I will clean, analyze and visualize your data using python, sql and machine learning

China

I speak English, Chinese

Data Analyst

I am a data professional with experience in building inventory management data warehouses and conducting research on electric vehicle battery life prediction. I am proficient in Python, Java, and SQL,...
About this Gig

Do you have messy data, or need a predictive model built but don't know where to start? I can help.


I'm a data professional with hands-on experience in data warehousing, Python programming, and machine learning including real-world projects in inventory analytics and deep learning-based prediction models.


What I can do for you:

- Clean and preprocess raw/messy data (Excel, CSV, SQL databases)

- Perform exploratory data analysis (EDA) and generate clear visualizations

- Build machine learning / deep learning models (CNN, LSTM, GRU, Attention-based models) for classification, prediction, or time-series tasks

- Design and optimize SQL queries and data pipelines

- Build simple data dashboards and summary reports

- Text classification and sentiment analysis (NLP)


Why work with me:

Strong foundation in Python, SQL, and Java

Practical experience with Hadoop, Hive, Spark, and data warehouse architecture

Skilled with Pandas, Matplotlib, TensorFlow, and PyTorch

Detail-oriented, deadline-driven, and communicative throughout the project

Delivered real business impact e.g., improved data retrieval efficiency by 70%, reduced reporting delays significantly

Technology:

Apache Hadoop

Excel

Java

MATLAB

Python

PowerShell

Expertise:

ETL

SQL