It needs to be noted that general income level depends on several factors such as particular industry, location, type of employment, and seniority level. According to our research, specialists of Mid seniority who worked remotely with PHP on B2B in the first quarter of 2021 were making between 11k-16k PLN net (+VAT) per month on average. One may note that backend specialists' income (including PHP) is subject to constant increase.