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manningjustin

Manning J

@manningjustin

Blockchain Developer, Smart Contracts and Web3

United States
English
About me
I build crypto exchange websites, P2P platforms, and wallet apps with real smart contract integration, not just template reskins. My work covers admin panel development, wallet connectivity (MetaMask, WalletConnect), custom token logic (ERC-20/BEP-20), and secure backend architecture for exchange platforms. Whether you need a fast MVP to launch quickly or a fully custom build with KYC, multi-currency support, and live trading logic, I deliver clean, working code, not just a pretty front end.... Read more

Skills

m
manningjustin
Manning J
Offline • 
Average response time: 1 hour

See my services

Copy Paste
I will format, fix, and align your word documents and pdfs
From$20 / projectMore details
Technical Support
I will develop blockchain website, crypto exchange, smart contract and wallet app
From$150 / projectMore details

Work experience

WEB3_

Web3 Developer

WEB3 • Self-employed

May 2024 - Present • 2 yrs 3 mos

Built decentralized application (dApp) front-ends with wallet connectivity (MetaMask, WalletConnect), integrated smart contracts for token transactions, and developed Web3-based backend logic for exchange and wallet projects.

web.dev

Freelance Blockchain Developer

web.dev • Part-time

Jan 2023 - Present • 3 yrs 7 mos

Built and integrated smart contracts for token swaps and wallet connectivity (MetaMask, WalletConnect) on EVM-compatible chains. Developed backend logic for a P2P exchange MVP including order matching and admin dashboard. Delivered end-to-end front-to-back builds for small crypto projects, from landing page through deployed contract.