Full-stack developer

Karel Matějovský

I build web applications end to end — React frontends, Python APIs, Docker deployments, and AI integrations that actually ship.

View projects GitHub
Plzeň, Czech Republic · GitHub since 2016

About

Tech stack

Languages & frameworks

  • Python
  • TypeScript
  • React
  • FastAPI
  • PHP
  • Dart / Flutter

AI & data

  • Dify
  • RAGFlow
  • LiteLLM
  • Langfuse
  • Ollama
  • MCP
  • SSE streaming

Platform & ops

  • Docker
  • GitLab CI
  • Kong
  • nginx
  • Keycloak / OIDC
  • Linux
  • Asterisk / SIP

Also comfortable with

  • REST APIs
  • i18n
  • Embedded C
  • Hardware design
  • Matrix / bots
  • Open WebUI

Featured projects

Open-source and first-party tools I've built and maintain.

Spliffy

Flagship

  • React
  • FastAPI
  • Dify
  • Keycloak
  • Docker
More projects & experiments
cocktail-framework cyber_ttl_python 3dp_breakout shacks stickerpicker eeefsb

Platform & infrastructure

AI & LLM platform

Gateway & identity

Telephony & voice AI

Observability & ops

Contact