Virginia Mwega

@veemwega

Full-stack & AI engineer · multi-agent systems

Nairobi,KenyaJoined May 2026

About

Full-stack & AI engineer. I write about multi-agent systems, LLM reliability, and what actually breaks when a model call meets production.

Available for

Open to Founding Engineer & Product Engineer roles at early-stage AI startups. Also taking on freelance technical writing & documentation contracts.

Virginia Mwega's blogs

Virginia Mwegavirginiamwegahashnodedev.hashnode.dev12 posts

Articles Comments

Recently published

VMVirginia Mwegavirginiamwegahashnodedev.hashnode.dev6h ago · 9 min read

Writing API docs an AI agent can actually consume

I found the gap the embarrassing way: one of my own agents couldn't call one of my own APIs. FamNest runs a small agent graph — a router hands a parent's message to a retriever, the retriever grounds

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VMVirginia Mwegavirginiamwegahashnodedev.hashnode.dev1d ago · 5 min read

Multi-tenant vector search with pgvector + Row Level Security

My app is an AI wellness coach for parents. Every user's data is about the most private thing they have: how they're actually coping. Their check-ins, their bad nights, the things they'd never say out

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VMVirginia Mwegavirginiamwegahashnodedev.hashnode.dev3d ago · 5 min read

The deterministic crisis floor: when you can't trust the model with the highest-stakes call

Most of building an AI product is making things better — warmer, smarter, more personal. This post is about the one place where I deliberately made my product dumber, on purpose, and why it's the deci

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VMVirginia Mwegavirginiamwegahashnodedev.hashnode.dev6d ago · 7 min read

Three-tier memory for a parenting agent — without leaking one family's night into another's

For the coach to feel like it knows a parent, it has to remember things. That last week was brutal. That they work nights, so "go to the gym" is a joke and a three-minute reset is real. That last time

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VMVirginia Mwegavirginiamwegahashnodedev.hashnode.devJun 22 · 8 min read

Your AI agent needs a second agent whose only job is to say no

Most agent tutorials show you how to make a model do something. Call a tool, plan a task, chain a few steps together. That part is mostly solved now, and the content reflects it — there are a thousand

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Virginia Mwega

About

Available for

Virginia Mwega's blogs

Recently published

Writing API docs an AI agent can actually consume

Multi-tenant vector search with pgvector + Row Level Security

The deterministic crisis floor: when you can't trust the model with the highest-stakes call

Three-tier memory for a parenting agent — without leaking one family's night into another's

Your AI agent needs a second agent whose only job is to say no

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Virginia Mwega

About

Available for

Virginia Mwega's blogs

Recently published

Writing API docs an AI agent can actually consume

Multi-tenant vector search with pgvector + Row Level Security

The deterministic crisis floor: when you can't trust the model with the highest-stakes call

Three-tier memory for a parenting agent — without leaking one family's night into another's

Your AI agent needs a second agent whose only job is to say no