I will test your web3 dapp smart contract crypto wallet and blockchain application
SQA Engineer 'Software Quality Assurance Engineer'
About this Gig
Are you building a Web3 dApp, smart contract, or crypto wallet and need reliable, professional testing?
I am Umar, a QA Engineer with hands-on experience testing blockchain applications, decentralized platforms, mobile wallets, NFT systems, and smart contract user flows. I provide deep, manual testing with clear reports that help you ship secure, stable, and user-friendly products.
I will test:
Web3 dApps (DeFi, NFT, staking, minting, tokens)
Smart contract functional flows (NOT code audit)
Wallet integrations (MetaMask, Trust Wallet, WalletConnect)
Mobile crypto wallet apps (Android/iOS)
Transaction signing, approvals, gas fees & error handling
UI/UX, functionality, regression, and responsiveness
API testing using Postman (auth, payloads, errors)
What you get:
Professional bug report (screenshots + videos)
Steps to reproduce
Severity & priority levels
Suggested improvements
Fast delivery and clean documentation
I ensure every feature of your blockchain app works smoothlyfrom wallet connection to final transaction confirmation. If you want high-quality Web3 testing with expert QA practices, Im here to help.
Testing application:
Web application
Development technology:
HTML & CSS
•
Java
•
JavaScript
•
Kotlin
Device:
PC
•
iPhone
•
Android mobile phone
•
Windows phone

