11 of 11 Permanent Smart Contracts Jobs in London

Blockchain Architect

Hiring Organisation
Luxoft
Location
London, United Kingdom
contract development, and integrating blockchain with enterprise systems. Responsibilities Design and implement blockchain architectures and decentralized applications (DApps). Develop smart contracts using platforms like Ethereum, Hyperledger Fabric, Corda, or Polygon. Define consensus algorithms and token economics. Set up blockchain infrastructure including nodes and networks. Ensure … blockchain solution design, architecture, and implementation. Expertise in blockchain platforms such as Ethereum, Hyperledger Fabric, Corda, or Polygon, with hands-on experience in smart contract development. Strong proficiency in programming languages (Solidity, Go, Java, Python, or Rust) for blockchain application development. Proven ability to design decentralized applications (DApps ...

Senior Smart Contract Developer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Develop and audit secure smart contracts for DeFi protocols and Web3 applications. Expertise in Solidity, Vyper, and blockchain security best practices. Experience with DeFi protocols and tokenomics design. 8+ years smart contract development required. WHY WORK WITH US (SERIOUSLY THO) ------------------------------------ Join a team that … Antarctica who really wants to buy crypto but can't Learning \& Growth We'll teach you stuff that'll make you sound smart at parties. Blockchain, DeFi, NFTs - you'll be the life of every tech meetup Collaborative Culture Our team is like a really good Discord server ...

Solutions Architect, Digital Platforms, Google Cloud

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
office clearance, trade reconciliation, and identifying or mitigating transaction settlement risks. Experience designing and implementing Distributed Ledger Technology (DLT) solutions and smart contracts within regulated Financial Market Infrastructures (FMIs), including managing the lifecycle of tokenized assets. Preferred qualifications Experience using AI tools to significantly increase personal coding ...

Full Stack Engineer, Blockchain

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Science (B.Sc.) or equivalent degree/experience. Blockchain and Web3 experience are a must — including deep understanding of transaction lifecycles, consensus mechanisms, smart contract interactions, and on‐chain data. Proven experience working across multiple blockchain ecosystems — EVM‐compatible chains (Ethereum, Polygon, Arbitrum, Base, etc.) as well ...

Solutions Architect, Web3 and Digital Asset, Google Cloud

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
TradFi companies managing stakeholder concerns and identifying where DLT provides the most commercial value. Expertise in advanced Web3 concepts, including smart contracts (e.g., solidity), zero‐knowledge proofs, and consensus mechanisms, including their associated security challenges. Knowledge of the exchange business, including high‐frequency trading and how decentralized ...

Founding Blockchain Engineer for Pet Web3 Platform (Remote)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
smart contract adoptions, on‐chain insurance. Open Roles Founding Blockchain Engineer ($100–150/hr). Own Web3 architecture — smart contracts, API layer, data indexing, team leadership. Solidity Developer ($70–120/hr). Write & deploy ERC‐721/1155 contracts. Upgradeable patterns. Foundry/ ...

Lead Product Manager, Tokenization

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
essential asset operations (e.g., issuance, burning, pausing) and manage configurable multi-organizational approval workflows. Manage the automation of corporate actions via smart contracts, including dividends, stock splits, proxy voting, and revaluation. Manage the overall product strategy and roadmap, ensuring alignment with all internal and external stakeholders. Secure … with at least 3 years focused on blockchain, tokenization, or digital assets. Blockchain Knowledge: Strong command of token standards (ERC-20, Token 2022), smart contract patterns, and compliance-aware protocols with embedded transfer restrictions. AI/LLM Proficiency: You don’t just read about AI; you use it. ...

Technical Project Manager, Tokenize & Core

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
with remote or globally distributed teams Strong understanding of tokenization platforms and core infrastructure services, including blockchain fundamentals, digital asset lifecycle, smart contracts, wallet and custody solutions, identity and access management, system integrations. Benefits We believe a happy, motivated, and healthy team is the best ...

Senior Software Engineer, Unified Platform - Digital Assets

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
this role. Cryptoassets, digital-asset operations, or custody/wallet platforms (or closely adjacent high-stakes money-movement systems) DeFi, smart contracts, staking, or other on-chain systems Full-stack development with Python (FastAPI) Strong relational data modeling fundamentals GitOps and Kubernetes Job orchestration systems (Airflow, Prefect ...

Senior Blockchain Architect: Lead DApps & Enterprise Systems

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
lead the design and implementation of decentralized solutions. The role involves working with various blockchain platforms, including Ethereum and Hyperledger, and developing smart contracts. The ideal candidate has over 8 years of IT experience, with at least 4-5 years in blockchain architecture, strong programming skills, and experience ...

CTO - Derivnex

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
consensus. Derivnex is DRW’s institutional platform for on-chain OTC derivatives lifecycle management, built on the permissioned Canton Network using the DAML smart-contract model. The platform transforms matched OTC trades into private, versioned smart-contract state with cryptographic attestation and immutable auditability. Margin, settlement … into production institutional markets. Role Overview The CTO will define and execute the technical vision for Derivnex, leading platform architecture, distributed systems engineering, smart-contract infrastructure, security, and operational resilience. This leader will work closely with trading, operations, legal, and external counterparties to build secure, scalable, regulator-ready ...