I have 5 years of experience as a backend Python developer.My core competency lies in writing clean and efficient code.I have good experience using many open source projects: linux, git, mongodb, zmq, mysql, postgresql, nginx, apache, cython, lucene, re2, gevent, gunicorn, flask, django, web.py, scrapy, lxml, beautifulsoup, mechanize, jquery, angularjs, pyjs, socketio, zurb's foundation, etc.I also have some experience in C, C++, Java, PHP, GAE and AWS.