Blockchain Developer (Web3 / dApps)

JR United Kingdom; Colchester; Remote; GBP 50,000 - 80,000; Full time

Job summary

A leading IT client seeks a Blockchain Developer specializing in Web3 and decentralized applications for a remote, 3-month rolling contract. The ideal candidate will have extensive experience in smart contract development and will work closely with UX and product teams to enhance user interactions and optimize performance.

Benefits

Fully remote position

3-month rolling contract with strong extension potential

Qualifications

• 3+ years of hands-on experience in blockchain development.
• Proven experience with Solidity, Ethereum-based contracts, and dApps.
• Familiarity with wallet integration patterns.

Responsibilities

• Develop and deploy smart contracts for DeFi and NFT platforms.
• Integrate Web3 libraries with frontend dApps.
• Collaborate with UX designers for optimal user interactions.

Skills

Blockchain Development

Solidity

Smart Contracts

Web3 Integration

User Experience Collaboration

Security Optimizations

Tools

Web3.js

Ethers.js

MetaMask

WalletConnect

Job description

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Blockchain Developer (Web3 / dApps), colchester

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Client:

V7 Recruitment

Location:

colchester, United Kingdom

Job Category:

Other

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EU work permit required:

Yes

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Job Views:

13

Posted:

09.06.2025

Expiry Date:

24.07.2025

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Job Description:

Blockchain Developer (Web3 / dApps)

V7 is supporting a leading client in the IT space who is seeking a Blockchain Developer with deep expertise in building secure, user-focused decentralised applications. This is a fully remote, 3-month rolling contract (outside IR35) focused on developing Web3 infrastructure and smart contract solutions in close collaboration with UX and product teams.

Key Responsibilities:

• Develop and deploy smart contracts for DeFi, NFTs, or tokenized platforms (Solidity, EVM-compatible)
• Integrate Web3 libraries (e.g. Web3.js, Ethers.js) with frontend dApps and wallet providers
• Collaborate with UX designers to ensure seamless and intuitive interactions between smart contracts and user interfaces
• Optimize smart contracts for security, performance, and low gas usage
• Maintain clear documentation and participate in audits and peer reviews

Key Requirements:

• 3+ years of hands-on experience in blockchain development
• Proven track record with Solidity, Ethereum-based contracts, and dApp development
• Familiarity with wallet integration patterns (MetaMask, WalletConnect, etc.)
• Understanding of decentralised user flows and Web3 security best practices
• Experience working in cross-functional teams, especially alongside UX designers and frontend developers
• Bonus: Knowledge of Layer 2 solutions, The Graph, or decentralised storage (IPFS/Filecoin)

What’s on Offer:

• Fully remote position
• 3-month rolling contract (strong extension potential)