Caio Tiago O.Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.

Experienced System Administrator and programmer, working with PHP, Clojure and Node.js. Past experience in C and Ruby on Rails. Already contributed code to Mozilla (C++ and Javascript), OpenOffice.org (C++) and with former Rails and C jobs. I have experience as a System Administrator and Network Administrator, with Kubernetes knowledge. I have ministered some intermediary and advanced courses on C programming. I have years of experience developing for Linux, including driver development. I can work easily on big C and C++ code bases written for Linux, using autotools (Makefile.am, configure.in), cmake, simple makefiles, among others. Also contributed with QA on both Mozilla and OpenOffice.org. Former QA co-leader of OOo.