Zephyr & LVGL C Dev Needed for Smartwatch

Zephyr and LVGL developer: build 5 navigation models for a smartwatch OS We build MintWatch, a 454x454 round AMOLED watch running our own OS. The firmware is Zephyr with LVGL, written in C, and it builds... (Budget: $750 - $1500 USD, Jobs: C Programming, Embedded Systems, Firmware Development, Programming, RTOS Development (FreeRTOS / Zephyr), Software Development, Software Engineering, UI / User Interface, User Interface / IA)