I use python for data analysis and freelance as a front-end web developer.
Q&A for professional and enthusiast programmers
Q&A for people interested in improving and participating in the patent system
Q&A for users of TeX, LaTeX, ConTeXt, and related typesetting systems
Q&A for user experience researchers and experts
Q&A for meta-discussion of the Stack Exchange family of Q&A websites
Q&A for people interested in statistics, machine learning, data analysis, data mining, and data visualization