8 of 8 Solidity Jobs in London

Smart Contract Developer

Hiring Organisation
CryptoIEX
Location
London, UK
Employment Type
Full-time
updated on industry trends in blockchain technology. Qualifications Experience with Smart Contract development and blockchain technologies, particularly Ethereum or other major platforms. Proficiency in Solidity, Vyper, or other smart contract programming languages. Understanding of blockchain architecture, cryptography, and decentralized systems. Ability to conduct comprehensive code testing, audits, and reviews ...

Contract Solidity Developer

Hiring Organisation
Opus Recruitment Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £700 per day
Contract Solidity Developer Location: 5 Days p/w Onsite? Duration: 18-Month Contract? IR35: Inside IR35? Rate: £500p/d - £900p/d ?? Option to convert to permanent after contractOpus is partnering with a leading investment bank on an exciting new venture, the project is due to start … Ethereum, and cutting-edge digital solutions. To kick things off, they’re assembling a small, elite team and are on the lookout for experienced Solidity Developers who can help shape the future of digital finance. Key Responsibilities Contribute to the design and development of smart contract solutions for digital assets. ...

Contract Solidity Developer

Hiring Organisation
Opus Recruitment Solutions Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 500 - 900 Daily
Contract Solidity Developer Location: 5 Days p/w Onsite Duration: 18-Month Contract IR35: Inside IR35 Rate: £500p/d - £900p/d Option to convert to permanent after contract Opus is partnering with a leading investment bank on an exciting new venture, the project is due to start … Ethereum, and cutting-edge digital solutions. To kick things off, they're assembling a small, elite team and are on the lookout for experienced Solidity Developers who can help shape the future of digital finance. Key Responsibilities Contribute to the design and development of smart contract solutions for digital assets. ...

Contract Solidity Developer

Hiring Organisation
Opus Recruitment Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £700 per day
Contract Solidity Developer Location: 5 Days p/w in London? Duration: 12 Month Contract? IR35: Outside IR35? Rate: £500p/d - £700p/dOpus is partnering with a leading investment bank on an exciting new venture, which is due to kick off in 2026.They’re building a Digital Assets … Ethereum, and cutting-edge digital solutions. To kick things off, they’re assembling a small, elite team and are on the lookout for experienced Solidity Developers who can help shape the future of digital finance.If you’ve worked with Solidity and have written smart contracts on Ethereum and other compatible ...

Solidity Engineer – Junior / Mid-Level

Hiring Organisation
Plexus Resource Solutions
Location
City of London, London, United Kingdom
Solidity Engineer (London/Paris/Amsterdam)- Hybrid We’re working with a crypto startup focused on on-chain securitisation who are looking for a Solidity engineer to help build secure, scalable smart-contract systems that support real-world financial applications. You’ll work across the stack, contribute … practices across all layers of development. Contribute to broader product architecture and technical decision-making. Requirements 2 years of hands-on experience building advanced Solidity contracts and using modern tooling (Foundry, established patterns, EIPs, etc.). Strong security mindset. Solid understanding of Git workflows and CI/CD pipelines. Strong ...

Solidity Engineer – Junior / Mid-Level

Hiring Organisation
Plexus Resource Solutions
Location
London Area, United Kingdom
Solidity Engineer (London/Paris/Amsterdam)- Hybrid We’re working with a crypto startup focused on on-chain securitisation who are looking for a Solidity engineer to help build secure, scalable smart-contract systems that support real-world financial applications. You’ll work across the stack, contribute … practices across all layers of development. Contribute to broader product architecture and technical decision-making. Requirements 2 years of hands-on experience building advanced Solidity contracts and using modern tooling (Foundry, established patterns, EIPs, etc.). Strong security mindset. Solid understanding of Git workflows and CI/CD pipelines. Strong ...

Blockchain Developer - Smart Contracts

Hiring Organisation
Oscar
Location
City of London, London, United Kingdom
contract solutions. This will be a hands-on role focused on smart contract development across multiple blockchain ecosystems, with a strong emphasis on Ethereum (Solidity) or Solana (Rust), and exposure to DAML-based enterprise platforms is highly valued. Location: London (1 day onsite, 4 WFH) Contract: 6 Months (OIR35) Rate … What You'll Be Working On: Designing, developing and maintaining smart contracts/on-chain programs Building solutions on Ethereum (Solidity) or Solana (Rust) Contributing to enterprise distributed ledger workflows (DAML-based platforms) Collaborating with engineers and product teams on architecture, security and scalability Reviewing, testing, and improving smart contract ...

Blockchain Developer - Smart Contracts

Hiring Organisation
Oscar
Location
London Area, United Kingdom
contract solutions. This will be a hands-on role focused on smart contract development across multiple blockchain ecosystems, with a strong emphasis on Ethereum (Solidity) or Solana (Rust), and exposure to DAML-based enterprise platforms is highly valued. Location: London (1 day onsite, 4 WFH) Contract: 6 Months (OIR35) Rate … What You'll Be Working On: Designing, developing and maintaining smart contracts/on-chain programs Building solutions on Ethereum (Solidity) or Solana (Rust) Contributing to enterprise distributed ledger workflows (DAML-based platforms) Collaborating with engineers and product teams on architecture, security and scalability Reviewing, testing, and improving smart contract ...