Nest.jsModern , sustainable back-end framework for javascript. Large apps is easy with it
Angular2+
Front-end framework for complex apps and enterprice used a lot in my career
Vue.js
Simple front-end framework for small/medium apps and startups.
Postgres
Ths most advanced relational database in the world. Love to use it.
Typescript
Better js) Use it everywhere instead of pure javascript. Just standard since 2020
Firebase
Complex solution for back-end less apps(write apps without back-end). If u can hire only 1 engineer, hire front-end with knowledge of firebase
Docker/Linux
I use docker to deploy my back-end apps.
UX/UI
Love all things that linked with app development and it in general. So I not only a programmer, I can design apps too. (this site designed by me)
CI/CD
Continues integrations and continues delivery is a major part of my workflow. Commonly use github-actions but can use other tools