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Blockchain Works

Senior Web3 Developer Opportunity

TwentyFour7 ยท Portland, OR, United States

Posted 27 days ago

$165K - 185KFull timeRemote

About TwentyFour7

About the role

Hello Builders! ๐Ÿ‘‹

Weโ€™re Twenty Four 7, a Portland-based tech company on a mission to shape the future of Web3. Weโ€™re building a next-gen staking contract platform that will seamlessly integrate staking sites, NFT marketplaces, and powerful features using our Metaverse tokens and NFT assets.

To bring this vision to life, weโ€™re growing our global team and are currently hiring across several key roles:

๐ŸŒ Open Positions:

๐Ÿ”น Blockchain Developers

Build smart contracts (Solidity), develop staking logic, NFTs, and optimize for gas and security.

๐Ÿ”น Frontend Developers

Develop responsive and engaging dApps using modern frameworks like React, Next.js, and Web3 libraries (ethers.js, web3.js).

๐Ÿ”น Backend Developers

Design and implement secure, scalable APIs and logic using Node.js, Express, or similar.

๐Ÿ”น UX/UI Designers

Create user-friendly, intuitive designs for our staking platform and NFT integrations. Web3 UI/UX experience is a big plus.

๐Ÿ”น DevOps Engineers

Set up CI/CD pipelines, infrastructure, and maintain secure deployment environments on AWS/GCP.

๐Ÿ”น Data Engineers

Build and manage data pipelines, handle on-chain/off-chain data syncing, and support analytics infrastructure.

๐Ÿ”น Technical Consultants

Support architecture planning, tech stack decisions, and ensure scalable infrastructure for Web3 components.

๐Ÿ”น QA Testers

Design automated and manual tests for dApps, smart contracts, and APIs. Ensure performance, reliability, and bug-free releases.

๐Ÿ”น Security Specialists

Audit smart contracts, secure backend/frontend systems, and implement Web3-specific security practices.

๐Ÿ“ Location:

Fully Remote - Work from anywhere

HQ: Portland, Oregon, USA

โœจ Why Join Us?

Join a rapidly growing project in an exciting and innovative space

Work with a talented, globally distributed team

Flexible working hours

Opportunity to grow into leadership roles

Help shape the core technology of a next-gen Web3 ecosystem

๐Ÿ“ฌ How to Apply:

If you're interested in any of the roles, please submit your CV, portfolio, or GitHub profile.

Responsibilities

    Requirements

    • Blockchain (intermediate)
    • 3+ years of commercial experience
    • Formal education: nice to have
    • English (intermediate)

    Technology stack

    Web3BlockchainReactEthers.js

    What we offer

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