health including migrations and schema updates; partner with scientists to define data contracts and feature pipelines; optimize production pipelines and manage deployments; establish best practices for data modeling and pipeline design