2 of 2 Contract Smart Contracts Jobs in London

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
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. Ensure scalability, performance, and alignment with enterprise architecture standards. Implement security best practices (smart contracts, node communication, key management). Define data privacy, identity, and access management models. Ensure compliance with regulatory frameworks (e.g. GDPR, KYC/AML, data sovereignty). Establish governance models including node ...

Blockchain Architect/lead

Hiring Organisation
Randstad Technologies Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£350 - £500/day Negotiable
platforms (e.g., Ethereum, Hyperledger Fabric, Corda, Polygon, Avalanche) based on enterprise needs. Hands-on Engineering: Actively contribute to the development of smart contracts and core components. Integration & Scaling: Define API layers, node data flows, and enterprise integration patterns for legacy systems. Security & Governance: Implement strict security best … software engineering and enterprise architecture. Blockchain Expertise: 3+ years of dedicated, hands-on 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 ...