Profile Details

Create Project

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USD 150 /hr

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Hire Dr. Alina S.

Mexico

USD 150 /hr

Data Scientist & Analyst

Profile Summary

Data Scientist with a PhD in Applied Mathematics and experience applying machine learning and generative AI to real-world, large-scale problems across e-commerce, health, and social impact domains. Skilled in building end-to-end data and ML pipelines, from data extraction and modeling to evaluation and production deployment, including work with LLMs, classical ML models, and cloud-based data platforms. Known for translating complex data into actionable insights and collaborating closely with cross-functional teams to deliver measurable product and business impact.

Subject Matter Expertise

• ☆ Biostatistics
• ☆ Data Collection
• ☆ Applied Mathematics
• ☆ Mathematical Models
• ☆ Mathematical Optimization
• ☆ Mathematics Education
• ☆ Mathematical Physics
• ☆ Differential Equations
• ☆ Chaos Theory
• ☆ Group Theory
• ☆ Stochastic Processes
• ☆ Pure Mathematics
• ☆ Calculus
• ☆ Mathematical Analysis
• ☆ Decision Science
• ☆ Information Retrieval
• ☆ Data Storage

Services

• Writing
• Research
• Consulting
• Data & AI

Writing Technical Writing

Research Scientific and Technical Research, Systematic Literature Review

Consulting Business Strategy Consulting, Digital Strategy Consulting, Scientific and Technical Consulting

Data & AI Predictive Modeling, Statistical Analysis, Image Analysis, Algorithm Design-Non ML, Algorithm Design-ML, Data Visualization, Big Data Analytics, Text Mining & Analytics, Data Mining

Work Experience

Senior Data Scientist (Contractor)

WALMART GLOBAL TECH

February 2025 - February 2026

Education

Doctor of Philosophy (Ph.D)

CIMAT

September 2016 - December 2020

Certifications

• Certification details not provided.