1 to 25 of 95 Smart Contracts Jobs in the UK

Blockchain Security Architect, Vice President

Hiring Organisation
State Street Bank
Location
London, United Kingdom
Salary
> £ 150 K
Blockchain Security Architect, you will:Perform security architecture reviews for blockchain, distributed ledger, tokenization, and digital asset initiatives.Assess blockchain platforms, smart contracts, decentralized applications, and supporting infrastructure for security risks and design weaknesses.Partner with engineering, cloud, application, and cybersecurity teams to develop secure blockchain architecture patterns … security controls.Conduct threat modeling and security assessments for blockchain platforms, smart contracts, digital asset custody solutions, and supporting services.Define security requirements for cryptographic key management, wallet security, node security, consensus mechanisms, and cross-chain integrations.Evaluate third-party blockchain platforms, vendors, and service providers from a security ...

Blockchain Security Architect, Vice President

Hiring Organisation
State Street Bank
Location
Edinburgh, Midlothian, United Kingdom
Salary
£ 120 K
Blockchain Security Architect, you will:Perform security architecture reviews for blockchain, distributed ledger, tokenization, and digital asset initiatives.Assess blockchain platforms, smart contracts, decentralized applications, and supporting infrastructure for security risks and design weaknesses.Partner with engineering, cloud, application, and cybersecurity teams to develop secure blockchain architecture patterns … security controls.Conduct threat modeling and security assessments for blockchain platforms, smart contracts, digital asset custody solutions, and supporting services.Define security requirements for cryptographic key management, wallet security, node security, consensus mechanisms, and cross-chain integrations.Evaluate third-party blockchain platforms, vendors, and service providers from a security ...

Blockchain Security Architect, Vice President

Hiring Organisation
State Street Bank
Location
Edinburgh, UK
Employment Type
Full-time
Blockchain Security Architect, you will: Perform security architecture reviews for blockchain, distributed ledger, tokenization, and digital asset initiatives. Assess blockchain platforms, smart contracts, decentralized applications, and supporting infrastructure for security risks and design weaknesses. Partner with engineering, cloud, application, and cybersecurity teams to develop secure blockchain architecture … patterns and security controls. Conduct threat modeling and security assessments for blockchain platforms, smart contracts, digital asset custody solutions, and supporting services. Define security requirements for cryptographic key management, wallet security, node security, consensus mechanisms, and cross-chain integrations. Evaluate third-party blockchain platforms, vendors, and service ...

VP Full Stack Engineer - Solidity (smart contracts on Ethereum/blockchain) & Angular / Java

Location
City Of London, England, United Kingdom
Contract Role - VP Full Stack Engineer - Solidity (smart contracts on Ethereum/blockchain) & Angular/Java - London/Onsite - 12 months initial - Inside IR35 We are looking for 3 experienced VP-level Software Engineers to join the team as contractors on an immediate basis. The team … development , with the remaining 30% covering Java or Solidity-related development. Role Overview Job Title: VP Full Stack Engineer - Solidity (smart contracts on Ethereum/blockchain) & Angular/Java Location: Onsite - 5 days onsite per week in London Contract Type: Contract Duration: 12 months initial Rate ...

VP Full Stack Engineer – Solidity (smart contracts on Ethereum/blockchain) & Angular / Java

Hiring Organisation
Atrium Workforce Solutions Ltd
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£632.00 - £750.00 per day
Contract Role – VP Full Stack Engineer – Solidity (smart contracts on Ethereum/blockchain) & Angular/Java – London/Onsite – 12 months initial – Inside IR35 We are looking for 3 experienced VP-level Software Engineers to join the team as contractors on an immediate basis. The team … development , with the remaining 30% covering Java or Solidity-related development. Role Overview: Job Title: VP Full Stack Engineer – Solidity (smart contracts on Ethereum/blockchain) & Angular/Java Location: Onsite – 5 days onsite per week in London Contract Type: Contract Duration: 12 months initial Rate ...

Blockchain Software Developer - Digital Assets Platform

Hiring Organisation
Citigroup
Location
London, United Kingdom
Salary
£ 80 K
design, development, and deployment of Web3-native components and integrations that power Citi's digital asset infrastructure — spanning tokenization, smart contracts, on-chain settlement, and blockchain protocol integrations. You will work within a collaborative, globally distributed team of engineers, architects, and business technologists who are building … patterns with enterprise-grade software standards.Key ResponsibilitiesDesign, develop, and deploy Web3 components and integrations for Citi's Digital Asset Platform, including smart contracts, on-chain event listeners, wallet integrations, and blockchain protocol connectorsBuild and maintain backend services that interface with public and permissioned blockchain networks (e.g., Ethereum ...

Blockchain Software Developer - Digital Assets Platform

Location
Greater London, England, United Kingdom
design, development, and deployment of Web3-native components and integrations that power Citi's digital asset infrastructure — spanning tokenization, smart contracts, on-chain settlement, and blockchain protocol integrations. You will work within a collaborative, globally distributed team of engineers, architects, and business technologists who are building … enterprise-grade software standards. Key Responsibilities Design, develop, and deploy Web3 components and integrations for Citi's Digital Asset Platform, including smart contracts, on-chain event listeners, wallet integrations, and blockchain protocol connectors Build and maintain backend services that interface with public and permissioned blockchain networks (e.g. ...

Blockchain Software Developer - Digital Assets Platform

Location
Greater London, England, United Kingdom
design, development, and deployment of Web3-native components and integrations that power Citi's digital asset infrastructure - spanning tokenization, smart contracts, on-chain settlement, and blockchain protocol integrations. You will work within a collaborative, globally distributed team of engineers, architects, and business technologists who are building … enterprise-grade software standards. Key Responsibilities Design, develop, and deploy Web3 components and integrations for Citi's Digital Asset Platform, including smart contracts, on-chain event listeners, wallet integrations, and blockchain protocol connectors Build and maintain backend services that interface with public and permissioned blockchain networks (e.g. ...

Blockchain & Smart Contract Security , Vice President

Hiring Organisation
State Street Bank
Location
London, United Kingdom
Salary
£ 70 K
securing blockchain architecture and decentralized applications. Strong technical expertise in at least three focus areas specifically in Multi-Cloud, AI, Blockchain, Smart Contracts and cryptography. Fundamental understanding of data structures and algorithms. Strong technical knowledge in network security, product security, and data protection. Strong conceptual understanding … secure architecture/design principles related to blockchain and smart contracts. Proven experience auditing and securing blockchain platforms and smart contracts based applications Strong knowledge of common vulnerabilities and their mitigations in blockchain and smart contracts platforms Beneficial to have secure programming ...

Smart Contract Developer

Location
Greater London, England, United Kingdom
other engineering teams to deliver core banking capabilities across Lending and Savings. Key Responsibilities Design, develop and maintain Thought Machine Vault Smart Contracts for Lending and Savings products and associated product features. Translate business and product requirements into scalable and maintainable Smart Contract implementations. Develop … Product Owners to clarify requirements, identify edge cases and define expected product behaviour. Collaborate with architecture and engineering teams to ensure Smart Contracts integrate correctly with surrounding services and platforms. Develop comprehensive automated tests covering product rules, scenarios, boundary conditions and regression behaviour. Participate in code reviews ...

Blockchain Specialist

Location
Greater London, England, United Kingdom
client’s growing Web3 and decentralised applications(dApps) team. You will be responsible for designing, developing, andimplementing blockchain-based solutions, including smart contracts , tokensprotocols , and DeFi integrations, with a strong emphasis on Ethereal , Solidity , and distributed ledger technologies . This is a high-impact role working … cutting-edge projects.in FinTech , digital identity , and decentralised finance (DeFi) ecosystems. Job Responsibilities Designand develop smart contracts using Solidity on Ethereal andcompatible blockchains Createand deploy dApps , including wallets, token exchanges, and DeFiprotocols Integrateblockchain technologies with existing platforms and APIs Conductcode reviews and perform security audits on smart ...

Senior Risk Management Specialist, Digital Assets (Blockchain Technology Focus)

Hiring Organisation
Northern Trust
Location
London, United Kingdom
Salary
£ 80 K
will be responsible for identifying, assessing, monitoring, and mitigating risks associated with distributed ledger technologies (DLT), digital asset products, tokenisation initiatives, smart contracts, custody solutions, and emerging blockchain ecosystems.The successful candidate will bring a strong combination of risk management expertise, regulatory knowledge, and a deep understanding … oversight of a rapidly evolving digital asset landscape.Key ResponsibilitiesRisk Identification & AssessmentAssess risks associated with blockchain protocols, digital asset infrastructure, custody solutions, smart contracts, tokenisation platforms, and emerging technologies.Conduct risk reviews of new digital asset products, services, partnerships, and strategic initiatives.Monitor developments across digital assets, DeFi, stablecoins, tokenised ...

Senior Risk Management Specialist, Digital Assets (Blockchain Technology Focus)

Hiring Organisation
Northern Trust
Location
London, UK
Employment Type
Full-time
will be responsible for identifying, assessing, monitoring, and mitigating risks associated with distributed ledger technologies (DLT), digital asset products, tokenisation initiatives, smart contracts, custody solutions, and emerging blockchain ecosystems. The successful candidate will bring a strong combination of risk management expertise, regulatory knowledge, and a deep understanding … rapidly evolving digital asset landscape. Key ResponsibilitiesRisk Identification & AssessmentAssess risks associated with blockchain protocols, digital asset infrastructure, custody solutions, smart contracts, tokenisation platforms, and emerging technologies. Conduct risk reviews of new digital asset products, services, partnerships, and strategic initiatives. Monitor developments across digital assets, DeFi, stablecoins, tokenised ...

Senior Risk Management Specialist, Digital Assets (Blockchain Technology Focus)

Location
Greater London, England, United Kingdom
will be responsible for identifying, assessing, monitoring, and mitigating risks associated with distributed ledger technologies (DLT), digital asset products, tokenisation initiatives, smart contracts, custody solutions, and emerging blockchain ecosystems.The successful candidate will bring a strong combination of risk management expertise, regulatory knowledge, and a deep understanding … rapidly evolving digital asset landscape.**Key Responsibilities****Risk Identification & Assessment*** Assess risks associated with blockchain protocols, digital asset infrastructure, custody solutions, smart contracts, tokenisation platforms, and emerging technologies.* Conduct risk reviews of new digital asset products, services, partnerships, and strategic initiatives.* Monitor developments across digital assets, DeFi ...

Blockchain Developer

Hiring Organisation
Fruition Group
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
engineers, product managers and client stakeholders to deliver secure, scalable and high-performance decentralised applications. Key Responsibilities Design, develop and deploy smart contracts and decentralised applications across Ethereum, Hedera, Algorand and proprietary blockchain infrastructure. Develop blockchain solutions tailored to financial services and capital markets clients. Contribute … support delivery. About You Hands-on experience working with security tokens on distributed ledgers. Proven experience developing and deploying Ethereum smart contracts using Solidity . Experience with Hedera (Solidity/Hedera Token Service) or Algorand (PyTEAL/TEAL/ARC standards). Strong understanding of blockchain fundamentals ...

DAML Developer / Distributed Ledger Engineer – Canton Network

Location
Wrexham, Wales, United Kingdom
Ledger Engineer – Canton Network****Location:** Wrexham, UK (Hybrid: 2–3 days in office) **Contract:** 9 monthsAre you an expert in **DAML smart contracts** with hands-on experience on the **Canton Network**### **What You’ll Do**Develop and maintain **DAML smart contracts**, ensuring privacy ...

Blockchain / DLT Developer Developer

Hiring Organisation
Delta Capita
Location
London, United Kingdom
Salary
£ 80 K
will bring deep technical expertise and a proactive approach to solving complex on-chain challenges.RequirementsResponsibilities include:Design, develop, and deploy smart contracts and decentralised applications across Ethereum, Hedera, Algorand, and MACH Chain (our proprietary blockchain).Design and implement blockchain-based solutions tailored to the specific requirements … experienced Blockchain Developer, you will have:Experience working specifically with security tokens on distributed ledgers.Proven hands-on experience developing and deploying smart contracts on Ethereum (Solidity) and familiarity with at least one of Hedera (Solidity/Hedera Token Service) or Algorand (PyTEAL/TEAL/ARC standards ...

Senior Web3 SDET

Hiring Organisation
R3
Location
London, United Kingdom
Salary
£ 80 K
such as wallet integrations, transaction validation and end-to-end blockchain interactionsDevelop and execute comprehensive test plans and test cases for smart contracts, transactions and wallet integrations workflowsCollaborate with developers, product managers, and DevOps engineers in Agile ceremonies to ensure test coverage aligns with business needsLog, prioritize … ideally on Solana6-10 years of hands-on experience in Manual QA techniques and Test automation roles, ideally in Agile environmentsTesting smart contracts, transactions and wallet integrationsProficient in using test automation frameworks and tools such as:UI Testing: Selenium, Cypress/JavaScript/Typescript, AppiumAPI Testing: REST ...

Blockchain Architect – Distributed Systems & Smart Contracts

Location
Greater London, England, United Kingdom
This permanent role involves collaboration with engineers and designers to develop innovative blockchain applications. Candidates should possess strong experience in writing smart contracts and designing distributed systems, with at least 5 years in software development. A degree in a relevant field is required. The company offers ...

Blockchain Threat Intelligence VP: Secure Smart Contracts & Assets

Location
Greater London, England, United Kingdom
firm's blockchain infrastructure. You will work with cross-functional teams to develop proactive security strategies, advance detection capabilities for smart contracts, and drive continuous improvement in digital asset security. #J-18808-Ljbffr ...

Senior Lead Software Engineer- Back End- Madrid

Location
Greater London, England, United Kingdom
apps to provide the best investment experience for our clients. Our team is at the heart of this venture, focused on getting smart ideas into the hands of our customers. We're looking for people who have a curious mindset, thrive in collaborative squads, and are passionate about … fees (e.g., gas), tokens (e.g., ERC‐20 and equivalents), and the distinction between custodial and non‐custodial models. Experience with smart contracts and/or reading on‐chain data (e.g., Solidity, web3 libraries, node providers such as Infura/Alchemy, or running your own nodes). Familiarity ...

Lead Web3 Engineer - Digital Assets Platform

Hiring Organisation
Citigroup
Location
London, United Kingdom
Salary
£ 80 K
including node connectivity, transaction submission, on-chain event monitoring, and wallet interactions — using enterprise Java and Web3 librariesWrite, test, and deploy smart contracts in Solidity or equivalent languages, following established security and quality standardsBuild and maintain APIs and microservices that expose blockchain functionality to upstream platform consumers … Methodology and Scrum is a plusCompetencies/SkillsBlockchain Development Proficiency: Practical, hands-on ability to develop software that interacts with blockchain networks — from smart contract deployment to on-chain/off-chain data integrationStrong Software Engineering Fundamentals: Solid command of data structures, algorithms, design patterns, and software development ...

Lead Web3 Engineer - Digital Assets Platform

Location
Greater London, England, United Kingdom
node connectivity, transaction submission, on‐chain event monitoring, and wallet interactions — using enterprise Java and Web3 libraries Write, test, and deploy smart contracts in Solidity or equivalent languages, following established security and quality standards Build and maintain APIs and microservices that expose blockchain functionality to upstream platform … Scrum is a plus Competencies/Skills Blockchain Development Proficiency: Practical, hands‐on ability to develop software that interacts with blockchain networks — from smart contract deployment to on‐chain/off‐chain data integration Strong Software Engineering Fundamentals: Solid command of data structures, algorithms, design patterns, and software ...

Lead Web3 Engineer - Digital Assets Platform

Location
Greater London, England, United Kingdom
node connectivity, transaction submission, on-chain event monitoring, and wallet interactions — using enterprise Java and Web3 libraries* **Write, test, and deploy smart contracts** in Solidity or equivalent languages, following established security and quality standards* **Build and maintain APIs and microservices** that expose blockchain functionality to upstream platform … Scrum is a plus**Competencies/Skills*** **Blockchain Development Proficiency:** Practical, hands-on ability to develop software that interacts with blockchain networks — from smart contract deployment to on-chain/off-chain data integration* **Strong Software Engineering Fundamentals:** Solid command of data structures, algorithms, design patterns, and software ...

Java Fullstack Developer, Assistant Vice President

Hiring Organisation
State Street Bank
Location
London, United Kingdom
Salary
£ 80 K
into UI and API behaviour.Hands-on experience with Web3/blockchain-adjacent concepts and how enterprise platforms integrate with them (e.g., smart contracts/dApps integration concepts), especially in financial services contexts.Exposure to high-scale data/integration patterns commonly used in financial services platforms (streaming such … them manage risk, respond to challenges, and drive performance and profitability. We keep our clients at the heart of everything we do, and smart, engaged employees are essential to our continued success.We are committed to fostering an environment where every employee feels valued and empowered to reach their ...