📊 Data Science & Analytics
- Pandas, NumPy, Matplotlib, Seaborn, Plotly
- Scikit-learn, XGBoost, LightGBM, Statsmodels
- Data wrangling, feature engineering, statistical testing
- Time series analysis, forecasting, clustering & classification
- Experiment design (A/B testing), BI reporting
🤖 Automation & Scripting
- Web scraping: Selenium, BeautifulSoup, Scrapy
- Task automation, file parsing, data ETL pipelines
- PDF & Excel automation, API integrations, email scripting
🧮 Scientific Computing & Optimization
- SymPy, SciPy, PuLP, CVXPY
- Linear algebra, numerical methods, symbolic computation
- Optimization problems (LP, QP), simulations
☁️ DevOps & Cloud Deployment
- Docker, Docker Compose, NGINX, Git, CI/CD pipelines
- AWS (EC2, S3, Lambda, RDS), Heroku, Vercel
- Linux shell scripting, environment management (venv, conda)