Chieh-An Chang
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Chieh-An (Andy) Chang

Data Science & Data Engineering co-op candidate building analytics pipelines, machine learning models, and AI applications from messy data to deployable systems.

Credentials

Competition results and certification signals.

A focused record of competitive data work and formal AI learning signals that complement the project case studies.

Subsection 1

Competition

GenAI Genesis 2026

UTMIST & Google Developer GroupMar 2026
  • Built under a generative AI hackathon setting focused on turning AI system ideas into working prototypes.

AI & Data Science for Good Hackathon

Waterloo.AIMar 2026
  • Participated in an applied AI and data science competition focused on socially useful analytics and AI workflows.

Statistical Modelling (Supervised Learning)

University of Toronto Kaggle competitionNov 2024 - Dec 2024
  • Ranked 6th out of 59 teams with a 0.39 RMSE by using XGBoost, CatBoost, and deep learning across 100 features.

Subsection 2

Certification

AWS Certified Cloud Practitioner

Amazon Web Services (AWS)Expected Jun 2026
  • Cloud fundamentals credential currently planned for completion.

Databricks Certified Data Engineer Associate

DatabricksExpected May 2026
  • Data engineering credential aligned with Databricks, Lakehouse, and ETL workflows.

SQL (Advanced, Intermediate, Basic)

HackerRankIssued Nov 2025
  • Validated SQL query skills across basic, intermediate, and advanced levels.

Python for Data Science, AI & Development

IBMIssued Jul 2025
  • Completed Python training focused on data science, AI, and development workflows.