expert:
  - Go
  - JavaScript
  - TypeScript
  - Dart
  - Protobufs
strong:
  - Python
  - Objective-C
  - Swift
  - Kotlin
  - Java
  - C#
  - SQL
  - HTML/CSS
  - Makefile
familiar:
  - C
  - C++
  - Rust
  - PHP
  - Ruby
  - Perl
  - MATLAB
  - R
  - Lua
  - Zig