AI growth engineer, Nairobi, Kenya

Your ads are ready.Your site is not.

Seven years at Head of Digital level, running six-figure media budgets. Now I build the AI too: RAG chatbots, conversational AI, and the sites they live on.

See the work Start a project

new users: 40%+new users
conversion lift: 30%conversion lift
cheaper leads: 22%cheaper leads

George R. Muchiri Wanjii

AI growth engineer

The V BarQuatrix GlobalAfricaSokoniSabibu AfricaRockmax MediaPontypridd HoldingsThe V BarQuatrix GlobalAfricaSokoniSabibu AfricaRockmax MediaPontypridd Holdings

Do not take my word for it

Message a bot I built. It answers in plain English.

+254 117 854 701. No signup, no form, no call booked.

Open WhatsApp

The usual arrangement

Nobody owns the result

When the numbers disappoint, both of them are right and nothing changes. I do both jobs, so there is nowhere for it to hide.

On record

Numbers you can check

Each one traces back to a case study below.

years owning the funnel: 7+years owning the funnel
new users, The V Bar: 40%+new users, The V Bar
conversion lift, one variable at a time: 30%conversion lift, one variable at a time
cheaper leads, Quatrix Global: 22%cheaper leads, Quatrix Global
organic traffic, AfricaSokoni: 35%organic traffic, AfricaSokoni
average client lift, across three continents: 20%average client lift, across three continents

AI capability

The AI I have actually shipped

Marked honestly. Shipped means it has run in production with real users. Offered means I will build it, and I will not pretend otherwise.

Capability	What it means for you	Proof
Retrieval augmented generationRAG	Answers pulled from your documents, not invented	Offered
Speech to text, real timeWhisper	Live call transcription fast enough to act on	Wazomind
Large language model integrationLlama, Groq	Suggested replies while the call is still running	Wazomind
Computer vision and face matchingDeepFace	Guests find their own photos from a selfie	PicsZako
Conversational AI and intent matchingNLP	Understands how customers actually type, typos included	Wanjii Bot
Guardrails and evaluationSafety	It refuses, cites its source, and logs what it got wrong	Every bot I build
AI assisted developmentClaude Code	How one person ships what used to need a team	This site included

Selected work

Work that is still running

WhatsAppjabajuice.co.ke

Jaba Juice

A storefront, an ordering bot and an admin dashboard. Three apps, one repo, three places to deploy.

3apps deployed from one repo

0app downloads required to order

Next.jsExpressTypeScriptPostgreSQLVercel

Marketing siteenkaji77-lemon.vercel.app

Enkaji 77

The brand holds from the booking email to the checkout card, not just the homepage.

Next.jsVercelBrand identity system

Marketing sitepontypriddholdings.com

Pontypridd Holdings

The phone stopped ringing with questions the website could answer.

Next.js 16Payload CMS 3PostgreSQLNode 20nginx

Marketing sitestudiogrey.co.ke

Studiogrey

A cabro paving yard that sells per square metre. The site answers the price question and turns it into a WhatsApp chat.

1 tapfrom calculator estimate to a pre-filled WhatsApp message

16town landing pages generated from one data file

100Lighthouse SEO and accessibility on every page

Next.js 16TypeScriptTailwind 4VercelWeb3Forms

Commercethev.bar

The V Bar

Nairobi's first app-based alcohol delivery. I ran the acquisition and rebuilt the storefront it converts on.

40%+growth in new users

30%lift in conversion rate

30%higher order completion

WooCommerceApp deep-linkingHubSpotGA4Google Ads

AIChrome Web Store

Wazomind

A private co-pilot for your calls. Live transcript, the answer to say next, a summary after. No bot joins.

5.0rating on the Chrome Web Store

127users, no ad spend

0bots joining your call

RAG-ready architectureChrome ExtensionReactTypeScriptVite

Marketing siterockmaxmedia.co.ke

Rockmax Media

A creative agency site engineered as a lead machine. Every service page is a landing page, and every lead is answered in seconds.

Secondsspeed-to-lead, automated

3tracking layers wired at build

2012the agency, rebuilt for how it sells now

Next.js 16Payload CMS 3Supabase PostgresTailwindVercel Blob

Commercesabibuafrica.com

Sabibu Africa

Years of WooCommerce moved onto a modern stack. Not one record retyped.

6data types migrated by script

0records re-entered by hand

Next.jsPayload CMS 3PostgreSQLTypeScriptCloudinary

AIwanjii-bot.vercel.app

Wanjii Bot

The Jaba Juice ordering bot, packaged as a product. Understands how people actually type.

2.7Bpeople who buy on WhatsApp

< 3 wksfrom brief to live bot

24/7orders taken without staff

Node.jsTypeScriptNext.jsPostgreSQLWhatsApp Cloud API

AINot hosted

PicsZako

An AI event-photo platform. Guests find their own photos with a selfie, and pay by M-Pesa.

Livemoney-handling product

M-Pesapayments with photographer payouts

Next.jsNode / ExpressPostgreSQLComputer vision, DeepFaceM-Pesa

How I work

One person does both

Growth

Anyone can buy you traffic. The money is in what happens after the click.

Paid search and social
CRO and structured testing
GA4 and Looker reporting
Lifecycle email and CRM

AI and build

RAG chatbots, AI agents, and the sites they live on. Live and yours, with no retainer to change a headline.

LLM integration, Whisper, Llama, Groq
Headless migrations off WooCommerce
Conversational AI on WhatsApp and Telegram
RAG chatbots, answers from your own documents
Next.js, Payload CMS, M-Pesa payments

Both

AI build and paid growth from one person. Your ads, your site and your bots stop being three companies arguing.

Tracking live on launch day
Speed-to-lead automation
One person accountable
No handoff to manage

Also built

More client work

Marketing sitesafetrustsolutions.co.ke

Safetrust Solutions

A security firm that looks like one. Their team publishes it, not me.

Next.js 16Payload CMS 3PostgreSQL

PlatformNot deployed

Quatrix Global

Marketing site and client portal, finally telling the same story.

WordPressReactREST APIs

WhatsAppNot deployed

WhatsApp Commerce Suite

One state-machine architecture, three businesses. Deterministic where a wrong answer costs money.

Node.jsTypeScriptExpress

PlatformNot hosted

BuildLink

Three quotes for cement without making three phone calls.

Next.js 16TypeScriptTailwind 4

All work →

Straight answer

I am probably wrong for you if

You want the cheapest quote. I am not it.
You need a brand refresh and a logo. Not my trade.
You want a big team on site. There is one of me.
You need it live tomorrow. Three weeks is honest.

Tell me what is broken.

Tell me which. If I am the wrong person I will say so, and point you at someone who is not.

Start a project