851 to 875 of 1,033 ECMAScript Jobs in London

involved in greenfield platform development for a global high demand high transaction payments gateway. The frontend development of their web platform in HTML5, Javascript, angular.js and CSS3 and the backend in ASP.NET MVC and noSQL (which will be gained in experience)Day to day the developer will:Monolithic architecture replacement … best training and development packages in the market, all inclusive.My client is based in Central LondonASP.NET MVC, sql, mvc, .net, Angulkar.js, javascript, greenfield, RESTful webservices, public facing APIs and multi-tenant architectures ...

Javascript .net Fullstack Web Application DeveloperQuant Capital is urgently looking for a Javascript .net Fullstack Web Application Developer to join our high profile client.Our client is the world leader in Market data management systems, with clients globally such as most of the major investment banks. Their team in Tunbridge … impressive performance and productivity benefits of React, we have chosen to gradually phase out these older frameworks. We use open source JavaScript libraries extensively, most notably Lodash, Plotly Charts and React Virtualized.Postman covers API level testing. Full stack integration testing is handled by a proprietary test rig that utilises Selenium. ...

Ruby/JavaScript Web Developer – Rails Fintech 50 Quant Capital is urgently looking for a Ruby/JavaScript Web Developer to join our high profile client.Our client is a brand new investment firm driven by technology. They are well known in the media as solving one of the common problems … applications communicating with a Java API. The developer will be working within an Agile team to design and deliver high quality applications.The Ruby/JavaScript Web Developer will also be responsible for:To design and develop new applications working in collaboration with existing team membersTo maintain and enhance the existing ...

Javascript Developer – Node.jsup to 55K + 10% bonusQuant Capital is urgently looking for junior level right the way to senior level Javascript Node.JS Developer to join our rapidly growing and high profile client.My client is a luxury online fashion house based in London, they are pegged … fastest growing ecommerce platforms in Europe and are building a new unrivalled platform and application using cutting edge open source technologies.As a Javascript Node.JS Developer you will be a part of building this new open source cloud-based application and platform.As a Javascript Node.JS Developer you MUST have:Solid experience ...

initiatives to enhance development processes and workflows. Required qualifications, capabilities and skills Proficiency in React framework Building applications using React Native in TypeScript or JavaScript Native application development across Android/iOS in Kotlin/Swift Understanding of REST APIs and GraphQL Ability to write testable, clean JavaScript code Comfortable … design systems, component libraries, and implementing consistent UI/UX across large-scale applications Preferred qualifications, capabilities and skills Formal training or certification on JavaScript concepts and proficient advanced experience Strong knowledge of JavaScript, TypeScript, and ES6+ syntax Familiarity with writing unit tests Ability to work in a dynamic, agile ...

debugging technical systems and experience in web security- Experience working in an Agile environment using the Scrum methodology- Knowledge of a front-end language (Javascript, CSS, HTML, etc.)- Experience using JavaScript frameworks such as angular and reactAmazon is an equal opportunities employer. We believe passionately that employing a diverse workforce ...

Ruby Developer – HTML5, Rails Javascript, TDD Quant Capital is urgently looking for a Ruby Developer to join our high profile client.Our client is in this year’s fintech50 and well known to disrupt the global payments and Foreign exchange markets.The position is for a hands mid level or senior Ruby … making serious money doing something you are passionate about.My client is based in Central LondonRuby, Java, Ruby on Rails, CSS, HTML5, Linux REST, Javascript Lead Ruby Developer ...

applications using React Native/Expo in TypeScript or JavaScriptStrong knowledge of React Native architectureUnderstanding of REST APIs and GraphQLAbility to write testable, clean JavaScript codeComfortable working with projects partially or fully using TypeScriptUsing latest React features such as Suspense and HooksEnd to end testing applications with WebdriverIO/Playwright … experience with design systems, component libraries, and implementing consistent UI/UX across large-scale applicationsPreferred qualifications, capabilities and skillsFormal training or certification on JavaScript concepts and proficient advanced experienceStrong knowledge of JavaScript, TypeScript, and ES6+ syntaxExperience in modern web development, including responsive design and performance optimizationNative application development across ...

Junior Ruby Developer – HTML5, Rails Javascript, TDD Quant Capital is urgently looking for a Junior Ruby Developer to join our high profile client.Our client is in this year’s fintech50 and well known to disrupt the global payments and Foreign exchange markets.The position is for a hands Junior Ruby Developer … making serious money doing something you are passionate about.My client is based in Central LondonRuby, Java, Ruby on Rails, CSS, HTML5, Linux REST, Javascript ...

selection of more advanced courses to get you up to speed. Learn the Command Line (1.5 weeks) Learn Git & GitHub (1.5 weeks) Learn JavaScript (1.5 weeks) Learn Python 3 (1.5 weeks) JavaScript forms the foundation of almost everything you see on the Internet, so it will be essential! Python ...

selection of more advanced courses to get you up to speed. Learn the Command Line (1.5 weeks) Learn Git & GitHub (1.5 weeks) Learn JavaScript (1.5 weeks) Learn Python 3 (1.5 weeks) JavaScript forms the foundation of almost everything you see on the Internet, so it will be essential! Python ...

selection of more advanced courses to get you up to speed. Learn the Command Line (1.5 weeks) Learn Git & GitHub (1.5 weeks) Learn JavaScript (1.5 weeks) Learn Python 3 (1.5 weeks) JavaScript forms the foundation of almost everything you see on the Internet, so it will be essential! Python ...

selection of more advanced courses to get you up to speed. Learn the Command Line (1.5 weeks) Learn Git & GitHub (1.5 weeks) Learn JavaScript (1.5 weeks) Learn Python 3 (1.5 weeks) JavaScript forms the foundation of almost everything you see on the Internet, so it will be essential! Python ...

selection of more advanced courses to get you up to speed. Learn the Command Line (1.5 weeks) Learn Git & GitHub (1.5 weeks) Learn JavaScript (1.5 weeks) Learn Python 3 (1.5 weeks) JavaScript forms the foundation of almost everything you see on the Internet, so it will be essential! Python ...

Javascript Developer – Node.jsup to 55K + 10% bonusQuant Capital is urgently looking for junior level right the way to senior level Javascript Node. JS Developer to join our rapidly growing and high profile client. My client is a luxury online fashion house based in London, they are pegged … fastest growing ecommerce platforms in Europe and are building a new unrivalled platform and application using cutting edge open source technologies. As a Javascript Node. JS Developer you will be a part of building this new open source cloud-based application and platform. As a Javascript Node. JS Developer ...

Senior Full Stack Lead Engineer ReactJS, TypeScript, JavaScript, C#/.NET Banking LondonThis is a new and exclusive opportunity for a Senior Full Stack Lead Engineer/software developer with expertise across ReactJS, TypeScript, JavaScript, C#/.NET to join this investment Banking client as they expand their full stack … software developer team in London city.Role detailsTitle: Senior Full Stack Lead Engineer Technical stack: ReactJS, TypeScript, JavaScript, C#/.NET Employer: investment BankingLocation: London City and home working hybrid 50/50%Permanent role, salary 90,000- 130,000 plus bonusThis is a new opportunity for a Senior Full Stack ...

needed.Preferred qualificationsPhD in Science, Technology, Engineering, or Mathematics (STEM), or a comparable area of study.Experience deploying enterprise-scale applications.Proficient Software development expertise with JavaScript and Python.Proficient with Git or other version control software.Experience working with JavaScript frameworks such as React, Redux, Vue, Backbone, or Angular.C3 AI provides excellent benefits ...

qualificationsPhD in Science, Technology, Engineering, or Mathematics (STEM), or a comparable area of study. Experience deploying enterprise-scale applications. Proficient Software development expertise with JavaScript and Python. Proficient with Git or other version control software. Experience working with JavaScript frameworks such as React, Redux, Vue, Backbone, or Angular. ...

Front End React Developer, React, JavaScript, NW London to £80K A leading financial software company are looking for a great JavaScript developer who is proficient with React js. Your primary focus will be on developing user interface components and implementing them following well-known React js workflows, specifically Redux ...

Team Lead Ruby/Frontend DeveloperQuant Capital is urgently looking for a Lead Frontend Ruby or JavaScript Developer to join our high profile client.Our client is a brand new investment firm driven by technology. They are well known in the media as solving one of the common problems … test coverage to maintain qualityThe project will be stabilising the development of their web based platform which is built on Java and AWS EC2 Javascript and Ruby. This project will involve getting to know the platform and then adding greenfield functionality as well as brining the platform together. ...

Tech: JavaScript, ASP.NET MVC 5, Entity Framework Code First, Restful API, Angular, SQL, Azure Challenge: Greenfield platform, API development, industry specific challenges Firm: Well-known Insuretech business, City of London, 5 man flat Dev Team Pay: 75k, Bonus- 750 training budget, Pension, Life/Health, Some Flex WorkingFullStack ASP.NET Developer … resulting from cooperation with the team and our customers • You will need to establish testing procedures and where possible automate testingCandidates must have: JavaScript ASP.NET C# T-SQL HTML5 CSS JQueryThis is a unique opportunity for someone to expand further into financial technology. You should be driven and interested ...

systems such as Blueprint, Material-UI, or similar.Strong frontend coding skills used to write clean, effective code, regardless of framework, and existing proficiency in JavaScript and understanding of how web technologies work.Familiarity with data structures, loading patterns, frontend frameworks, and other technical tools and concepts.Proficiency with programming languages such … JavaScript/TypeScript, or similar languages.Strong written and verbal communication skills.Life at PalantirWe want every Palantirian to achieve their best outcomes, that’s why we celebrate individuals’ strengths, skills, and interests, from your first interview to your longterm growth, rather than rely on traditional career ladders. Paying attention ...

experience working as a Web Software Engineer, Front End Engineer or Full Stack Engineer with 4-6 years of experience. Strong commercial experience with JavaScript and TypeScript. Hands-on development experience with React. Experience working across modern web applications and platforms. Strong problem-solving and debugging skills. Excellent communication … stakeholder management abilities. Comfortable working within agile delivery teams. Required Tech Stack TypeScript JavaScript React Next.js HTML5 CSS3 Nice to Have Experience with performance optimisation. PHP (WordPress) Familiarity with CI/CD pipelines. Experience working with large-scale customer-facing applications. Understanding of modern web architecture and best practices. Experience ...

such as Blueprint, Material-UI, or similar. Strong frontend coding skills used to write clean, effective code, regardless of framework, and existing proficiency in JavaScript and understanding of how web technologies work. Familiarity with data structures, loading patterns, frontend frameworks, and other technical tools and concepts. Proficiency with programming languages … such as JavaScript/TypeScript, or similar languages. Strong written and verbal communication skills. Life at PalantirWe want every Palantirian to achieve their best outcomes, that's why we celebrate individuals' strengths, skills, and interests, from your first interview to your longterm growth, rather than rely on traditional career ladders. ...

days per week in the office (DMGT HQ - High Street Kensington, London) Position: Permanent About the Role We are looking for a skilled JavaScript/TypeScript Engineer to join our Ads and Commercial Development team. In this role, you will build and optimize the high-performance, low-latency infrastructure that … rely heavily on heavy UI frameworks, this position focuses deeply on the inner workings of the browser . You will write highly efficient vanilla JavaScript, interface directly with browser APIs, and manage the containerised infrastructure that serves our commercial products at scale. Role-Related Knowledge: Browser Internals: Deep understanding ...