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Timothy K.
Melbourne, Australia
43% Job Success

Ph.D Data Scientist | Machine Learning| Python | NLP Specialist

Highly motivated and results-oriented Data Scientist with a deep passion for unlocking insights from data. I possess extensive expertise in Machine Learning algorithms, Natural Language Processing (NLP) techniques, and Python programming. Proven ability to design, develop, and deploy data-driven solutions that solve complex business problems and drive measurable impact. My experience lies in leveraging NLP for tasks like text analysis, text summarization, and building interactive chatbots. Additionally, I've developed systems to reduce customer churn. Some highlights of my project portfolio include: - Developing a financial product recommendation system for a bank by analyzing user and product history data with the Wide&Deep model, resulting in a 5% increase in user click-through rates and a 7% increase in product trades within a month. - Achieving a 72% accuracy in predicting product prices based on city-wise pricing and product features, serving as a valuable reference for companies. - Constructing a nearby products recommender system using LightGBM, leading to a 3% increase in order volume. - Employing LSTM models for time series prediction, enabling accurate forecasting of future values. - Undertaking various Spark tasks involving RDD, UDF, DataFrame, Map, MapPartitions, etc. My skill set encompasses: - Python: Pandas, Numpy, Scikit-Learn, Tensorflow, Keras, OpenCV, Matplotlib, Seaborn, etc. - Big Data: Pyspark, Hive, Scala - Machine Learning: Random Forest, Xgboost, LightGBM, Catboost, LR, Kmeans, etc. - Deep Learning: GAN, RNN, LSTM, Wide&Deep, DIN, YOLO, etc. - Data Analysis - Power BI - SQL - Linux Shell - Git
Work history
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Skills

Skills

  • Machine Vision
  • NLP Tokenization
  • Machine Learning Model
  • Keras
  • TensorFlow
  • Visualization
  • Data Tokenization
  • Gradient Boosting
  • Neural Network
  • Random Forest

Get started working with Timothy quickly with these predefined projects.

Get started working with Timothy quickly with these predefined projects.

You will get complete NLP project, Classification, Sentiment and Text Analysis

From $60
2 days delivery

Testimonials

Endorsements from past clients

"Timothy is a reliable professional freelancer, having worked jointly with him on a number of projects. I'd therefore not hesitate to recommend him. "

Samuel K.
Lead Virtual Assistance Jul 2020

Verified

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