Start with UpWork.com I use this to get side jobs that last ususaly 1 - 6 months
other sites that i have come across either here or elsewhere
https://30hourjobs.com/
Other links from HAcker News https://news.ycombinator.com/item?id=17081900
https://news.ycombinator.com/item?id=17987421
https://news.ycombinator.com/item?id=17569294
https://news.ycombinator.com/item?id=17022563
Best Wishes to y9ou and your loved ones