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  • £71k - £94k per annumEstimated
     ...applications using a cutting-edge development stack. Develop complex interactions with multiple data sources, back-end systems and blockchain protocols. Ensure high-quality code and...  ...-side rendering frameworks like Nuxt, Next.js, or SvelteKit. ~ Knowledge of front-end to... 
    Blockchain
    Javascript
    Remote
    Flexible hours

    Software Engineering

    London
    a month ago
  • £77k - £100k per annumEstimated
     ...organizations. We operate at the intersection of blockchain protocol engineering and enterprise-grade...  ..., on-chain data sources, and blockchain nodes across a wide range of chains and...  ...Tron, or similar. ~ Proficiency in Node.js and TypeScript. ~ Experience designing and... 
    Blockchain
    Javascript
    Long-term contract

    Fireblocks

    London
    more than 2 months ago
  • £180k per annum

     ...over 100 countries. Day to day the Crypto Trading Developer will: • Building a Crypto Trading Platform for...  ...role is based Remotely C++ Engineering, Trading, Quant, Blockchain, Etherium, Tokens, Coins, C++, Java, Node.js, Go, Python, dYdX, Kyber, 0x, makerdao works... 
    Blockchain
    Javascript
    Remote

    Quant Capital

    London
    more than 2 months ago
  • £130k per annum

     ...Blockchain Developer REMOTE WORKING £130,000 Quant Capital is urgently looking for a Blockchain Developer to join our high profile clients...  ...role is based Remotely Blockchain, Etherium, Tokens, Coins, C++, Java, Node.js, Go, Python, dYdX, Kyber, 0x, makerdao works... 
    Blockchain
    Javascript
    Remote

    Quant Capital

    London
    more than 2 months ago
  • £71k - £94k per annumEstimated
     ...in this financial revolution! Key Responsibilities Develop and deploy enterprise-grade blockchain-integrated services including transaction indexers and automated...  ...~ Strong experience with Web3 client technologies (Viem.js), Ethereum tooling (Foundry, Hardhat), and transaction... 
    Blockchain
    Javascript
    Remote
    Flexible hours

    Software Engineering

    London
    more than 2 months ago
  • £59k - £79k per annumEstimated
     ...and Web3 solutions. We're looking for an experienced Senior Blockchain Developer to help design and build enterprise-grade digital asset platforms...  ...listeners • Develop backend services using Java/Spring and Node.js to integrate with public and permissioned blockchain networks... 
    Blockchain
    Javascript
    Full-time

    Luxoft

    London
    22 days ago
  • £81k - £110k per annumEstimated
     ...financial industry in new directions. Developers are encouraged to constantly develop and...  ...performance critical component, integrating a new blockchain, or designing a greenfield cloud based...  ..., Kafka •Frontend: Javascript, Vue.js •Deployment: Kubernetes, Nomad •Data... 
    Blockchain
    Javascript
    On-site

    LMAX Group

    London
    a month ago
  • £200k per annum

     ...of making serious money doing something you are passionate about. The role is based in the office 5 days a week. Flex start times. Linux Engineering, Trading, Quant, Blockchain, Etherium, Tokens, Coins, C++, Java, Node.js, Go, Python, dYdX, Kyber, 0x, makerdao works... 
    Blockchain
    Javascript
    On-site
    5 days/week

    Quant Capital

    London
    more than 2 months ago
  • £55k - £65k per annum

     ...marketplace, with all transactions managed through blockchain. As a result, there is far greater...  ...role itself is for a Front-End Software Developer to join the growing team. You'll help to...  ...or JQuery and have been exposed to Node.JS for the backend. Wider to this you are confident... 
    Blockchain
    Javascript
    Permanent
    On-site

    LinuxRecruit

    London
    more than 2 months ago
  • £200k per annum

     ...Quant Developer Crypto Trading £200k Plus Bonus Quant Capital is urgently looking for a Quant Developer...  ...Flex start times. Linux  Engineering, Trading, Quant, Blockchain, Etherium, Tokens, Coins, C++, Java, Node.js, Go, Python, dYdX, Kyber, 0x, makerdao works... 
    Blockchain
    Javascript
    Long-term contract
    On-site
    5 days/week

    Quant Capital

    London
    more than 2 months ago
  • £69k - £90k per annumEstimated
     ...Job Description Job Title: Blockchain / DLT Developer Developer Location: Ipswich, London or Remote...  ...working with Web3 libraries such as Web3.js, Ethers.js, or equivalent SDKs for...  ...in one or more backend languages (e.g. Node.js, Python, Go, Java) and RESTful/event-... 
    Blockchain
    Javascript
    Permanent
    Full-time
    Immediate start
    Remote

    Delta Capita

    London
    13 days ago
  • £61k - £81k per annumEstimated
     ...least 2 years. Strong experience with TypeScript across backend (Node.js/NestJS) and frontend (React/Redux) development. Proven track...  ...best practices. Interest or experience in cryptocurrency and blockchain technology. Job Benefits How We Work ~ Hybrid working... 
    Blockchain
    Javascript
    Full-time
    Hybrid working
    Remote

    Elliptic

    London
    11 days ago
  • £65k - £87k per annumEstimated
     ...the next generation of financial applications that are built on blockchain and stablecoin rails. Our API and widget-based solutions are used...  ...microservices end-to-end — design, build, deploy, and operate Node.js services (orders, payment, reconciliation, virtual accounts, payout... 
    Blockchain
    Javascript

    Transak

    London
    3 days ago
  • £105k - £134k per annumEstimated
     ...the intersection of software engineering, blockchain/DLT, and institutional finance, and is...  ...Write production-grade code, primarily in Node.js and associated frameworks (e.g. Express,...  ...-disciplinary delivery teams, managing Developers, Engineers, and Analysts. Own... 
    Blockchain
    Javascript
    Immediate start
    Flexible hours
    Shift work

    Ernst & Young

    London
    9 days ago
  • £80k - £100k per annum

    Company: ROBERT WALTERS Job Type: Permanent Salary: £80000.00 - £100000.00
    Javascript
    Permanent

    ROBERT WALTERS

    London
    25 days ago
  • £38k - £50k per annumEstimated
     ...personal projects, or a GitHub profile we can look at. Experience with data visualisation or charting. Curiosity about Web3 / blockchain and on-chain data (viem, ethers, or similar). Interest in AI / LLM tooling in production systems. What We Offer Real ownership... 
    Blockchain
    Javascript
    Full-time
    Internship
    Hybrid working
    Remote
    Flexible hours

    Software Engineering· Intern,

    London
    more than 2 months ago
  • £57k - £73k per annumEstimated
     ...i IT resilience, tworzenie rozwiązań frontendowych w React i TypeScript, rozwój usług backendowych i REST API w C#/.NET lub Node.js, pracę z SQL Server / Azure SQL oraz Microsoft Azure, przekształcanie prototypów i systemów legacy w bezpieczne, skalowalne... 
    Javascript

    SCALO

    London
    16 days ago
  • £48k - £64k per annumEstimated
     ...We are seeking an experienced Blockchain Engineer to join our engineering team and help design, build, and maintain secure, scalable, and...  ...Engineer, you will work closely with backend engineers, frontend developers, security specialists, and product teams to transform business... 
    Blockchain

    CARMLIZE LTD

    London
    4 days ago
  • £96k - £128k per annumEstimated
     ...As our DevOps Engineer, you will be helping us build and maintain blockchain networks and protocols. You will work on improving our current infrastructure including security, automation, and monitoring among other things. You will also have the chance to dive deep into new... 
    Blockchain
    Javascript
    Full-time

    stakefish

    London
    more than 2 months ago
  • £550 per day

     ...Framework REST APIs and Microservices React and JavaScript (Vue.js desirable) AWS cloud services Docker and CI/CD pipelines...  ...supporting production systems and on-call services Responsibilities: Develop and maintain applications using C#, .NET, React, Vue.js and REST... 
    Javascript
    Remote

    Hays Technology

    London
    2 days ago
  • £50k - £64k per annumEstimated
     ...Senior Software Engineer - Java, Node.js & AWS Build software that matters. Shape the future of engineering. We're looking for an...  ...are maintainable, performant and aligned with best practices. Develop and evolve RESTful APIs with a focus on security, versioning, performance... 
    Javascript
    Long-term contract
    Full-time
    Hybrid working
    On-site
    Remote
    Flexible hours

    CreateFuture

    London
    15 days ago
  • £53k - £70k per annumEstimated
     ...Blockchain is connecting the world to the future of finance. As the most trusted and fastest-growing global crypto company, it helps millions...  ...team, with deep consideration for UX and performance. Develop innovative visualizations of the user portfolio and responsive UIs... 
    Blockchain
    Javascript
    Full-time
    Apprenticeship
    On-site
    Remote
    Flexible hours

    Blockchain.com

    London
    more than 2 months ago
  • £60k per annum

     ...squads build and run it. Our core tech-stack includes Typescript, Node.JS, WebAssembly, PostgresSQL , Terraform (IaC), running in Azure / Kubernetes. If you are passionate about your work, develop consistently high-quality code, and are adept at identifying,... 
    Javascript
    Long-term contract
    Full-time
    Hybrid working
    On-site
    Immediate start
    Remote
    Flexible hours

    Our Future Health

    London
    24 days ago
  • £600 per day

     ...Senior TypeScript Engineer (Node.js, AWS Serverless), FinTech Location: London, Manchester, Leeds, Edinburgh or Bristol (flexible hybrid) Rate: £600 per day. Inside IR35 Duration: 6 months About Codurance We're a software craftsmanship... 
    Javascript
    Hybrid working
    Flexible hours

    Codurance

    London
    3 days ago
  • £54k - £69k per annumEstimated
     ...models in Postgres, vector search, and streaming queues (Kafka/SNS/SQS). Craft responsive interfaces and dashboards in React or Vue.js. Deploy containerized applications (Docker) on AWS using Terraform. Build practical, production-ready interfaces for LLMs, RAG pipelines... 
    Javascript
    Permanent
    Full-time

    Station

    London
    16 days ago
  •  ...Contract Role:   Senior Full Stack Developer |  React | Angular | Vue Contract Location: London 4-5 days onsite each week Contract...  ...JavaScript/TypeScript Solid experience in back-end technologies: Node.js / .NET / Java / Python REST APIs, GraphQL Strong... 
    Javascript
    Long-term contract
    Immediate start
    5 days/week

    Deloitte - Recruitment

    City of London, Greater London
    a month ago
  • £100k per annum

     ...deployments to production · Excellent understanding of development methodologies and modelling techniques · Technical Understanding of Microsoft .NET Framework/.NET Core, Node.js My client is based in South West London Technical Architect, React, Javascript... 
    Javascript
    Shift work

    Quant Capital

    London
    more than 2 months ago
  • Job title: Front End Developer (Vue.js / React) Contract: 12 months Location: London - Hybrid Start Date: ASAP IR35: Inside IR35 Sector: Public Sector We are currently recruiting for an experienced Front End Developer to support a major Public Sector digital programme based... 
    Javascript
    Hybrid working
    Immediate start

    LA International Computer Consultants Ltd

    Westminster, Greater London
    15 hours ago
  • £66k - £87k per annumEstimated
     ...Central London engineering team and looking for a hands-on Full Stack Developer to take direct ownership of greenfield services, building high-...  ...UIs: Create clean, responsive frontend workflows in React or Vue.js. Cloud & DevOps Ownership: Run, monitor, and scale services in... 
    Javascript
    Permanent
    Full-time
    On-site

    Station

    London
    11 days ago
  • £644 per day

     ...with GitLab, PostgreSQL, NGINX, VPN/OpenVPN, Elastic/Kibana and Windows administration. Desirable: C#, .NET, JavaScript, React, Vue.js and microservices experience. Desirable: AWS SageMaker, AI/LLM integrations and Python-based analytics tooling. Desirable: Enterprise... 
    Javascript
    Remote

    Hays Technology

    London
    5 days ago