WHITEGHOST OS

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OPERATOR: KHALID NASIRU SECURE
whiteghost.dev
SYSTEM.KERNEL :: v1.0.0 ONLINE
Based in Abuja, Nigeria

KHALID NASIRU.

Full-Stack Developer & Blockchain Engineer
KHALID_NASIRU.IMGVERIFIED
Khalid Nasiru — Full-Stack Developer and Blockchain Engineer
KHALID NASIRUAbuja, Nigeria

Building web applications, blockchain products, smart-contract systems, and open-source software.

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portfolio.tsx
01
import { Developer } from "@khalid/universe";

# About.system

Developer Profile & Mission.

OPERATOR_SYSTEM_PROFILE :: ID-8842
KERNEL_ONLINE
Khalid Nasiru — Full-Stack Developer and Blockchain Engineer
OPERATORKhalid Nasiru
ROLEFULL_STACK_DEVELOPER
FOCUSBLOCKCHAIN / WEB3
LOCATIONAbuja, Nigeria
khalid@workstation:~$
khalid@workstation:~$
PROJECTSWeb Applications + Web3
OPEN SOURCEActive Contributor
FOCUSBlockchain & Full-Stack
BUILD STYLEProduct Focused

EDUCATION_MODULE :: VERIFIED

STATUS: LOADED
University EducationKaduna State UniversityB.Sc. Business Administration
Secondary EducationArewa Model School
Location & OriginAbuja, NigeriaOrigin: Kaduna State, Nigeria

# Skills.json

Technical Stack & Skills Matrix.

# INTERACTIVE_SKILLS_UNIVERSE

Explore my technology orbital graph. Drag, hover, and inspect core modules.

GRAPH_PHYSICS :: ACTIVE
INSPECTED_MODULE

React

FRONTEND
DESCRIPTION

Declarative UI component architecture, custom hooks, state management, and performance optimization.

PRACTICAL USE CASE

Building reactive, high-performance web frontends and complex UI state workflows.

ASSOCIATED REPOSITORIES
Nexus Health WorkerPayProofLuminaRailKimana

$ git log --stat

Engineering Timeline & Commit History.

$ git log --stat --oneline --author="Khalid Nasiru"
Fetching commit history...
FE-WEB3-FREELANCEFreelance Web3 & Frontend Development
2024 — Present Abuja, Nigeria

Engineering production Web3 applications, smart-contract frontends, and client web interfaces with React, Next.js, and TypeScript.

ENGINEERING_FOCUS:
>Web3 user interfaces & wallet connections
>Blockchain & smart-contract integrations
>React & Next.js production applications
>Open-source development & developer tooling
DELIVERABLE_HIGHLIGHTS:
Engineered non-custodial DeFi yield vaults, milestone payment escrow systems, and Stellar settlement interfaces.
Authored gas-optimized Solidity smart contracts verified with Foundry unit test suites and permissionless reward flows.
Integrated Wagmi, Viem, RainbowKit, and Stellar SDK into responsive Next.js frontends with strict type safety.
Delivered production-quality Web3 transaction user flows with real-time on-chain state updates and error handling.
STACK_TAGS:
ReactNext.jsTypeScriptSolidityFoundryStellar SDKSorobanWagmiViemTailwind CSS
Freelance & Contract VERIFIED_RECORD
PROTOCOL-OPENSOURCEOpen Source & Protocol Contributions
2024 — Present Remote / Open Source

Designing open-source smart contract implementations, payment tools, and financial infrastructure.

ENGINEERING_FOCUS:
>Stellar & Soroban Rust smart contract rails
>EVM smart contract security & invariant testing
>Payment verification & receipt generation tooling
DELIVERABLE_HIGHLIGHTS:
Architected LuminaRail, a Stellar-native settlement protocol connecting local fiat rails with USDC liquidity.
Built PayProof for cryptographic transaction verification and digital receipt generation on Stellar.
Developed NdiFi yield vault smart contracts with invariant fuzzing tests in Foundry.
Created PayGo smart contract escrow billing infrastructure deployed on Base L2.
STACK_TAGS:
SoliditySorobanRustStellar SDKFoundryBase L2TypeScript
Open Source & Protocol VERIFIED_RECORD
FRONTEND-WEB-APPSFrontend Engineering & Client Applications
2023 — 2024 Nigeria

Developing responsive web applications, component design systems, and API-driven web portals.

ENGINEERING_FOCUS:
>Responsive component systems & design tokens
>Logistics & healthcare application frontends
>REST API integration & state management
DELIVERABLE_HIGHLIGHTS:
Engineered Nexus Health Worker clinical healthcare frontend for patient management and appointment workflows.
Built TROIT Logistics web application showcasing commercial fleet metrics and service tracking.
Architected Kimana client web platform with animated component UI and smooth layout transitions.
Optimized frontend rendering performance, asset delivery, and WCAG accessibility standards.
STACK_TAGS:
ReactNext.jsTypeScriptJavaScriptTailwind CSSREST APIsGit
Frontend Projects VERIFIED_RECORD

$ ls -la ~/projects

Selected Projects & Repositories.

$ ls -la ~/projects

Scanning repositories...

LuminaRail
WEB3 / ON-CHAIN

Stablecoin settlement infrastructure connecting local fiat rails with USDC on Stellar.

SorobanStellar SDKRustNext.js+2
PayProof
WEB3 / ON-CHAIN

Stellar payment verification and cryptographic receipt generation platform.

Stellar SDKSorobanReactTypeScript+1
NdiFi
WEB3 / ON-CHAIN

Non-custodial yield distribution vault engineered in Solidity with automated reward distribution.

SolidityFoundryReactWagmi+2
PayGo
WEB3 / ON-CHAIN

Smart contract billing protocol replacing trust-based agreements with milestone escrow on Base L2.

SolidityBase L2Next.jsRainbowKit+2
Basevia
WEB3 / ON-CHAIN

Remittance application routing cross-border payments through Base L2 for minimal transaction fees.

Base L2SolidityNext.jsTailwind CSS+1
StellarPay
WEB3 / ON-CHAIN

Programmable payment infrastructure built on Soroban with multi-sig treasury controls.

RustSorobanStellar SDKReact+1
TROIT Logistics
LIVE PRODUCT

Production web interface for an enterprise logistics company featuring service tracking UI.

ReactNext.jsTypeScriptTailwind CSS
Kimana
LIVE PRODUCT

Modern client-facing web application built with aesthetic polish and fluid animations.

ReactNext.jsTypeScriptFramer Motion+1
Nexus Health Worker
LIVE PRODUCT

Healthcare platform frontend integrating patient management and medical service workflows.

ReactTypeScriptTailwind CSSREST API

Production Work

Live Products.

Real interfaces I've helped design and build — demonstrating production frontend engineering experience on live web products.

Frontend Engineer
troit-logistics.vercel.app

TROIT Logistics

Production web interface for a logistics company showcasing services, fleet capabilities, shipment tracking UI, and enterprise contact workflows.

  • Responsive service sections and dynamic service modal interactions
  • Pixel-precise design implementation focused on user conversion
  • Optimized layout assets, typography, and fast page load times
ReactNext.jsTypeScriptTailwind CSS
View Live
Frontend Engineer
kimana-frontend.vercel.app

Kimana

Modern client-facing web application built with emphasis on aesthetic polish, fluid transitions, and component reusability.

  • Built interactive component architecture with modern UI patterns
  • Smooth layout transitions and cross-browser responsive design
  • Clean client state management and performance optimizations
ReactNext.jsTypeScriptFramer Motion
View Live
Frontend Engineer
mynexushealth.online

Nexus Health

Healthcare platform application designed for patient interaction, medical service information, and appointment booking flows.

  • Designed patient-facing portal views and service booking components
  • Accessible form design and cross-device optimization
  • Implemented clean navigation structure and fast rendering
ReactTypeScriptTailwind CSSNext.js
View Live

Contributions

Open Source.

I don't just build with open source — I contribute to it.

I actively contribute to core web3 libraries, wallet SDKs, smart contract standards, and frontend tooling. Focusing on type safety, documentation precision, accessibility, and edge-case fixes that strengthen ecosystems.

Ethereum React Hooks

wagmi

wagmi-dev/wagmi

TypeScript type fixes and documentation improvements for the premier React hooks library for Ethereum.

View Repository
UI Components

shadcn/ui

shadcn-ui/ui

Identified and resolved component accessibility issues affecting keyboard navigation and screen reader support.

View Repository
Web3 Funding

Drips Protocol

drips-network/app

Frontend integration work and smart contract interaction patterns for a decentralized funding protocol on Ethereum.

View Repository
Wallet Connection

RainbowKit

rainbow-me/rainbowkit

Bug reports and documentation clarifications improving wallet connection UX across EVM-compatible chains.

View Repository
Smart Contract Toolchain

Foundry

foundry-rs/foundry

Documentation contributions covering Forge test patterns and gas snapshot workflows for Solidity developers.

View Repository
Stellar JS SDK

Stellar SDK

stellar/js-stellar-sdk

Clarified Soroban contract invocation examples and corrected TypeScript types in the official Stellar JS SDK.

View Repository
Contract Standards

OpenZeppelin

OpenZeppelin/openzeppelin-contracts

Reviewed and flagged edge cases in ERC-4626 vault implementation documentation during audit preparation.

View Repository
TypeScript Ethereum Primitives

viem

wevm/viem

Contributed type-level improvements and usage examples for low-level Ethereum client interactions.

View Repository

How I Build

Capabilities.

Core technical domains and architectural capabilities I bring to products and engineering teams.

Web3 Frontends

High-performance React & Next.js interfaces built for Web3 UX.

Crafting responsive web applications with Wagmi, Viem, and RainbowKit. Abstracting complex contract state into seamless user flows.

Key Expertise

ReactNext.jsTypeScriptWagmi & ViemWallet IntegrationsDashboards

Smart Contracts

Gas-optimized, secure smart contract architecture in Solidity.

Designing EVM and Soroban contract systems verified with Foundry. Writing robust test coverage, invariant tests, and deployment scripts.

Key Expertise

SolidityFoundryUnit & Invariant TestingSorobanDeployment ScriptsContract Architecture

DeFi & Payments

On-chain financial mechanics, escrow logic, and settlement rails.

Building non-custodial yield vaults, milestone escrow protocols, recurring billing logic, and instant payment receipt verification systems.

Key Expertise

Staking VaultsLending MechanicsEscrow ProtocolsPayment VerificationSettlement Systems

Blockchain Infrastructure

API integration, RPC data pipelines, and protocol interfaces.

Connecting frontends with indexed blockchain data, subgraph services, RPC providers, and custom event listeners for high reliability.

Key Expertise

Blockchain APIsIndexers & SubgraphsRPC InfrastructureEvent ListenersProtocol Interfaces

$ ls -la ~/blogs

Engineering Articles & Writing.

$ ls -la ~/blogs
4 ARTICLES PUBLISHED
2026-02-15 6 min read

Architecting Type-Safe Web3 Frontends with Next.js & Viem

How to structure production React applications for reliable smart contract interactions, transaction indexing, and wallet state management.

#Next.js#TypeScript#Viem#Wagmi#Web3 UX
2026-01-20 8 min read

Building Low-Cost Settlement Rails with Soroban Rust Smart Contracts

A practical guide to developing Soroban smart contracts in Rust for fast, sub-cent financial settlement on the Stellar network.

#Stellar#Soroban#Rust#FinTech#Smart Contracts
2025-11-10 7 min read

Testing EVM Yield Vaults with Foundry Fuzzing & Invariants

Preventing common DeFi vulnerabilities in Solidity contracts using Foundry unit testing, symbolic fuzzing, and invariant checks.

#Solidity#Foundry#Security#DeFi#Testing
2025-09-05 5 min read

Building Component-Driven Systems with Tailwind CSS v4 & Radix UI

Best practices for building dark-mode-first, accessible design systems using utility CSS and unstyled headless components.

#Tailwind CSS#React#Radix UI#Accessibility#Design Systems

$ ./contact.exe

Have something worth building?.

$ ./contact.exe --recipient="bigkaytwo@gmail.com"
STATUS :: ACTIVE