126 to 150 of 465 Blockchain Jobs in the UK

integrated into Solana DeFi.We are seeking a Senior QA SDET to take a technical role in shaping the quality and reliability of our blockchain protocol. You will work closely with protocol engineers and smart contract developers to design, execute and automate testing for blockchain applications and decentralized systems.Responsibilities … automation of Web3 wallet workflows, addressing complex testing challenges 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 ...

98718083024Posted: 2026-08-28Location: London, England, United KingdomCategory: Technology, Applications Development, ProfessionalCompany: Citi26983945 Senior Blockchain Engineer - Digital Assets Platform Discover your future at CitiWorking at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from … have the opportunity to grow your career, give back to your community and make a real impact.Job OverviewAn Digital Assets Platform Senior Blockchain Engineer must be a highly motivated and proactive hands-on software engineer (Back End, Java Focus), have a proven ability and experience working with web applications ...

Janus Henderson Investors seeks a leader to establish the initial Digital Asset Operations governance and operating model, coordinating across risk, compliance, technology and business units in a regulated environment. You will shape the control framework ...

Pinoeer TechLabs is a Blockchain development company. The company has developed several Blockchain applications and is highly involved in innovative projects such as Pharmachain, IOT Firmware upgrade and Hedera Hashgraph. To support our growth, we are currently looking to recruit a Blockchain Architect to join our growing team based … 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 and technology challenges ...

Pinoeer TechLabs is a Blockchain development company. The company has developed several Blockchain applications and is highly involved in innovative projects such as Pharmachain, IOT Firmware upgrade and Hedera Hashgraph. To support our growth, we are currently looking to recruit a Blockchain Architect to join our growing team based … 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 and technology challenges ...

chain data (e.g., Solidity, web3 libraries, node providers such as Infura/Alchemy, or running your own nodes). Familiarity with how connectivity with blockchain networks and nodes work (e.g., Bitcoin, Ethereum and EVM‐compatible chains, Layer 2s), including transaction construction, broadcasting, monitoring for confirmations/reorgs, and reconciliation … with multiple localizations and currencies (crypto or fiat). Show us your Github/Stack Overflow/app portfolio - bonus points for crypto/blockchain projects! #ICBCareers #ICBEngineering ABOUT US J.P. Morgan is a global leader in financial services, providing strategic advice and products to the world's most prominent ...

forward-thinking BlockchainSpecialist to join our 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 … token exchanges, and DeFiprotocols Integrateblockchain technologies with existing platforms and APIs Conductcode reviews and perform security audits on smart contracts Staycurrent with Web3 developments, blockchain frameworks, and governancemechanisms Workcollaboratively with product teams, designers, and DevOps to deliverscalable solutions Writetechnical documentation for architecture, design patterns, and deploymentpractices Requirements Required Skills Proficientin ...

At IBM Consulting UK FutureNow, you’ll build a career at the forefront of hybrid cloud and AI, working with leading clients across the public and private sectors. You’ll collaborate with top industry professionals ...

Description: The Security Guardian – Blockchain & Smart Contract Security, Vice President, provides cyber risk management advisory services to the digital product line of business within State Street. This role is responsible for working closely with the development teams and aligned cybersecurity peers in protecting digital assets and blockchain systems by identifying … platform owners. Provide expert guidance and recommendations to senior management on security matters, including risk mitigation solutions, new attack vectors and prevention, and 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 ...

# Senior Software Engineer, Blockchain Protocolsat Chainalysis • United Kingdom (Remote)Back to jobs1. Home2. Jobs3. United Kingdom4. Senior Software Engineer, Blockchain Protocols## Quick answerSenior Software Engineer, Blockchain Protocols at Chainalysis in United Kingdom (Remote) — confirm sponsorship on the employer application page. Apply directly and prepare your ATS resume before submitting. … applying.* Browse more roles in United Kingdom via the country jobs hub.* Use the ATS resume checker before you apply.—C## Senior Software Engineer, Blockchain ProtocolsChainalysis10R&DFull-timeUnited Kingdom (Remote)Apply Job### Job DescriptionThe engineering team at Chainalysis is inspired by solving the hardest technical challenges and building products that ...

Citi London is seeking a Lead Web3 Engineer to join the Digital Assets Platform. You will develop backend components linked to blockchain networks, implement wallet interactions, and deploy smart contracts in a fast-paced, enterprise environment. You will collaborate with senior engineers, participate in code reviews, and contribute ...

Citi's London team seeks a Lead Web3 Engineer for the Digital Assets Platform. You will back enterprise-grade web applications, integrate with blockchain networks, and drive backend services using Java and Web3 libraries. Strong knowledge of Solidity and smart contracts is a plus. You will work in a hybrid ...

Blockchain in London is hiring a Back-End Engineer to build and operate backend services powering our cryptocurrency trading platform. You will work on order management, market data processing, and real-time client APIs, collaborating closely with product, frontend, and trading teams. Applicants should have Kotlin or Python backend experience ...

leading blockchain innovation firm is seeking a Business Development Lead in London or remote to execute their growth strategy. The role involves sourcing, negotiating, and closing high-impact partnerships within decentralized finance. Ideal candidates will have over 4 years of experience in business development within Web3 or fintech, proven success ...

Spotify platform across multiple pay-in/pay-out use cases for consumers, creators and advertisers. The team leads exploration of payment innovations including blockchain/crypto/stablecoins/CBDC & DeFi, Open Banking & A2A payments, In‐App & Platform Payments, micropayments and embedded finance, shaping the future of Spotify ...

fully remote role focuses on developing secure tools for digital assets in a post-quantum world. Key responsibilities include evolving critical core libraries, designing blockchain transaction logic, and ensuring security in cryptographic operations. Ideal candidates should have strong Rust and Typescript skills, experience in Web3 development, and proficiency in automated ...

Citigroup Inc. in London is seeking a Digital Assets Blockchain Web3 Engineer to join the CIDAP team. You will design, build, and deploy Web3-native components and integrations powering Citi's digital asset infrastructure, spanning tokenization, on-chain settlement, and protocol connectors. You will work with Java/Spring ...

foundational engineer to help build and scale ROO's platform. This role involves full-stack development, including feature shipping, API design, and integration of blockchain technology. Candidates should have over 4 years of experience with TypeScript, React/Next.js, and Node.js, and be prepared to work autonomously in an early ...

Labs builds Optimism, an open-source blockchain network powering the next generation of financial infrastructure. We are a small, mission-driven team that ships production-grade Rust systems and Ethereum-related tooling, with a remote-friendly approach and a NYC-centric center of gravity. You will own features ...

central London office. This is a startup with ample opportunity to make a real difference and impact in a company utilising the future - with blockchain and stocks paid out in crypto. For more information or a confidential chat please reach out. No CV needed. ...

technology and the possibility of making serious money doing something you are passionate about. The role is based Remotely C++ Engineering, Trading, Quant, Blockchain, Etherium, Tokens, Coins, C++, Java, Node.js, Go, Python, dYdX, Kyber, 0x, makerdao works ...

experience as a Consultant or Senior Consultant (Ideally with exposure to the US market but not mandatory) Experience working across either Data & AI or Blockchain Strong track record in new business development and client acquisition. Ability to build and scale candidate and client pipelines within a defined niche. Commercially-minded ...

traders work closely with engineers to develop tools, improve trading systems, and monitor live strategies. The team also works extensively with alternative datasets including blockchain data, order book data, funding rates, liquidity flows, and protocol-level activity to identify inefficiencies and market opportunities. Responsibilities Design, develop, and deploy systematic trading ...

Information Management, Managing Digital Business, Digital Information and Social Media, Innovation in Operations and Information Systems, Advanced Intelligent Technologies for Business (Digital Twinning, Blockchain, IoT and AI), Interpretable Machine Learning and Explainable AI.What we offer in return• 26 days holiday plus approx.16 Bank Holidays/days that the University ...

Comfortable working closely with developers, testers, product managers and client stakeholders. Desirable Experience Any of the following would be highly advantageous: Experience working with blockchain or Distributed Ledger Technology (DLT) platforms. Financial services experience, particularly within capital markets, post-trade or financial technology . Understanding of data modelling, APIs ...