TwentyFour7 Careers

TwentyFour7
TwentyFour7-company-logo
TwentyFour7
Eastern, Hong Kong, China
Consumer Services
201-500

Hiring Top Web3 & Blockchain

Talent (Remote)

Build the Future of Web3 With Us

We're building exciting Web3 on-chain ecosystems and are actively seeking

high-level software engineers and technical experts skilled in Solidity, Smart

Contracts, and Frontend/Backend Web Application Development.

If you're passionate about blockchain technology and want to build innovative

decentralized products, we'd love to connect with you.

Location: Remote (Worldwide)

Employment Type: Full-time | Part-time | Contract

What You'll Build

You'll contribute to cutting-edge blockchain products, including:

● Web3 decentralized applications (dApps)

● Smart contract infrastructure

● DeFi and staking platforms

● On-chain gaming ecosystems

● NFT and token-based applications

● Cross-chain integrations

● Scalable blockchain backend services

● Modern frontend Web3 applications

Responsibilities

● Design, develop, test, and deploy secure smart contracts using Solidity.

● Build scalable decentralized applications on EVM-compatible

blockchains.

● Develop robust frontend and backend applications for Web3 platforms.

● Integrate blockchain protocols, wallets, and Web3 APIs.● Collaborate with Product Managers, Designers, and Engineering

teams.

● Optimize applications for performance, scalability, and security.

● Participate in architecture discussions, code reviews, and technical

planning.

● Stay current with emerging blockchain technologies and industry best

practices.

Requirements

● Professional experience in blockchain and software development.

● Strong knowledge of Solidity and smart contract development.

● Experience building applications on Ethereum or other

EVM-compatible chains.

● Experience with React, Next.js, Node.js, TypeScript, or similar

technologies.

● Familiarity with Web3 libraries such as ethers.js, viem, or web3.js.

● Understanding of blockchain architecture, wallets, and decentralized

applications.

● Strong problem-solving skills and the ability to work independently in a

remote environment.

● Excellent communication and collaboration skills.

Preferred Skills

● Hardhat or Foundry

● OpenZeppelin

● DeFi protocols

● Staking platforms

● NFTs and GameFi

● Layer 2 ecosystems (Arbitrum, Base, Optimism, Polygon)

● Rust

● Smart contract security and auditing

● Cross-chain technologies

Why Join Us?● Fully remote work from anywhere in the world

● Flexible working hours

● Work on innovative Web3 and blockchain products

● Collaborate with an experienced international engineering team

● Long-term career growth opportunities

● Competitive compensation based on experience