Data engineer · ML & analytics

I build data systems that stay useful when the happy path breaks.

John Zargaryan is a data engineer focused on reliable pipelines, observable systems, and decisions backed by trustworthy data.

01 / Projects

Projects with the decisions, tradeoffs, and evidence left in.

02 / Experience

Building dependable data systems in real teams.

Amazon

Data Engineer Intern

Worked on financial data quality and anomaly-detection systems within AWS production engineering workflows.

May — Aug 2026Seattle, WA

HumanGood

Data Engineer Intern

Built and improved cloud data pipelines and automated ingestion workflows for internal reporting.

Jun — Sep 2025Duarte, CA

Tools I work with

PythonSQLPySparkAirflowAWSKafkaDockerdbtJavaScalaPyTorchKubernetes

Education

2026 — 2027

University of Southern California

MS in Applied Data Science · GPA 4.0

2023 — 2025

California State Polytechnic University, Pomona

BS in Economics · GPA 3.82

Certifications

AWS

Certified Cloud Practitioner

AWS

Data Engineer — Associate

Engineering is the craft. Clarity is the deliverable.

Based in Burbank, California, John brings together data engineering, applied data science, and economics to build systems that are reliable, understandable, and useful.