It means the same thing it means in every context. I am having trouble reconciling your self-reported English level of the highest level with such basic questions about English.

Answer has been published, if you don't agree with it, blame the voters. Cutting back on perks may seem like a smart business move—until developers start leaving the company.

Really, in this sentence it means for the developers to work at their best. In other words, the question is asking if developers need free perks to do the best job that they can.

'Developers' implies that it is related to some sort of business. If a business thrives, it makes money, and grows.