Please tell me how and where to find a developer (programmer) sites.
Better - on the recommendations of your acquaintances, whose opinion you trust.
Otherwise freelance marketplaces (cheaper than studios).
Or web Studio in your city.
And most importantly how to control it?
If he is not a specialist and consider unprofitable to pay for a separate controller, that visually.
Just to agree that he demonstrated visually meaningful results, say, every other day.
This project is being developed for the construction industry, in particular for the production and technical Department (TVET).
Objectives of the project:
Are you already explain the specific professionals who hire.
For me it is a common task.