I would also not download any code on comps needed/used for important things. Use a 'garbage'/'test' comp. Long distance programming relationships can sour pretty quickly.
This is an e-mail list for TWS programmers: https://groups.io/g/twsapi This is probably your best bet for finding a developer for your project. As most posters stated in this thread, it is highly likely that you have to substantially increase your pay rate in order to attract any developers from the 'TWSAPI' group.
Yeah hate to say it but some dude from a 3rd world country for a few hundred bucks isn't going to be able to help much IMO.