Design, development in C/C++, perl, java, android Java, android ndk jni, javascript, opengl, lua, Php, and many more, from various assembler languages, to various flavors of prolog. Decades of experience; working websites; published android apps.
I specialize in rapid prototyping; text processing, text mining, high-performance specialized systems, servers, client-server programming, "concept" -based systems, web scraping, custom web bots, (focused) crawlers and spiders.