JunHao Ho, Data Scientist | AI Engineer

About

I am a Data Scientist and AI Engineer with over 5 years of experience in designing and implementing ML models, NLP applications, and chatbots. I am proficient in programming languages like Python, Java, Scala, and R, as well as technologies like TensorFlow, PyTorch, Keras, NLTK, and spaCy. I am a passion for staying up to date with the latest advancements in AI and using technology to solve real-world problems.

Experience

Grab

Jan 2021 – May 2023

Remote

Data Scientist | AI Engineer

Designed and implemented machine learning models to predict customer churn, optimizing model accuracy by 10% through feature engineering and hyperparameter tuning, resulting in $2 million in additional revenue per year. Developed NLP applications for sentiment analysis, topic modeling, and entity recognition using tools such as NLTK and spaCy, increasing customer engagement by 25%. Created chatbots for customer service and sales using Dialogflow and the Google Cloud Platform, resulting in a 20% increase in customer engagement and reducing customer service response times by 50%. Built and maintained databases using SQL and NoSQL technologies such as MySQL and MongoDB, enabling efficient data storage and analysis of large datasets (>1TB). Managed big data using Hadoop and Spark, performing data cleaning, transformation, and analysis on large datasets, resulting in $1 million in cost savings.

Hysan Development

Jun 2018 – Dec 2020

Hong Kong

Data Scientist

Designed and implemented predictive models for customer behavior using machine learning techniques, achieving a 90% accuracy rate. Analyzed large datasets using SQL and NoSQL databases such as MySQL and MongoDB, generating insights that led to a 10% increase in revenue. Developed NLP applications for sentiment analysis and entity recognition, reducing manual analysis time by 80%.

A.S. Watson Group

Jun 2016 – May 2018

Hong Kong

Data Analyst

Generated reports using SQL queries and Excel, analyzing and summarizing data on customer demographics and sales trends, resulting in a 15% improvement in marketing campaign effectiveness. Designed and developed visualization dashboards in Tableau, presenting actionable insights to management, leading to a 25% reduction in costs. Collaborated with marketing and sales teams to optimize advertising campaigns, resulting in a 15% increase in sales revenue.

Education

The Chinese University of Hong Kong

Aug 2012 – May 2016

Bachelor of Science, Computer Science

JunHao Ho

Data Scientist | AI Engineer

Skills

Languages