Sam Zakalik
Founder And CTO at Allref
United States
Summary
👤
Senior🎓
Top SchoolSam Zakalik is a Founder and CTO who builds and operates decision-grade data products, drawing on a decade of hands-on experience in distributed systems, data engineering, and machine learning. He has progressed from pricing and risk analytics at Fidelity to data engineering roles at Orchard and Kabbage, and then into ML engineering and senior ML roles at Govini and Orum before founding Allref. Sam excels at turning messy, high-volume data into reliable production models and pipelines that support real-time decisioning. His background combines product-focused engineering with applied ML, making him comfortable both shipping infrastructure and tuning models in production. Based in the United States, he blends startup grit with institutional analytics rigor and a knack for simplifying complex data workflows. An operator-founder mindset suggests he not only architects systems but also leads their day-to-day reliability and evolution.
10 years of coding experience
9 years of employment as a software developer
Bachelor of Arts (B.A.), Bachelor of Arts (B.A.) at University at Buffalo
Github Skills (47)
async9
compile-time9
amazon-web-services9
compile9
cloudwatch9
sqlite8
rust8
sql8
aws8
launch-template8
dsl8
mysql8
postgresql8
mariadb7
autoscaling7
Programming languages (5)
Github contributions (5)
zaksamalik/pyspark-utilities
May 2019 - Oct 2019
ETL utilities library for PySpark
Contributions:62 commits, 12 PRs, 33 pushes in 4 months
pythonsparketlutilities-librarypyspark
allref/terraform-aws-ecs-web-app
May 2023 - Dec 2024
Terraform module that implements a web app on ECS and supports autoscaling, CI/CD, monitoring, ALB integration, and much more.
Contributions:2 PRs, 7 pushes, 6 branches in 1 year 7 months
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