I agree with the previous thoughts regarding the option of hiring an offshore developer. This way you will have a good professional at a reasonable price and simultaneously retain the quality of your code. You can take a look at Ukraine first since it is becoming one of the best IT-outsourcing destinations.
I agree that Ukraine is one of the most reliable countries to outsource to, and there are a few reasons for that: well-developed IT market, low country rates, cultural similarities, time zone, visa-free country, NDA is signed, high level of spoken and written English, a wide range of high-qualified specialists, constant self-development, low taxes, etc. Read this article to learn more about these benefits of IT outsourcing in Ukraine:
https://www.cleveroad.com/blog/it-outsourcing-ukraine