I've worked with commercial projects. Here are some examples: https://kantongsayur.com/ (backend https://kantongsayur-backend.herokuapp.com/) (eCommerce)
https://aeroquote.com/ (aviation quotation)
https://gbiwtc-backend.herokuapp.com/ (Church Management)
https://app.tanimilenial.com/ (a SaaS)
https://myvivaldy.com/admin (Clinical app)
https://akuisisi.co/ (a SaaS)
https://client.peoplebond.id/admin (an HRIS application)
Technologies: Laravel/PHP
Vue/React/Flutter,
Go, Python/Django, Ruby on Rails, Javascript/NodeJS/NestJS,
AWS/Fly.io/Heroku, Docker-ready, Nomad/Kubernetes, Terraform,
Linux, C++/Rust ready, InertiaJS/Livewire, Salesforce/Apex, PostgreSQL, MySQL, MongoDB
email: sawir.ricardo[at]gmail.com
Github: https://github.com/sawirricardo