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KodzghlyCZ/README.md

Karel Matějovský

Full-stack developer · Plzeň, Czech Republic

I build web applications end to end — from React frontends and Python APIs to Docker images and CI pipelines. Recently focused on AI chat integrations (Dify, streaming APIs) and practical developer tooling.

Open to junior and mid-level roles in full-stack, backend, or platform/integration work — remote or on-site in CZ.

Tech stack

Python TypeScript React FastAPI Docker GitLab CI

Also comfortable with: OIDC/Keycloak, REST & SSE, i18n, Linux, PHP, hardware/embedded side projects.

Featured projects

Spliffy — deployable AI chat app

Full-stack chat application with a React + TypeScript frontend and FastAPI backend.

  • Proxies the Dify Chat API (API keys stay server-side)
  • Optional Keycloak OIDC login
  • SSE streaming, i18n (EN/CS), dark mode
  • Multi-stage Docker build (~180 MB), GitLab CI → container registry

React TypeScript FastAPI Dify Keycloak Docker

bsqb + dify-bsqb-plugin — Brave Search tooling for LLM workflows

Python library that builds Brave Search queries from official documentation, plus a Dify plugin that exposes it to AI agents.

Python Dify Search APIs

python-yayaya — YAML config loader

Small Python package for typed YAML configuration with environment variable expansion. Published on PyPI and used in Spliffy.

Python PyPI

More work

Project What it is
cocktail-framework Lightweight PHP/JS microframework for web apps
cyber_ttl_python Python driver for n.e.t. CYBER TTL hardware
ssh2clockify Converts SSH login logs into Clockify-importable CSV
3dp_breakout 3D printer breakout board hardware sources

Background

  • GitHub since 2016; steady builder across web, Python, Linux, and hardware
  • Indie / contract work under Just Bucket Industries
  • Languages: Czech (native), English (professional)

Contact

Pinned Loading

  1. shacks shacks Public

    Modest set of commands I overly abuse shorted and aliased to something more memorable

    1

  2. cyber_ttl_python cyber_ttl_python Public

    Python package to interface n.e.t. CYBER TTL board

    Python

  3. python-yayaya python-yayaya Public

    Real simple Python YAML config module

    Python

  4. bsqb bsqb Public

    Brave search query builder based on official Brave search documentation

    Python

  5. dify-bsqb-plugin dify-bsqb-plugin Public

    Brave search query builder for Dify

    Python