Senior Applied Scientist, Alexa Availability & AI Ops

Amazon; Sunnyvale (CA); On-site; USD 192,000 - 260,000; Full time

Job summary

Amazon's Alexa Excellence AI Ops team in Sunnyvale is seeking a Senior Applied Scientist to advance machine learning models powering Alexa availability at scale. You will tackle time-series modeling, anomaly detection, and LLM-based operational intelligence to improve reliability for hundreds of millions of customers.

You will design production-grade ML systems, establish evaluation frameworks, and mentor peers while partnering with engineers, product managers, and operators to translate

Qualifications

• Minimum 3+ years building ML models for business use.
• PhD or MSc with 6+ years applied research.
• Proficient in Java, C++, Python.

Responsibilities

• Lead research and development of ML/statistical models for Alexa availability.
• Design production-grade ML solutions with robust evaluation.
• Collaborate with engineers and product teams to deploy models at scale.

Skills

ML model development

Deep learning

Programming languages

Education

Advanced degree

Tools

R

Spark MLLib

TensorFlow

MxNet

NumPy

SciPy

Job description

Amazon's Alexa Excellence AI Ops team in Sunnyvale is seeking a Senior Applied Scientist to advance machine learning models powering Alexa availability at scale. You will tackle time-series modeling, anomaly detection, and LLM-based operational intelligence to improve reliability for hundreds of millions of customers.

You will design production-grade ML systems, establish evaluation frameworks, and mentor peers while partnering with engineers, product managers, and operators to translate