M mathew.dev Start a project ↗
Available for select freelance projects

Software that helps
businesses get paid
and run better.

I’m Mathew Kioko, a full-stack developer building payment flows, booking platforms, internal dashboards, and automations for growing businesses.

See selected work ↓ Let’s talk ↗
Based in Nairobi, Kenya JavaScript · TypeScript · Node.js · PostgreSQL

Most businesses don’t need “a website.” They need a dependable system for taking payments, tracking work, and keeping customers informed. That’s what I build.

01

Selected work

Concepts and products designed around real business workflows—not pretty screens alone.

revenue / overview
Collected this monthKES 184,250↑ 18.4% from last month
Confirmed46
Pending12
01 — Payments & operations

Revenue OS

A payments and booking command centre for service businesses. Customers book and pay deposits; teams get confirmation, visibility, and a clear revenue picture.

  • Checkout and secure webhook confirmation
  • Bookings, deposits, refunds and receipts
  • Role-based admin dashboard and reporting
Next.jsNode.jsPostgreSQLPaystack
Ask for a walkthrough ↗
ADMIT ONELIVE
EVENTMATHEW TECH / 2026
▦
02 — Event commerce

TicketHub

A live Kenyan event platform for discovering events, buying tickets, instant digital confirmation, QR entry, and organizer insights.

TypeScriptPaymentsQR
Visit live site ↗
EDULINK Dashboard
Fee statusTerm 2 / 2026
68% collected
Student records248
03 — Education systems

EduLink

A school operations concept for students, payment records, and staff visibility.

ReactPostgreSQLDashboards
02

What I build

01

Payments & billing

Checkout, subscriptions, webhooks, receipts, refunds, and revenue reporting that work reliably.

02

Booking & order platforms

Systems that turn enquiries into confirmed bookings, orders, deposits, and follow-up.

03

Business automations

Connect payments, customer messages, documents, dashboards, and internal workflows.

04

Internal tools

Focused dashboards for teams that have outgrown spreadsheets and manual status updates.

03

How I work

I like difficult, useful problems. I work from the business workflow outward—then make the code, data, and user experience hold up in production.

01 / Clear scope We define the problem, user, and outcome before building.

02 / Built for reality Error states, secure payment verification, mobile use, and the admin workflow matter.

03 / Ownership You get a deployed, documented system—not a disappearing code drop.

04

Support my work

If a project or resource has been useful, you can buy me a coffee.

☕

Keep the code brewing.

Your support helps me keep building useful, independent projects.

Secure payment handled by Paystack.

05

Have a business process
that needs less manual work?

Tell me what is slowing your team down. I’ll reply with the clearest next step.

Email me ↗ WhatsApp ↗ GitHub ↗ Earlier portfolio ↗