It's because of the tax holiday Costa Rica is giving [0][1][2], and VMWare's acquisition by Broadcom (they had a massive engineering campus in San Jose, Costa Rica) leaving a lot of Support Engineers and C++ Engineers on the market.

Czechia, Romania, and Poland did the same thing in the 2010s, Israel and India in the 2000s, and Taiwan and South Korea (in electronics) in the 1990s.

[0] - https://www.thegreenparkfz.com/

[1] - https://afz.cr/v5/en_us/about-us/

[2] - https://www.procomer.com/wp-content/uploads/Guia-Zonas-Franc...