1 to 25 of 62 Smart Contracts Jobs in England

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 ...

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 ...

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 ...

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 ...

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. ...

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. ...

product logic and work closely with Product Managers, Business Analysts, Architects, QA and engineering teams. Key Responsibilities Develop and maintain Vault Smart Contracts for Lending and Savings products. Translate business requirements into scalable, maintainable product logic. Implement interest, accruals, repayments, fees, payment allocation, balances and lifecycle events. … governance and regulatory standards. Essential Skills & Experience Strong software development experience, preferably Python . Hands-on experience with Thought Machine Vault Smart Contracts . Experience developing and testing complex financial/business logic. Good understanding of banking products and financial calculations. Experience with automated testing/ ...

product logic and work closely with Product Managers, Business Analysts, Architects, QA and engineering teams. Key Responsibilities Develop and maintain Vault Smart Contracts for Lending and Savings products. Translate business requirements into scalable, maintainable product logic. Implement interest, accruals, repayments, fees, payment allocation, balances and lifecycle events. … governance and regulatory standards. Essential Skills & Experience Strong software development experience, preferably Python . Hands-on experience with Thought Machine Vault Smart Contracts . Experience developing and testing complex financial/business logic. Good understanding of banking products and financial calculations. Experience with automated testing/ ...

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 ...

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 ...

robust, testable product logic and work closely with Product Managers, Business Analysts, Architects, QA and engineering teams.Key ResponsibilitiesDevelop and maintain Vault Smart Contracts for Lending and Savings products.Translate business requirements into scalable, maintainable product logic.Implement interest, accruals, repayments, fees, payment allocation, balances and lifecycle events.Support product migration … modern engineering practices.Strong analytical, problem-solving and communication skills.Experience working in multidisciplinary Agile teams.Strong understanding of Volt Core, including: Smart Contracts and Vault APIsPosting instructionsBalances and dimensionsScheduled events and hooksInterest accrual/applicationAccount lifecycle managementDesirable ExperienceLending and/or Savings product implementation.Legacy-to-Vault product migration.Interest rates ...

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 ...

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 ...

user funds and protocol integrity. The role has significant ownership and autonomy across offchain infrastructure and components that interact closely with smart contracts and onchain state. You will also work closely with Quant Engineers. Quant owns the financial models, assumptions, validation, and calibration. Backend owns the production … Experience with cross-chain blockchain indexing or large-scale data ingestion Experience designing constraint, optimization, solver, or allocation systems Experience reading smart contracts and integrating with EVM-based protocols Experience operating financial systems where correctness and reliability affect capital Hands-on experience with Kafka and ClickHouse ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

required to help solve technical problems or design particularly sensitive areas of the system. Required Skills and Experience Experience in writing smart contracts for blockchain frameworks such as Hedera Hashgraph, Hyperledger, Ethereum, Tezos and Corda. Engage directly with the customers development team, understand their specific business ...

required to help solve technical problems or design particularly sensitive areas of the system. Required Skills and Experience Experience in writing smart contracts for blockchain frameworks such as Hedera Hashgraph, Hyperledger, Ethereum, Tezos and Corda. Engage directly with the customers development team, understand their specific business ...

such as AWS Aurora, MSK, S3, and IAM.Basic understanding of cloud networking concepts.Blockchain Integration and InteroperabilityUnderstanding of blockchain fundamentals, including consensus mechanisms and smart contracts.Knowledge of interoperability protocolsExperience integrating blockchain solutions with existing enterprise systems.Familiarity with cross-chain communication and bridging technologies.Awareness of security considerations in blockchain integration ...

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 ...

Engineer.Bachelor of 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 ...