Data Scientist vs Data Analyst vs ML Engineer

Summary

A Data Analyst answers business questions with existing data, a Data Scientist builds predictive models to answer harder questions, and an ML Engineer productionizes those models to run reliably at scale.

• 1Compare 3 job descriptions across these titles and note overlapping and distinct skills.
• 2Learn why ML Engineers care more about latency and uptime than statistical nuance.
• 3Understand these roles blur heavily at smaller companies, where one person covers all three.