Tomiwa Raphael

Hey, I'm Tomiwa Raphael.
Fullstack & Blockchain Engineer

Building production systems that scale — across web, mobile and chain. 8+ years of production work — based in Port Harcourt, Nigeria.

Work with meGitHub
Open to freelance
Now
WatchUp · Omnikit
Focus
Fullstack · Blockchain
Chains
Solana · Ethereum · Sui · WAXP
Based
Port Harcourt, Nigeria
Experience
8+ years
01

Selected work

watchup.site
WatchUp screenshot

WatchUp

Live

Error tracking and API monitoring — live event ingestion, alerting and dashboards for production services.

Node.jsReactWebSocket

Visit site ↗

worldstreetgold.com
WorldStreetGold screenshot

WorldStreetGold

Live

Trading platform with multi-chain integration. I built the trading and crypto side — spot and futures, order flow and settlement.

HyperliquidNode.jsSolanaEthereumArbitrum

Visit site ↗

verso.watchup.site
Verso screenshot

Verso

Live

Poetry platform hosting 12k+ poems, with search, collections and a writer community.

Next.jsMongoDBTailwind

Visit site ↗

omnikit.watchup.site
Omnikit screenshot

Omnikit

In progress

An all-in-one web3 RAD system — the building blocks for shipping on-chain products fast.

Web3TypeScript

Visit site ↗

02

Also built

  • Clona

    In development

    Backend engineering — May 2026 to present. In development.

    Backend

  • Ripplebids · Ripplevids · Rippletrades

    Past work

    An intertwined crypto ecosystem — a bidding marketplace, a short-form video platform and a trading surface over one shared account and wallet layer. Since rebranded as Ripple-Verse; past work, no longer involved.

    React Native · Node.js · AWS

  • BlockCred

    In development

    A credential management system built on the Sui blockchain.

    Sui · React · Web3

  • Creative Learning System↗

    Shipped

    A school management system — students, staff, results and fees.

    Django · PostgreSQL

  • Keyperion Softphone

    Shipped

    Private company communication platform facilitating secure calls and messages. Internal app — no public URL.

    WebRTC · .NET

  • WatchUp Server Agent

    Live

    Lightweight agent that runs on your servers and streams health, resource and process metrics back to WatchUp.

    Node.js · WebSocket

03

Stack

Backend
Node.jsPythonDjangoFlask.NET
Frontend
ReactNext.jsTypeScriptTailwind
Mobile
React NativeExpo
Blockchain
SolanaEthereumSuiWAXP
Infrastructure
AWSPostgreSQLMongoDBWebSocket

Let's build something.

A few projects at a time, done properly. Tell me what you have in mind.

devtomiwa9@gmail.com
Email
devtomiwa9@gmail.com
Work email
devtomiwa@watchup.space
Telegram
@dev_tomiwa
GitHub
tomurashigaraki22
WhatsApp
+234 704 483 1729