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Data Scientist vs Machine Learning Engineer: Salary, Skills & Career Path Compared

Side-by-Side Comparison

FactorData ScientistMachine Learning Engineer
Entry Salary$72,000$105,000
Senior Salary$260,000$350,000
CategoryTechnologyTechnology
Key SkillsPython, SQL, RPython, PyTorch, TensorFlow
EducationMaster's or PhD in Statistics, Computer Science, Mathematics, or Economics preferredMaster's or PhD in Computer Science, AI, Statistics, or Mathematics
Top CertificationGoogle Professional Data EngineerAWS Certified Machine Learning – Specialty

Data Scientist Path

Junior Data Scientist / Data Analyst$72,000
Data Scientist$108,000
Senior Data Scientist$155,000
Staff Data Scientist / Manager, Data Science$195,000
Director of Data Science / Chief Data Officer$260,000

Machine Learning Engineer Path

Junior ML Engineer$105,000
Machine Learning Engineer$158,000
Senior ML Engineer$210,000
Staff ML Engineer / ML Manager$260,000
Principal ML Engineer / Head of ML$350,000

Day in the Life: Data Scientist

Data scientists typically split their time between exploratory analysis, building and validating models, and translating findings into actionable business recommendations. A significant portion of the role — often underestimated — involves cleaning data, aligning with stakeholders on the right question to ask, and presenting results to non-technical audiences.

Day in the Life: Machine Learning Engineer

ML engineers typically work at the boundary between research and production — translating experimental models into scalable, monitored systems that run continuously. Daily work includes coding training pipelines, debugging data issues, running experiments, and collaborating with research scientists on model improvements.

Data Scientist Outlook

The BLS projects 35% growth for data scientists through 2032, adding roughly 17,000 positions annually. Demand is strongest in tech, financial services, and healthcare analytics, with the generative AI wave creating new roles at the intersection of data science and LLM fine-tuning.

Machine Learning Engineer Outlook

ML engineering headcount has exploded since 2022, with the BLS projecting 40% growth in related roles through 2032. Competition for senior ML engineers capable of both research and production systems is particularly intense among AI labs, big tech, and well-funded startups.

Related Career Resources

📖Data Scientist Career Guide📖Machine Learning Engineer Career Guide💵Data Scientist Salary💵Machine Learning Engineer Salary📋Job Offer Comparison🤝Salary Negotiation