Looking for a firmware developer

Job ID: 33497541

Budget: $30 – $250 USD

I am looking for a firmware developer who is familiar with Particle Argon (https://docs.particle.io/argon)
Basically, I need help with a sketch that communicates between Particle Argon and a custom board via UART. Please check the attachment.
Key items will be:
(i) reading the state
(ii) turn on/off
(iii) get receiver type, if charging in charging state
(iv) get charging power, if charging in charging state