Issac, CK Tai

Data Scientist | Data Engineer | Cloud Platforms Certified

About Me

Certified AI & Data Scientist specializing in cloud-native machine learning and end-to-end data ecosystems.
Committed to bridging the gap between raw data and production-grade solutions to deliver actionable intelligence and high-performance software.

About Issac CK Tai

Technical Skills

AI & Generative AI
RAG LangChain Gemini OpenAI PyTorch Hugging Face TensorFlow Keras Prompt Engineering Vector DB
Cloud & MLOps
Azure Databricks/ML MLflow Google Vertex AI Amazon SageMaker Microsoft Fabric
Data Engineering & Architecture
Apache Spark Apache Airflow BigQuery Relational DB NoSQL DB
Automation & Infrastructure
Docker Kubernetes Git/GitHub n8n Apify UiPath REST APIs Shell Scripting
Software & Mobile Development
Python JavaScript (React, Node.js) Dart (Flutter) C++ R MATLAB Vibe Coding
Data Visualization
Tableau Power BI Looker

Portfolio Showcase

Hong Kong Jetso Tracker
Hong Kong Jetso Tracker
Launched a Flutter app for searching categorized discounts offered by Hong Kong merchants, with data collected via web scraping and data extraction.
Gemini Prompt Engineering n8n Apify Python JavaScript (React, Node.js) Dart (Flutter) Vibe Coding
Secondary School Learner
Secondary School Learner Demo
Built a web app about generating MC quizzes and teacher-style feedback for secondary school students using Google Gemini.
Gemini Prompt Engineering JavaScript (React, Node.js) Vibe Coding
Melisma
Melisma AI Music Screenshot
Improved quality of PyTorch diffusion model by removing artifacts of AI-generated music.
PyTorch Python
Kaggle Kaggle
Kaggle Competitions
Participated code competitions involving common AL/ML applications like classification, prompt engineering and fine-tuning of LLM models.
PyTorch TensorFlow Hugging Face Prompt Engineering Python
Tableau Public Tableau
Tableau Public Dashboard
Designed and published publicly available interactive dashboards for business intelligence.
Tableau
Hugging Face Hugging Face
Hugging Face Models
Hosted models with fine-tuning using pre-trained models for common AI/ML tasks.
Hugging Face Python

Career Experience

Jan 2025 — Mar 2025
(Freelance) Freelance Data Scientist
KAGURA Music Pub. (Japan)
PyTorch REST APIs Git/GitHub Python
Jul 2020 — Jul 2024
Quantitative Analyst
Sapiens Technologies Ltd
TensorFlow Google Vertex AI JavaScript (React, Node.js) REST APIs Docker Git/GitHub Shell Scripting Python C++
Jan 2015 — Jun 2020
Software Developer Associate
Cash Algo Finance Group Ltd
REST APIs Git/GitHub Shell Scripting Python C++ Relational DB Power BI
Aug 2010 — Dec 2014
Research Analyst
Cash Dynamic Opportunities Investment Ltd
C++ Relational DB R

Professional Qualifications

Certifications
Oct 2025
Microsoft Certified: Azure Data Scientist Associate
Azure Databricks/ML MLflow Python
Jun 2025
Microsoft Certified: Fabric Data Engineer Associate
Microsoft Fabric Apache Spark Relational DB
Apr 2025
AWS Certified Machine Learning Engineer - Associate
Amazon SageMaker Apache Spark Docker
Coursera Professional Certificates
Feb 2026
IBM iOS and Android Mobile App Developer
Git/GitHub REST APIs Python JavaScript (React, Node.js) Dart (Flutter) Vibe Coding
Nov 2025
IBM Data Engineering
Apache Spark Apache Airflow Relational DB NoSQL DB Docker Kubernetes REST APIs Shell Scripting Python Looker
Sep 2025
IBM RAG and Agentic AI
RAG LangChain OpenAI Prompt Engineering Vector DB NoSQL DB
Aug 2025
Google Advanced Data Analytics
Python Tableau
May 2025
Google Data Analytics
Python R Tableau
Coursera Specialization Courses
Jan 2026
Robotic Process Automation by UiPath
UiPath
May 2025
Data Visualization with Tableau by UC Davis
Tableau
Certificates
Apr 2025
Google Cloud Data Analytics Certificate
Google Vertex AI BigQuery Relational DB Looker
Degrees
Aug 2008 — Jul 2010
M. Phil., Mathematics
The Chinese University of Hong Kong
MATLAB
Aug 2005 — Jul 2008
B. Sc., Mathematics
The Chinese University of Hong Kong
C++ R MATLAB

More qualifications at Credly Credly, Google Skills Google Cloud and Microsoft Learn Microsoft Learn.

Contact

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