I am applying for 4 hour job with option to work more, when needed (4-6 hours per day, sometimes 8 hours). I producing better code and I still working faster th

I am applying for 4 hour job with option to work more, when needed (4-6 hours per day, sometimes 8 hours). I producing better code and I still working faster than others (moreover, our customers prefers my code), so I have 2x higher rate, so my salary is a bit higher, not lower.