Joshua Andreychuk
Data Scientist | Machine Learning Engineer | MBA | MS | Stanford University School of Engineering | Indiana University - Kelley School of Business | AWS Certified Machine Learning Engineer
- Role
- Data Scientist Ml Engineer at EchoStar Corporation
- Location
- Denver, CO, US
- LinkedIn followers
- 500 followers
About Joshua Andreychuk
I build production AI systems that combine machine learning, LLMs, and agentic…
Experience
Data Scientist Ml Engineer
Jan 2025 — Present
Achievements• PyTorch Forecasting Pipeline: Deployed a PyTorch-based deep learning forecasting pipeline—achieving 96.7% test-set accuracy (MAPE)—and leveraged SHAP to surface key feature importances for strategic planning. • Supply Chain Simulation & Optimization: Built a hybrid machine-learning and Monte Carlo simulation-based newsvendor optimization algorithm to forecast demand, simulate lost sales, and optimize weekly shipment policies—achieving a 98.6% service level.Responsibilities• Engineer and implement end-to-end machine learning pipelines primarily using Python. • Conduct comprehensive data science lifecycle processes including data wrangling, feature engineering, model evaluation, and deployment. • Execute SQL queries and ETL processes using Snowflake for data preparation. • Perform advanced analytics using Python, leveraging the Snowpark connector for seamless integration with Snowflake. • Apply advanced statistical techniques including causal inference and time series forecasting. • Collaborate with cross-functional teams to deliver actionable insights and strategic recommendations. • Collaborate in Agile/Scrum ceremonies (daily stand-ups, sprint planning, retrospectives) to drive iterative model development.
Education
Central Washington University
Bachelor of Science - BS, Economics
2015
Indiana University - Kelley School of Business
Master of Science - MS, Buisness Analytics
2024
Central Washington University
Bachelor of Science - BS, Finance
2015
Stanford University School of Engineering
Artificial Intelligence Professional Program
2025
Indiana University - Kelley School of Business
Master of Business Administration - MBA, Digital Technology Management
2024
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