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Mitchell McCallum

Mitchell McCallum

Certified

Data Engineer

Beamdata | Ontario

Technologies

My Portfolio Highlights

My New Course

Introduction to APIs in Python

My New Course

Introduction to APIs in Python

Taking Terrabytes into Big Data to enable analytics teams to to reliably leverage insights at scale.

My Work

Take a look at my latest work.

course

MLOps Concepts

course

Introduction to APIs in Python

course

Intermediate SQL Server

course

MLOps Concepts

My Certifications

These are the industry credentials that I’ve earned.

Data Engineer

Data Engineer

DataCamp Course Completion

Take a look at all the courses I’ve completed on DataCamp.

Courses

Supervised Learning with scikit-learn
Introduction to PySpark
Introduction to APIs in Python
Introduction to Docker

My Work Experience

Where I've interned and worked during my career.

Beam Data | Nov 2024 - Present

Data Engineer

Cut storage costs by 25% through the implementation of vacuuming policies and migrating legacy Parquet files to Delta Lake with Z-ordering. Improved pipeline reliability to achieve 99.9% SLA uptime, reducing late data incidents by 40%. Decreased BI dashboard load times by 70% by implementing a Gold-layer Delta table with optimized file sizes. Optimized Spark shuffle partitions and implemented broadcast joins, resulting in a 50% reduction in cluster compute costs and ensuring daily reports met the 8 AM business SLA.
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My Education

Take a look at my formal education

Master's in FinanceSaint Mary's university | 2017
Bachelor of Commerce in EntrepreneurshipSaint Mary's University | 2015

About Me

Mitchell McCallum

A simple engineer looking to help companies continue to leverage data to revolutinoize the world. I love finding the most elegant solutions to ensure companies can regularly and reliably get the most out of their data.

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