Martin Y.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.

Hello everyone, I have worked as professional software developer for more than 20 years and have good experiences in: -Asterisk, FreePBX, Vicidial -FreeSwitch, FusionPBX -Kamailio, OpenSIPs -JavaScript, React, Vue, Node.js and HTML/CSS, -WebRTC -PHP/Laravel, MySQL -Linux System Administration -c/c++, rust I'm always working in a friendly environment so that we can make long term business relationship. I feel honored to have a continuously growing list of happy clients with positive feedback on my work.