1 to 25 of 46 Permanent Smart Contracts Jobs in England

skilled Blockchain Developer & Specialist with expertise in Ethereum. The ideal candidate will have in-depth knowledge of Ethereum’s ecosystem, including smart contracts, decentralized applications (dApps), and token standards. This role focuses on designing and implementing robust blockchain-based solutions, including tokenized asset platforms, DeFi solutions … enterprise blockchain integrations. Key Responsibilities Develop, deploy, and maintain smart contracts on the Ethereum blockchain using Solidity. Develop, deploy, and maintain smart contracts on the Ethereum blockchain using Solidity. Implement tokenization solutions using ERC standards (e.g., ERC-20, ERC-721, ERC-1155). Collaborate ...

will bring deep technical expertise and a proactive approach to solving complex on-chain challenges. Responsibilities 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 … 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 ...

solution architecture for the Thought Machine implementation, from high-level design through to detailed technical design.- Design product models (Smart Contracts), ledger structures, and the configuration approach within Vault Core.- Define the integration architecture between Thought Machine and surrounding systems (payments, channels, cards, data platforms, regulatory … Architect/Technical Architect in core banking or financial services systems integration.- Hands‐on experience with Thought Machine Vault Core — including Smart Contracts, the data model, and the platform's API/integration model.- Strong understanding of retail and/or corporate banking products (deposits, lending, current ...

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 ...

threat detection, and incident response across complex environments. You will collaborate with cross-functional teams to implement advanced detection capabilities for smart contracts and digital assets, while driving continuous security improvements aligned with industry best practices and #J-18808-Ljbffr ...

building on public or permissioned blockchain platforms (e.g., Solana, Ethereum/EVM, Hyperledger, Polkadot, Cosmos, Avalanche, Canton) Understanding of cryptographic protocols, smart contracts, or key management Experience with AWS services and cloud-native architectures Interest in front office or trade-processing environments within financial services #J ...

APIs, microservices, and other system integrations to support workflow orchestration, front-end applications and blockchain interactions. Work closely with blockchain architects to implement smart contract integration and other blockchain-specific backend components. Ensure backend systems meet performance, scalability, and security requirements. Develop database schemas, manage migrations, and optimise ...

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 ...

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 ...

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 ...

consensus clients) or validator and staking infrastructure. Understanding of proof‐of‐stake mechanisms. Experience building blockchain indexers, data pipelines, dApps, or smart contracts (Solidity). Familiarity with AI‐assisted development workflows: spec‐driven development, code generation tools, MCP, or agent‐based paradigms. Contributions to open‐source projects. … protective benefits for employees, partners, and other dependents Competitive family planning benefits for US employees Opportunities to learn about the Crypto industry Smart, entrepreneurial, and fun colleagues Free daily snacks and weekly breakfasts/lunches Employee Resource Groups Free coaching and counseling sessions through Headspace Galaxy respects diversity ...

generative AI, agentic solutions, distributed ledger technologies and blockchain-enabled platforms; including model and data protection, AI risk controls, prompt and output security, smart contract assurance, tokenization, wallet/key management, privacy, auditability, regulatory alignment, and integration with enterprise identity, data, cloud and application security controls. Cloud & Infrastructure ...

Delta Capita Group is seeking a Blockchain Developer to design, build and deploy distributed ledger and smart contract solutions for financial services clients. You will work across Ethereum, Hedera, Algorand, and MACH Chain to deliver secure, scalable decentralised applications. The role requires hands-on experience with Solidity ...

particularly interested in engineers who have hands-on experience working with ecosystems such as: EVM/Ethereum-compatible environments Canton Solana Smart contracts and blockchain-based applications Blockchain infrastructure and integrations Distributed ledger technology On-chain data and transaction processing Digital asset platforms High-throughput ...

both models run in one product Digital assets How tokenisation changes that Blockchain basics: tokens, wallets, public and permissioned networks, and what a smart contract does Tokenised funds, real-world assets and on-chain cash such as stablecoins DeFi concepts that affect fund servicing: on-chain settlement, delivery ...

technology, with hands-on experience with public or private blockchain solutions Demonstrated expertise in Daml, the Canton Network, or comparable distributed-ledger and smart-contract technologies Outstanding client relationship skills, with the ability to establish credibility and serve as a trusted advisor to demanding and senior client stakeholders ...

including hackathons or side projects) Familiarity with common web3 libraries such as ethers.js, viem, or similar client libraries for interacting with smart contracts Strong understanding of performance optimization, responsive design, accessibility, and web standards Experience integrating with backend APIs and collaborating with cross-functional platform/infra ...

dashboards to support investment decisions. Work alongside portfolio managers and quantitative researchers to prototype, backtest, and productionise new trading strategies. Integrate exchange APIs, smart-contract data, and market feeds into scalable infrastructure that supports systematic and discretionary strategies. Contribute to the automation of portfolio operations, including rebalancing, monitoring ...

product hosting and capacity planning decisions Ensure auditability, resilience, and operational robustness Distributed Ledger & Digital Assets: Work with distributed ledger technologies and smart contracts. Design models for: Tokenised assets Natively digital assets Atomic settlement DvP and RvP mechanisms Central bank digital currency (CBDC) integration concepts Evaluate trade-offs ...

What You’ll Do*** Execute technical investigations including blockchain analytics, fund flow tracing and data analysis — with structured upskilling in crypto analytics tools.* Review Smartcontracts and Blockchain platforms.* Support delivery of Risk Framework and Due Diligence mandates with quality-controlled outputs.* Prepare client-ready reports, expert summaries and analytical workpapers. ...

What You’ll Do Execute technical investigations including blockchain analytics, fund flow tracing and data analysis — with structured upskilling in crypto analytics tools. Review Smartcontracts and Blockchain platforms. Support delivery of Risk Framework and Due Diligence mandates with quality‐controlled outputs. Prepare client‐ready reports, expert summaries and analytical workpapers. ...

role as Tonk grows. Core responsibilities include: Implementing cutting‐edge cryptographic systems across diverse tech environments. Designing and architecting protocols. Secure and efficient smart contract development. Frontend development. Requirements Agility to touch all parts of the stack, from frontend to database and distributed systems. Familiarity with applied cryptography … Expertise in designing and deploying distributed systems. Deep understanding of relevant protocols and the general landscape of blockchain infrastructure. Expertise deploying smart contracts to mainnet. Prior work on software dev infra and tooling. You have a personal portfolio site and/or active Github with active projects ...

digital wallet architectures. Experience building high-precision event metering pipelines, usage-based billing engines, outcome verification systems, or revenue attribution tools. Experience with smart contract bridges, cryptography (public-key encryption, signatures, hashes), or hybrid fiat/crypto payment infrastructure. Open-source contributions to payment systems, agent protocols ...

Aave is looking for a Protocol Security Researcher to help build its internal protocol security function. The role sits at the intersection of smart contract security, protocol design, adversarial research, and AI-assisted review. You will help assess major protocol changes before deployment, maintain security context across Aave … make an impact: Review major Aave protocol changes before external audit or deployment Perform attacker-driven analysis of smart contracts, protocol mechanisms, and integrations Participate in design and architecture discussions early enough to influence security-relevant decisions Identify risks in Aave-adjacent systems, including assets, bridges, oracles ...