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Gary Constable AKA GhostFrog

Builder of AI Agents, Data Pipelines & Automation Systems

Learning AI Engineering by Doing: My 6-Month Journey

2025-11-20

Six months ago I wouldn’t have called myself an “AI engineer”.

Today I’ve built:

  • a self-improving agentic system (Bob + Chad)
  • a data-driven arbitrage engine (GhostFrog)
  • a full Civil Service AI toolkit
  • a Flask portfolio full of working apps
  • local LLM pipelines using Ollama
  • an entire developer workflow powered by autonomous tools

What changed?

I stopped learning theory.
I started shipping projects that matter to me.

The breakthrough was realising that:

  • Python skills grow fastest when you build end-to-end systems
  • Agentic patterns (planner → tools → executor) create insane productivity
  • Local models (phi, qwen) outperform cloud LLMs for iterative coding
  • Every mistake becomes a learning rule for the systsoem

The Big Outcome

I now feel genuinely ready to apply for Python developer roles — including UK Civil Service SEO/G7 roles.

I built my own evidence instead of reading books.

This blog will track the next stage of the journey.

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