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
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.
· 0 min read
Designing a ReAct-Style Codebase Research Agent with Tool Use
How codebase-research-agent uses a ReAct loop to orchestrate semantic search, AST navigation, symbol lookup, grep, and git blame as callable tools — the hybrid retrieval substrate it operates on, and why framing RAG as a tool rather than a pipeline changes the architecture fundamentally.
· 0 min read
Building a 12-Source Job Discovery Pipeline with RAG and pgvector
How JobPulse aggregates job listings across 12 sources in three tiers, embeds your resume into pgvector, and generates grounded cover letters via Claude — including the async adapter protocol, composite scoring model, and the three retrieval failure modes that shaped the final architecture.
· 0 min read
Scaling a Laravel MCP Tool Registry to 46 Tools
The May 12 post covered the MCP server architecture. This one goes inside the tool registry: class-per-tool structure, Sanctum ability scoping, JSON Schema validation before dispatch, tag-based auto-discovery, and the three things that broke when the registry hit 46 tools.
03 · AI playground
Ask my writing.
Ollama embeddings · Openai · pgvector. Cited answers, real code.
avg latency 3.1s · always cites sources
04 · Stack snapshot