1 to 25 of 30 HTML5 Jobs in the City of London

environment. You’ll work across the full stack, supported by a seasoned team lead and collaborative peers. Key Responsibilities; Build responsive and accessible web interfaces using React.js (Next.js) , JavaScript , HTML5 , and Tailwind CSS . Develop backend services and RESTful APIs using C# 9 and .NET Core . Interact with MSSQL databases via stored procedures and schema design. Own tasks end More ❯

with experienced engineers and UX designers, and help shape the future of our web platforms. What You’ll Do Build and maintain modern web apps using React.js , Next.js , JavaScript , HTML5 , and Tailwind CSS Develop backend logic and REST APIs with C# (.NET Core) Work directly with MSSQL databases (queries, schema updates, stored procedures) Deliver secure, high-performance, and maintainable features More ❯

maintain technical documentation and support deployment activities Required Skills & Experience: Proven architecture and development experience with .NET Core (v3.1 or higher), ASP.NET, and full-stack technologies Strong knowledge of HTML5, JavaScript, CSS3, React.js, AJAX, and IIS Familiarity with MS SQL Server and basic Oracle database knowledge Insurance domain expertise, with London Market experience preferred Experience with Policy Administration Systems (PAS More ❯

experience, obsess over design details, and are excited to work on cutting-edge AI interfaces that go beyond chat. Essential: Customer-centric and secure development mindset Strong proficiency in HTML5, CSS3, JavaScript (ES6+), and TypeScript Deep experience with modern front-end frameworks like React.js or Next.js Strong grasp of responsive and adaptive design principles Experience integrating APIs and working with More ❯

Principal/Senior UI Software Engineer - HTML5, React, Typescript, JS - Trading sought by leading financial services company based in the city of London. Proven experience as a senior/principal engineer in high-performance trading systems or similar domains. Demonstrable experience in HTML5, React 16/17+, Typescript4/5+, JavaScript UI Libraries such as Material UI or Ant Design. More ❯

and modules What We’re Looking For 3–6 years of front-end development experience Proficiency in React.js (or similar frameworks like Vue.js or Angular) Solid understanding of JavaScript, HTML5, and CSS3 Experience with state management tools (Redux, Context API, etc.) Familiarity with REST APIs and WebSocket integrations Passion for creating elegant, accessible user interfaces Nice to Have Experience in More ❯

invited to apply by submitting a CV and a link to a portfolio or GitHub. Required Skills: WordPress, including building custom themes/plugins Headless CMS Web markup, including HTML5, CSS, and JavaScript/TypeScript Knowledge and experience of Git Sass, Webpack, and CSS frameworks like Tailwind React/NextJS and GraphQL Working with Restful APIs HTML emails DNS records More ❯

all phases of software development including design, coding, testing, debugging, and implementation Strong knowledge of the .NET framework, object-oriented programming, multithreading, C# with exposure of VB.NET, ASP.NET MVC, HTML5, CSS3, ReactJS, Redux, WebPack Expertise in development of Azure cloud based applications using C#, .Net Core Experience with front-end frameworks (ReactJS, etc) Expertise in development of REST based WebAPIs More ❯

we are looking for: Frontend development: Experience in frontend engineering, developing and designing responsive web applications using TypeScript. Knowledge of the frontend fundamentals: Familiarity with the core technologies, including HTML5, CSS3, TypeScript and React. Design systems: Understanding of popular design systems, such as Google Material Design 3 or Apple HIG. Curiosity : An eagerness to learn and grow your skills. Problem More ❯

years of industry experience in frontend engineering, developing and designing responsive web applications using TypeScript. Excellent knowledge of the frontend fundamentals: In-depth knowledge of the core technologies, including HTML5, CSS3, TypeScript and React. Design systems: Understanding of popular design systems, such as Google Material Design 3 or Apple HIG. Curiosity : An eagerness to learn and grow your skills. Problem More ❯

years of industry experience in frontend engineering, developing and designing responsive web applications using TypeScript. Excellent knowledge of the frontend fundamentals: In-depth knowledge of the core technologies, including HTML5, CSS3, TypeScript and React. Design systems: Understanding of popular design systems, such as Google Material Design 3 or Apple HIG. Leadership : A track record of leading complex projects. Problem solving More ❯

.Net Architect - Permanent - Hybrid in London - £90-95,000pa - Insurance We need someone who is very hands-on, who has worked closely with the business on transformation, modernization, very deep understanding of Azure and .Net Technical Skills: Architect with Insurance More ❯

functional teams to deliver visually appealing, highly functional, and performance-optimised platforms that delight our users. Key Responsibilities Front-End Development: Implement new features, components, and layouts using WordPress, HTML5, CSS3, and JavaScript. Content Management: Update and maintain website content in alignment with branding and SEO strategies. Responsive Design: Ensure a flawless user experience across all devices and browsers. Performance … plugins to enhance functionality. Quality Assurance: Conduct regular testing for browser and device compatibility and resolve any issues. Essential Skills Advanced experience in WordPress front-end development. Expertise in HTML5, CSS3, JavaScript, and frameworks such as Bootstrap or Tailwind CSS. Strong understanding of responsive design principles. Familiarity with SEO best practices in front-end development. Experience with cross-browser testing More ❯

Full Stack Developer .NET, C#, Angular Material, Angular, UI, HTML5, CSS, NgRX, RXJS, .NetCore, SQL, Microservices London – Perm Role Fin-Tech - Portfolio management – £50000 - £80000 Harrington Starr has partnered with a Software Provider that is looking to hire a Senior Software Engineer with FullStack Development experience using Angular and Angular Material and C#, .NET Core to come and work on More ❯

verbal High level aptitude for technology Education to at least a BSc level or higher in Computer Science or Mathematics from a Russell Group University or equivalent. Desirable skills: HTML5, CSS, JavaScript Multi-threaded application development Understanding of Windows technologies WPF If you feel you have the skills and experience required for this opportunity, please apply or contact RyanOatley@SpectrumIT.co.uk More ❯

experience High level aptitude for technology Education to at least a BSc level or higher in Computer Science or Mathematics from a Russell Group University or equivalent. Desirable skills: HTML5, CSS, JavaScript Multi-threaded application development Understanding of Windows technologies WPF If you feel you have the skills and experience required for this opportunity, please contact Oliver Wilson on More ❯

experience High level aptitude for technology Education to at least a BSc level or higher in Computer Science or Mathematics from a Russell Group University or equivalent. Desirable skills: HTML5, CSS, JavaScript Multi-threaded application development Understanding of Windows technologies WPF If you feel you have the skills and experience required for this opportunity, please contact Oliver Wilson on (phone More ❯

technologies as such as Memcached, MongoDB and Redis. Experience with Insurance/Reinsurance Systems and Data. High level knowledge/expertise of Front-end development such as: ReactJS, Webpack, HTML5, CSS, Bootstrap, jQuery, Accessibility and Responsive Layouts UI/UX development experience. More ❯

Collaborating in an agile, cross-functional team to deliver impactful health solutions What We’re Looking For: 2+ years of professional experience with React.js Strong grasp of JavaScript (ES6+), HTML5, and CSS3 Familiarity with TypeScript, Redux, and component libraries (e.g., Material UI) Experience building accessible apps (WCAG standards knowledge is a plus) Comfortable working with RESTful APIs and Git version More ❯

designing and developing large-scale web portals and intranet applications Solid understanding of high-level system analysis and design abilities Strong hands-on experience with React.js, AngularJS, Node.js, TypeScript, HTML5, CSS Familiar with deploying web applications on web servers like NGINX or Apache Experience with agile/scrum methodology including tools like Jira Experience with using design tools such as More ❯

technologies as such as Memcached, MongoDB and Redis. Experience with Insurance/Reinsurance Systems and Data. High level knowledge/expertise of Front-end development such as: ReactJS, Webpack, HTML5, CSS, Bootstrap, jQuery, Accessibility and Responsive Layouts UI/UX development experience. More ❯

security best practices Person Specifications: - Bachelors degree in computer science or a similar field. Proven work experience as a WordPress developer. Knowledge of front-end technologies including CSS3, JavaScript, HTML5, and jQuery. Knowledge of code versioning tools including Git, Mercurial, and SVN. Experience working with debugging tools such as Chrome Inspector and Firebug. Good understanding of website architecture and aesthetics. More ❯

JavaScript(Vanilla Javascript) fundamentals , including understanding of the Document Object Model (DOM) and browser Application Programming Interfaces (APIs). · Professional experience with Angular · Familiarity with web markup languages, particularly HTML5 and CSS3. · Knowledgeable about frameworks and libraries such as NgRx, WebSocket, Express.js, nrwl, or Nest.js. · Demonstrated ability to thrive in an Agile environment. · Proficient in addressing cross-browser compatibility issues More ❯

hooks, APIs, sockets). Contribute to code and architectural reviews and mentor other engineers. What You’ll Bring: 6+ years of experience in building secure, scalable web apps using HTML5, CSS3, JavaScript, and TypeScript. Expertise with ReactJS and state management libraries (Redux, Zustand, etc.). Strong understanding of performance under high-load environments (1,000+ socket events/min). More ❯

and .NET Core Familiarity with insurance domain applications or platforms (London Market experience strongly preferred) Full-stack development experience with a strong command of front-end technologies including React.js, HTML5, CSS3, JavaScript, Ajax Substantial hands-on experience with IIS and system integration Strong understanding of architectural patterns and best practices in enterprise software design Experience working within Agile teams, with More ❯