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    JavaScript Node.js Developer for Blockchain Projects

    A reputable technology firm is urgently seeking a Javascript Developer to join their team in London. The ideal candidate will have around 1 year of commercial experience, be proficient in Functional JavaScript, and have a working knowledge of Node.js, React/Redux, and Express. Attention to detail and an understa ...

    NodeJs Developer

    Role & Responsibility Outstanding experience in Node.jsExperience with Node.js frameworks (e.g. Express, Koa, Hapi, Loopback)Experience with unit testingExperience with front end JavaScript frameworks (e.g. React, Angular)Experience wi ...

    NodeJs Developer

    Role & Responsibility Outstanding experience in Node.jsExperience with Node.js frameworks (e.g. Express, Koa, Hapi, Loopback)Experience with unit testingExperience with front end JavaScript frameworks (e.g. React, Angular)Experience wi ...

    Senior Nodejs Developer

    Overview About Lavanda: Lavanda is an award-winning UK proptech scale-up and leader in flexible living technology solutions. Our clients include CA Ventures, JLL, Scape, iQ, Greystar, Europa Capital, Aberdeen Standard Investments and many others. Lavanda is a SaaS technology platform first and for ...

    Blockchain Developer Ethereum/ TypeScript/ JavaScript/ Web3 Blockchain & AI Start up £100k

    Opus Recruitment Solutions provided pay range This range is provided by Opus Recruitment Solutions. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Direct message the job poster from Opus Recruitment Solutions <h ...

    JavaScript Node.JS Developer Blockchain in London Quant Capital

    Job Opportunity: Javascript Developer Todas Quant Capital is urgently looking for sulphical top talents in the field of Javascript Development to gereg joining our prestigious client. Our client, a small London-based firm, is seeking Javascript Developers with a background in: < ...

    Javascript Developer

    This range is provided by Propel. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range My client is a Subscription ecommerce business and currently a Shopify-based business looking to start expanding into building more custom solu ...

    Javascript Developer

    Overview We’re looking for an experienced Shopify Technical Architect to join our growing Shopify practice. In this role, you’ll lead the design and delivery of scalable Shopify Plus eCommerce solutions , helping clients translate business requirements into robust technical architec ...

    Javascript Developer

    We’re partnering with a well-established publishing organisation undergoing a major digital and AI-led transformation . With a strong global presence, they’re investing heavily in modern engineering and intelligent systems to reshape how content is created, discovered and delivered. ...

    Blockchain Senior Developer

    We're looking for a Senior Blockchain Developer to lead the development of our blockchain-based financial solutions. You'll be responsible for designing and implementing secure, scalable blockchain applications that integrate with our AI platform. Responsibilities Design and develop block ...

    Javascript Developer TypeScript

    Fintech - Scaling Product - Modern Stack - Hybrid 1 day per week A rapidly scaling fintech (B2B marketplace) is searching for a Software Engineer experienced in Payments to help build the next generation of financial infrastructure powering businesses around the world. If you love solving c ...

    Junior JavaScript Developer

    Overview This is a great opportunity to join a collaborative, agile environment working on high-traffic web platforms and customer-facing applications , with real exposure to full-stack development. You can be a Grad or Junior and will get support from a team of 12 at every step of the way ...

    Senior JavaScript Developer

    This Senior JavaScript Developer role is with a startup who are one of fastest growing in their field. They’ve just gone through a round of funding and need to up their productivity so are looking for an extra pair of hands to join their team in Mayfair.Good amount of tech on site including Python, Rea ...

    Senior JavaScript Developer

    This Senior JavaScript Developer role is with a startup who are one of fastest growing in their field. They’ve just gone through a round of funding and need to up their productivity so are looking for an extra pair of hands to join their team in Mayfair.Good amount of tech on site including Python, Rea ...

    Remote Blockchain Developer UniAPT

    Develop and optimize UNIAPT’s proprietary Blockchain toolset, including wallet analyzers, gas fee reducers, and NFT collection generators. Implement multi-layer encryption, such as lattice-based and post-quantum secure, across our ecosystem. Collaborate on smart contract integration for in-en ...

    Blockchain Developer DeFi Specialist

    About the job Blockchain Developer - DeFi Specialist Job brief Our leading Web3 client is seeking a talented Blockchain Developer with a specialization in decentralized finance (DeFi) to join their team. In this role, you will play a crucial part in designing, developing, and integrating blo ...

    Full Stack Blockchain Developer

    Sprytech 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 full stack blockchain developer to jo ...

    NodeJS Developer in London Quant Capital

    Requirements: At least 2 years of software development experience, which may have occurred at school. Proficiency in the following technologies:HTML5, TypeScript/JavaScript, NodeJS. Experience in building responsive web applications using React. Experience in testing through Uni ...

    Fintech NodeJS Developer Hybrid & Growth Focused

    Experience & Skills Experience may have occurred at school. HTML5 TypeScript/JavaScript NodeJS Proficiency in building responsive web applications using React. Testing through Unit to Integration test suites with tools like Junit, Cucumber, and Selenium. S ...

    Front End JavaScript Developer

    Position: Front End JavaScript Developer Reports to: Front End Development Team Lead Hours: 40 hours Location: 3 days in North London office (Monday – Wednesday) Salary: £60 - £80,000 + elig ...

    Front End JavaScript Developer

    Position: Front End JavaScript Developer Reports to: Front End Development Team Lead Hours: 40 hours Location: 3 days in North London office (Monday – Wednesday) Salary: £60 - £80,000 + elig ...

    AWS & JavaScript Cloud Developer

    A leading technology firm in Greater London is seeking an AWS & JavaScript Developer to design, develop, and maintain cloud-based applications. The ideal candidate will excel in both frontend and backend development, showcasing advanced JavaScript skills. In this role, you will collaborate in an Agile environmen ...

    Front End JavaScript Developer

    Position: Front End JavaScript Developer Reports to: Front End Development Team Lead Hours: 40 hours Location: 3 days in North London office (Monday – Wednesday) Salary: £60 - £80,000 + elig ...

    JavaScript Developer (Media Network)

    WE ARE Opinov8 is a technology service provider, with an Opinion in Innovation , we engage with our clients at any stage in their product engineering and innovation goals, with solutions being mainly collaborative and outcome-driven. We are driven by delivering value , for our clients, th ...

    NodeJS Developer Fintech in London Quant Capital

    Experience & Skills Experience may have occurred at school. HTML5 TypeScript/JavaScript NodeJS Proficiency in building responsive web applications using React. Testing through Unit to Integration test suites with tools like Junit, Cucumber, and Selenium. S ...

    Software Engineer (NodeJS/TypeScript) for Trading Systems

    Harrington Starr is seeking an experienced Software Engineer specialized in NodeJS and TypeScript to join their innovative Digital Currency Investment Platform team in London. This role offers an exciting opportunity to work on cutting-edge trading systems and analytics, contributing within a small, specialized ...

    Intermediate React Developer (React.js/JavaScript)

    The Intermediate React Developer is a member of a small, highly focused team, responsible for building modern, sophisticated applications using leading edge technologies. This is an opportunity to work with skilled developers in London and apply your craft in an environment that encourages creative thinkin ...

    Intermediate React Developer (React.js/JavaScript)

    4 weeks ago Be among the first 25 applicants Get AI-powered advice on this job and more exclusive features. Who we are: For over 20 years, Global Relay has set the standard in enterprise information archiving with industry-leading cloud archiving, surveillance, eDiscovery, ...

    AWS & JavaScript Developer eDV Cleared

    Introduction At IBM CIC, we provide technical and industry expertise to a wide range of public and private sector clients in the UK. A career in IBM CIC means you'll have the opportunity to work with leading professionals across multiple industries to improve the hybrid cloud and AI journ ...

    Contract Full Stack JavaScript Developer

    Location: 3 days per week in London Office Duration: 4 weeks with a longer term extension afterwards. You’ll be joining a small, high‑calibre team building a platform to improve workflows within the FinTech space. They have a genuinely interesting problem at the intersection ...

    Software developer in test – Javascript

    Job Description You Will - · Help Shape Test Strategy for the testing team. · Identify the right kind of tests for each level of the testing pyramid · Pair with developers in designing contract tests for both consumer and producer · Provide s ...

    Software developer in test – Javascript

    Job Description You Will - · Help Shape Test Strategy for the testing team. · Identify the right kind of tests for each level of the testing pyramid · Pair with developers in designing contract tests for both consumer and producer · Provide s ...

    Rust Developer | Crypto/Blockchain Trading Technology

    Rust Developer | Crypto/Blockchain Trading Technology Location: London, UK - 5 days a week in office required Package: Base + Bonus + Equity We are working closely with a profitable, venture-backed crypto tech company based in London, who specialize i ...

    Scala/Java Developer — Fintech & Blockchain (London)

    Scala / Java Developer Fintech / Blockchain Cryptocurrency London, United Kingdom Quant Capital is urgently looking for a Scala, Functional Developer, or Java Developer to join our team. If you are an exceptional programmer in any language, please apply! £100,000 pa + b ...

    Remote DeFi Blockchain Developer Dex & Swaps

    A leading tech recruitment firm is looking for a talented Blockchain Developer specializing in decentralized finance (DeFi). In this role, you will design and develop blockchain solutions for DeFi protocols, ensuring adherence to industry standards. You should have a degree in Computer Science and experience wit ...

    Software Developer – PHP, JavaScript, AWS ID42845

    Overview Our client is seeking a skilled Software Developer to work with modern, scalable technologies and contribute to high-availability, high-throughput systems. Responsibilities Build and optimise systems using PHP 8+ with frameworks such as Laravel or S ...

    Front End Developer – 6 month Contract – Central London

    Front End Developer – 6-month Contract – Central LondonLocation – Central LondonDay Rate - £500-550Duration – 6 MonthsIndustry – E-commerceTech Stack – JavaScript, RESTful APIs, HTML/CSS/SVG/CANVAS, TDD, D3 Are you a Front End Developer? If you’re ...

    Front End Developer – 6 month Contract – Central London

    Front End Developer – 6-month Contract – Central LondonLocation – Central LondonDay Rate - £500-550Duration – 6 MonthsIndustry – E-commerceTech Stack – JavaScript, RESTful APIs, HTML/CSS/SVG/CANVAS, TDD, D3 Are you a Front End Developer? If you’re ...

    Software Engineer (NodeJS, Typescript)

    Build cloud software that matters, grow your technical depth, and use modern AI tooling to do your best work. This is a hands‑on engineering role for someone who enjoys solving product problems, writing clean code, and helping services run reliably at scale. You’ll work on secure, s ...

    Software Engineer NodeJS TypeScript

    Software Engineer - NodeJS - TypeScript Salary: £60,000 - £100,000 plus bonus and benefits. NodeJS, JavaScript, TypeScript, Cloud Tech, Terraform, AWS. Harrington Starr has partnered with an innovative Digital Currency Investment Platform Company that specialise in developing uniq ...

    Blockchain Architect

    Sprytech 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 gr ...

    Blockchain Engineer

    We are currently exclusively retained by a layer one protocol who are looking to hire askilled Blockchain Developer to join their team and contribute to the development of their cutting-edge blockchain solutions. The ideal candidate will be responsible for designing, implementing, and maintaining blockchai ...

    Blockchain Engineer

    About MoonPay Hi, we’re MoonPay. We’re here to onboard the world to the decentralized economy by making digital money move as universally and effortlessly as the internet. Why? Because crypto, stablecoins and blockchain aren’t just technologies. They’re tools for global financial ...

    Blockchain Engineer

    SovTech is now Scrums.com! Same company, new name. We are looking for an experienced Senior Engineer with experience in DeFi and Blockchain to join our world-class team. Are you looking to become part of a team that is changing the way businesses across the world build software? Our mission is t ...

    Blockchain Engineer

    About ArgentArgent aims to be crypto’s defining company: the first to bring the benefits of self-custody to a global audience. Giving people control of their assets and identity, and helping them to enjoy new economic opportunities.To do this we’ve built the . As different f ...

    Blockchain Engineer

    We specialise in the recruitment of high quality candidates in the Blockchain sector. We have an excellent opportunity for a skilled Blockchain Engineer on a remote basis. The role holder will develop applications solutions and smart contracts. Remote Contract, 6-12 months: £130,000 - £180,000 (p ...

    Blockchain Engineer

    We specialise in the recruitment of high quality candidates in the Blockchain sector. We have an excellent opportunity for a skilled Blockchain Engineer on a remote basis. The role holder will develop applications solutions and smart contracts. Remote Contract, 6-12 months: £130,000 - £180,000 (p ...

    Blockchain Engineer

    About ArgentArgent aims to be crypto’s defining company: the first to bring the benefits of self-custody to a global audience. Giving people control of their assets and identity, and helping them to enjoy new economic opportunities.To do this we’ve built the . As different f ...

    QA Developer in the Revolutionary Blockchain Space

    QA Developer in the Revolutionary Blockchain Space Job Openings QA Developer in the Revolutionary Blockchain Space About the job QA Developer in the Revolutionary Blockchain Space Do you have a passion for breaking codes and a keen eye for finding bugs? Are you ready to ...

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      Javascript Nodejs Developer For Blockchain Projects Jobs in London Job Search Guide, Trends and Insights