Require a programmer to participate in app building

We build an app Require a programmer Who can get instructions for building a class / library So that we can add it to our system Two documents are attached The first requires knowledge in databases, network and PHP (and payment for this grade is $ 80) And the second requires knowledge of positions and maps, contains instructions for two classes ($ 25 per person - $ 50 total) Anyone interested - please indicate whether they are submitting a proposal for the first or second document or both Applications without details will not be answered