Frontend

• HTML, CSS, JavaScript
• TypeScript
• React (used exclusively 16+, mainly "Hooks" API, also know basics working with class component API)
• Vue (2.7 mainly, but since pivoting to React, I became interested in Vue 3 too)
• next.js
• nuxt.js (to a lesser extent)
• CSS modules, TailwindCSS, styled components, styled JSX, vanilla CSS... even Bootstrap: use what fits best.
• Working with component libraries, UX-centric development process
• Respect and adapt to existing code conventions
• Webpack
• Vite, modern bundlers and their stack (ESBuild, swc)
• This site was generated using vike, an alternative to next.js

Backend / Full stack

Proficient

• Modern PHP
• Symfony PHP framework
• Relational databases: MySQL, Postgres
• Laravel PHP framework
• Node.js and full-stack TypeScript as well as "JAM-Stack"-approaches (such as this site).

Basic knowledge

• Apache
• Docker
• Read and write basic shell scripts
• NoSQL databases (MongoDB and others)

Basic knowledge from longer ago

• Java (at the time using Swing or JavaFX for GUI)
• Python
• C# and .NET

Developer's tools, CI

• git CLI and GUI
• Basic to intermediate skills using Unix/Linux shell
• Basic skills configuring cloud technologies and servers (no deep admin knowledge so far)
• Cloud deployment
• Can write and read basic shell scripts.
• Security-aware
• Basic knowledge about Gitlab CI
• Basic knowledge about Docker