2 of 2 Contract Solidity Jobs in London

Blockchain Architect/lead

Hiring Organisation
Randstad Technologies Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£350 - £500/day Negotiable
experience designing and delivering distributed ledger systems. Platforms & Smart Contracts: Deep technical proficiency with Ethereum, Hyperledger, or Corda , alongside smart contract development languages ( Solidity, Chaincode, DAML, or Rust ). Core Development: Strong background in languages like Java, Python, Go, or Rust . Cloud & DevOps: Solid understanding of modern cloud platforms ...

Blockchain Architect

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550/day
enterprise integration (ERP, CRM, APIs). Design token models, identity frameworks, and smart contract architectures. Contribute hands-on to development of smart contracts (Solidity, Chaincode, DAML, Rust) and core components. Build PoCs, reference implementations, and production-grade blockchain applications. Define and implement API layers and integration patterns for legacy interoperability. … Required Strong hands-on experience with blockchain platforms (Ethereum, Hyperledger, Corda, or similar). Proficiency in smart contract development and modern programming languages (e.g. Solidity, Java, Python, Go, Rust). Experience designing and delivering distributed systems and API-driven architectures. Knowledge of cloud platforms (Azure, AWS, GCP) and DevOps practices. ...