- Web development HTML + CSS + Javascript(JQuery) PHP, Laravel, Wordpress, Shopify, Magento MEAN, MERN(Node, Express, React, React Native, Angular, MongoDB) Vue, Flask, Django, Ruby on Rails Restful API(Django Rest Framework, Django Swagger) Payment Integration(Paypal, Stripe, Visa, Express, Wechat Pay) Google API(Google Sheet API, Google Drive API etc) - Bot development Chatbot(Rasa), Telegram Bot, Facebook Bot - Data Science and Artificial Intelligence Data Visualization, Data Analysis, Data Mining, Data Cleaning Machine Learning(Classification, Regression) Neural Network(CNN, RNN, RCNN, Hybrid ANN) - Linux Administration(Ubuntu, Fedora, Centos, Debian) - Cloud Service Hosting(Heroku, GoDaddy, Azure, AWS) Cloud Computing(AWS, GCP, Azure, Google Colab, Paperspace, Vast.ai)