Blog
Articles on databases, AWS, data systems, research, and practical software engineering.
ETF Investing vs Offset Account for Australians: Which Grows Your Money Faster? (+ Calculator)
An Australian, tax-aware comparison of paying into a home-loan offset account versus investing in index ETFs — with worked examples and an interactive offset-vs-ETF calculator.
Agentic RAG with AWS 10: Production Security, Freshness, Observability, and Cost
How to operate an agentic RAG system in production without losing control of security, freshness, latency, or spend.
Agentic RAG with AWS 9: Evaluation, How to Know Whether the System Is Good
A practical evaluation framework for measuring retrieval and answer quality in an agentic RAG system.
Managing Context Is the Real Skill in AI-Assisted Development
How to use context files and a two-phase workflow to get consistent output from AI agents, even on long and complex tasks.
Agentic RAG with AWS 8: Prompting and Context Assembly
How to turn retrieved evidence into grounded answers without overloading the model context window.
