Engineering at the edge
of code & intelligence.
Al Amin Ahamed · 4+ years shipping Laravel platforms, WooCommerce extensions, WordPress plugins, and TypeScript systems. Now building with LLMs and agents — and writing about both.
01 · Selected work
Things I've built
"At work: Senior Software Engineer at Codexpert. Deep focus on EasyCommerce — AI-driven product management, multi-vendor marketplace features, and performance work. Shipped several extensions to the WordPress.org repo thi..."
More →02 · Writing
Recent essays
· 0 min read
Prompt Versioning in Production: Managing LLM Prompts Like Code
How EasyCommerce manages LLM prompts across Claude, OpenAI, and DeepSeek with a versioned registry, structured evals in CI, and a rollback path that does not require a deployment.
· 0 min read
RAG Without a Framework: A Minimal pgvector Pipeline with Claude
How to build a complete RAG pipeline in Python without LangChain or LlamaIndex — chunking, embedding with text-embedding-3-large, pgvector retrieval, and grounded generation with Claude — with the tradeoffs that matter at production scale.
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Building a Claude Code MCP Server in Python: Lessons from codebase-research-agent
How codebase-research-agent exposes a tool-using AI agent as a Claude Code MCP server — JSON-RPC over Streamable HTTP, tool registration, streaming SSE, and the four things that broke in production before it worked reliably.
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How I Cut Edit Distance from 168 to 43 in a Legal Document RAG Pipeline
Three architectural changes that brought average edit distance from 168 to 43 in a legal document RAG pipeline — section-scoped chunking, section-scoped exemplar prompting, and switching from a general embedding model to a legal-domain one — with a CI eval suite that made the improvement trajectory visible and reproducible.
03 · AI playground
Ask my writing.
Ollama embeddings · Openai · pgvector. Cited answers, real code.
avg latency 3.1s · always cites sources
04 · Stack snapshot