popraf / popraf

Hi there 👋

Love to learn. Passionate about the Data Science. Usually I try to understand how things work. 🔭

I am actively seeking job opportunities.

🔮 Web3 Projects:

• XAM | ERC-20 Token | Solidity, Python, Web3 py
• Izanagi DAO | DAO Smart contract and fully functional front-end | Solidity, JavaScript, Next.js

🌱 Projects:

• JS TF Demo | Localizes and identifies multiple objects in video stream on client side (react-webcam) | React, TensorflowJS
• Brain MRI Segmentation | Brain tumor segmentation notebook using UNet as backbone | Tensorflow, Keras, CV2
• Domain Classifier | Classify malicious domains based on 3rd party data | XGBoost, Optuna
• improved-ecomm | Customized ecommerce store application built with Django REST Framework, React js, Redux and Docker
• Thumbnails API | Easy to manage, asynchronous images processing API built with Django REST, Redis, Celery, Postgres, Docker

🤖 Kaggle:

Regression Problems

• Tabular Playground Series - Jan 2022 | Placed 53/1591 | Time series tabular dataset. The task was to predict a full year worth of sales for three items at two stores located in three different countries. | Used LGBMRegressor, XGBRegressor, CatBoostRegressor ensembled
• G-Research Crypto Forecasting | Forecast short term returns in 14 popular cryptocurrencies. | Experimented with a various models - XGBoost, LGBM

Classification Problems

• Tabular Playground Series - Aug 2022 | Placed 874/1591 | Tabular dataset. The task was to predict product launch failures. | Used XGBoost, Shuffle & Split CV and Optuna for hyperparameters optimalization | Kaggle Notebook
• Tabular Playground Series - May 2022 | Placed 205/1151 | Tabular dataset. Binary classification problem that includes a number of different feature interactions | Achieved best results with DNN, PyTorch implementation | Kaggle Notebook

Computer Vision

• UW-Madison GI Tract Image Segmentation | Task was to automatically segment the stomach and intestines on MRI scans. | Used pyTorch and 2.5D MONAI approach with UNet
• Google Universal Image Embedding | Task was to retrieve relevant database images to a given query image. | Used pyTorch, OpenAI clip, timm - blended timm with a clip model

Natural Language Processing

• Jigsaw Rate Severity of Toxic Comments | Task was to score toxicity of a set of about fourteen thousand comments. | Used sklearn, nltk and ridge (a simple linear regression algorithm) to reduce overfitting
• Fake news detection | Explored a deep learning approach in fake news detection using BERT and RoBERTa | pyTorch, huggingface transformer | Kaggle Notebook
• Feedback Prize - English Language Learning | Task was to assess the language proficiency of 8th-12th grade English Language Learners