Building ephemeral encrypted chat with Cloudflare Durable Objects
I built elm.chat around a narrow idea: a conversation should not automatically become a permanent server-side asset. It is not a replacement for a con…
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Mapping Strategies Without the Magic (Chapter 4)
At the end of the previous chapter, I teased that we were about to dive straight into the heavy machinery of DAO implementation - hooking up Spring Da…
RAG Classifications, Architectures: A Field Guide for Production-Grade Systems
If you've shipped a "chat with your docs" prototype in a weekend, congratulations — you've built Naive RAG . If you've then watched it hallucinate on …
Referential Transparency in TypeScript: Software Humans and AI Can Reason About
The most valuable property of functional programming is not immutability, monads, or writing everything as an arrow function. It is referential transp…
Why System Design Interview Prep Is Your Only Moat Against AI
I build an AI product for a living, and I'll tell you what the models are good at: they write my CRUD endpoints, my Terraform, my test scaffolding, an…
Lifecycle, DevOps & Multi-Agent Orchestration for Enterprise AI
The Agentic DevOps Challenge As enterprise AI adoption matures, organizations are shifting from single-turn chat assistants to complex multi-agent orc…
Solving Riverpod’s Family Provider Cache Dilemma with Signals & mapSignal
Eliminating Stale Data Silos & Complex Invalidation Loops in Flutter Apps Key Takeaway : When separate family providers store parameterized networ…
Applying GCP, AI & Modern Web to Build a Summarized News Experience
While preparing for the Google Cloud Architect certification, I wanted to deepen my understanding by building something practical using the GCP servic…
"Your GitOps Hub Will Become the Bottleneck Long Before Cluster Count Tells You"
Your GitOps Hub Will Become the Bottleneck Long Before Cluster Count Tells You GitOps hub bottlenecks are usually predicted more accurately by watched…
How to Turn an Architecture Guide into Developer Onboarding
An architecture guide often answers the wrong question for a new contributor. It tells them what components exist, where repositories live, and which …
From AI support copilot to agentic customer service
TL;DR Tokenizing at intake does nothing for the return path. Evidence agents query the CRM and raw identity comes back as a tool result, straight into…
Python Selenium Architecture and the Importance of Python Virtual Environments
Modern software development demands applications that are reliable, efficient, and capable of delivering an excellent user experience. As organization…
Understanding Python Selenium Architecture and the Importance of Python Virtual Environments
Modern software development demands applications that are reliable, efficient, and capable of delivering an excellent user experience. As organization…
The $26 Billion Leak: Why Frameworks Are Making Your Codebase Rot (and How Hexagonal Isolation Fixes It)
According to a 2024 vFunction survey, over 50% of companies watch more than a quarter of their entire IT budget vanish into technical debt. This isn't…
Wetask Is Opening Its Task Runtime to External Workers
Wetask's next update brings durable, fenced external workers, atomic batch settlement, and first-party Go, TypeScript, and Python clients. Wetask star…
Emergent Design & Gall's Law: When Complex Coding Problems Dissolve Instead of Being Solved
I recently read an article by the main maintainer of InversifyJS describing the journey of rebuilding its dependency resolution algorithm . What caugh…
Data, Context & RAG Lineage Governance for Enterprise AI Agents
The RAG Security Gap Retrieval-Augmented Generation (RAG) has rapidly emerged as the foundational architecture for grounding enterprise AI agents in p…
Shared UI Means Shared Contracts, Not Shared Hosts
A component can compile in a shared assembly and still be impossible to construct in one of the applications that renders it. That is easy to miss whe…
Important Design Patterns in a Nutshell
When building complex software systems, writing code that simply "works" is not enough. As systems scale and requirements evolve, poorly structured ob…
AI Governance for Enterprise AI: Why Governance Comes Before the Gateway
Governance decides what AI is allowed to do. The gateway only enforces it. Every technology shift follows the same pattern. A new platform emerges, ea…
Stop writing glue code for telephony APIs
I've spent enough time in the trenches of software engineering to know that there is nothing more soul-crushing than writing 'glue code.' You know exa…
The Lateral Isolation Tax: Preventing Direct Communication Between Peer Services
I put together a project to document an architectural discipline I call " Lateral Isolation ". The core idea is simple: preventing direct communicatio…
Good Documentation Explains the Decision, Not Just the Code
A pattern I’ve seen many times in software projects is that documentation starts too late and documents the wrong thing. A team ships a feature, the c…
Building an Aruba Central Producer in Go: Four API edge cases we had to solve
A deterministic infrastructure collector sounds straightforward: authenticate, call the API, normalize the response, and write JSON. Enterprise APIs q…
Nobody Hands You Day One: Stepping In as CTO on a Live Product Across Three Runtimes
Most engineering stories start at day one with a clean repo. This one did not, and I think the messy version is the more useful one to read. I stepped…
Did it check, or did it guess? Testing a tool whose output is written by an LLM
My first AI tool was ready, and in typical AI-era fashion, I rushed to publish it. After all, it worked. Or at least when I ran it, the output looked …
From Payment to Shipping: How We Built a Cross-Border Order State Machine That Solved Idempotency and Callback Chaos
When your payment gateway fires the same "paid" webhook three times, your logistics API calls back with "shipped" before payment is confirmed, and the…
AI agent architecture: components of a system that survives real traffic
The core loop Every AI agent, regardless of framework or implementation, executes a loop: receive input, decide what to do next, take an action, obser…
The Laws That Quietly Govern Good Software (Part One)
"We'll clean it up later." — every engineering team, at some point In my last post, I wrote about the hidden complexity behind simple products . The s…
Paving the wrong Path: What a Broken Government System Taught Me About Feedback Loops
Last year I was made redundant from an NHS role. Around the same time, the team I worked in got a "new system." Everything that used to live on paper …