Gokulkumar B.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.

I’m a firmware developer experienced in design and development of firmware projects. - Experienced in firmware development for IoT gateways, focusing on Yocto and Linux BSP. - Proficient in IoT protocols (BLE, ZigBee, OpenThread, Matter) to meet client needs. - Developed Yocto layers, HCI interface for BLE communication, debug tools, and automation scripts. - Designed application layer command retry mechanism for ZigBee devices, optimizing communication reliability. - Implemented Avahi-discovery, BLE communication, and OpenThread upgrades for wireless cabin control systems. - Contributed to Matter protocol commissioning and communication, database management, and multicast communication for IoT solutions.