Mateusz OzimkiewiczMateuszFull-Stack Developer

Full-Stack Developer

I build safety-first AI applications and developer tools.

I use React, TypeScript, FastAPI and an AI-native development workflow to turn documented ideas into clear, testable products.

React · TypeScript · FastAPI · Astro · AI Tools

Available now · Poland / Remote · B2B · Freelance · Contract

View Projects GitHub

$ portfolio.status

process
AI Agent Workspace
platform
MellyCore AIOS
product
MellyTrade

$ safety.check

read_only
true
dry_run
true
broker_execution
blocked
fake_metrics
prohibited

01 · Process

AI Agent Workspace

An agent-based workflow across ChatGPT, Claude Code, Codex, Obsidian, GitHub and ClickUp — how the work actually gets done.

02 · Platform

MellyCore AIOS

A context graph and agent-handoff command center that turns process into a reusable platform. Docs-first prototype and static architecture showcase.

03 · Product

MellyTrade

A safe, read-only AI trading research dashboard — advisory only, dry-run, no broker execution. A static portfolio case study.

Selected work

Three layers, one system

All projects
Process01

AI Agent Workspace

Documented multi-agent workflow

A structured workflow connecting ChatGPT, Claude Code, Codex, Obsidian and GitHub through reusable context, task contracts and review gates.

  • ChatGPT
  • Claude Code
  • Codex
  • Obsidian
  • GitHub
View case study
Platform02

MellyCore AIOS

AI command center & context graph

A docs-first prototype for context, agents and handoffs, presented as a static architecture model and portfolio showcase.

  • Context graph
  • Agent handoff
  • React
  • TypeScript
View case study
Product03

MellyTrade

Safe AI trading terminal

A safety-first AI trading research dashboard. Read-only, dry-run and advisory, with broker execution blocked by design.

  • FastAPI
  • React
  • TypeScript
  • Read-only
  • Dry-run
View case study
Cinematic showcase · /projects/aios

The AI command center
behind the work

MellyCore AIOS is a docs-first prototype of an AI command center — context, agents and handoffs mapped into a single graph. A cinematic portfolio route tells the platform story end to end.

Enter the showcase

Agent handoffillustrative flow

Claude Codeplan

↓ context handoff

Codeximplement

↓ verify

Review + shipGitHub

Open to full-stack roles & freelance

Full-stack, AI-tools, B2B, contract and remote. Based in Poland, available worldwide.

Get in touch About & skills