801 to 825 of 872 JavaScript Jobs in London

Location: Remote (UK-based) with meetups in London 2x per month Type: Full-time Salary: Competitive, based on experience Experience level: Mid-Senior Skills needed - PHP, Craft CMS, JavaScript, HTML, CSS The Company: We are working with a well-established UK-based print and digital publishing business with a strong presence in both traditional and online media. It's a … like Laravel, Symfony, or Yii) Solid understanding of object-oriented programming (OOP) in PHP PHP package management (e.g., Composer) Proficiency in modern HTML/CSS Good working knowledge of JavaScript (vanilla JS, jQuery; experience with Vue or React is a plus) Good knowledge of MySQL Experience with CraftCMS or similar CMS platforms (Drupal, Statamic, OctoberCMS, etc.) Experience extending CMS platforms More ❯

day-to-day operations across the platform. Key Responsibilities: Provide monthly maintenance and health checks across the web platform. Deliver system health reports and apply package/security updates (JavaScript, .NET). Support stability of the Angular front end and ensure all JS packages remain current. Maintain and troubleshoot the custom C# .NET backend API used as a wrapper for … October. Essential skills/experience: Comfortable working in a support-focused, maintenance-heavy environment with limited new development. Proven experience in front-end development with Angular. Strong knowledge of JavaScript package maintenance and security updates. Solid expertise in C# .NET, particularly in API development and integration. Familiarity with Contentful CMS and API integration. Strong DevOps skills within AWS, including scaling More ❯

D365 & Power Platform Applications Development Manager – Remote UK wide - Must be based in the UK I wanted to share a fantastic opportunity for an experienced Applications Development Manager to lead the design, development, and maintenance of cutting-edge application services More ❯

D365 & Power Platform Applications Development Manager – Remote UK wide - Must be based in the UK I wanted to share a fantastic opportunity for an experienced Applications Development Manager to lead the design, development, and maintenance of cutting-edge application services More ❯

D365 & Power Platform Applications Development Manager – Remote UK wide - Must be based in the UK I wanted to share a fantastic opportunity for an experienced Applications Development Manager to lead the design, development, and maintenance of cutting-edge application services More ❯

D365 & Power Platform Applications Development Manager – Remote UK wide - Must be based in the UK I wanted to share a fantastic opportunity for an experienced Applications Development Manager to lead the design, development, and maintenance of cutting-edge application services More ❯

D365 & Power Platform Applications Development Manager – Remote UK wide - Must be based in the UK I wanted to share a fantastic opportunity for an experienced Applications Development Manager to lead the design, development, and maintenance of cutting-edge application services More ❯

Designing and refining complex front-end architectures for real-time data visualization Working in a culture where engineering excellence and code quality are non-negotiable 🛠️ Tech Stack: Languages: TypeScript, JavaScript (ES6+) Frameworks: React, Redux (or similar) Tooling: Webpack, Babel, Jest, ESLint, Git Bonus: Experience with WebSockets, performance profiling, or custom charting libraries (e.g., D3.js, Highcharts) ✅ What They’re Looking For … Strong experience with React and modern JavaScript/TypeScript Deep understanding of front-end architecture, performance tuning, and scalable component design Experience in fast-paced environments (finance, trading, gaming, or top-tier tech) Passion for clean, maintainable code and UI craftsmanship 🌍 Why Join? Collaborate with some of the sharpest minds in trading and technology Contribute to software that drives real More ❯

Designing and refining complex front-end architectures for real-time data visualization Working in a culture where engineering excellence and code quality are non-negotiable 🛠️ Tech Stack: Languages: TypeScript, JavaScript (ES6+) Frameworks: React, Redux (or similar) Tooling: Webpack, Babel, Jest, ESLint, Git Bonus: Experience with WebSockets, performance profiling, or custom charting libraries (e.g., D3.js, Highcharts) ✅ What They’re Looking For … Strong experience with React and modern JavaScript/TypeScript Deep understanding of front-end architecture, performance tuning, and scalable component design Experience in fast-paced environments (finance, trading, gaming, or top-tier tech) Passion for clean, maintainable code and UI craftsmanship 🌍 Why Join? Collaborate with some of the sharpest minds in trading and technology Contribute to software that drives real More ❯

Designing and refining complex front-end architectures for real-time data visualization Working in a culture where engineering excellence and code quality are non-negotiable 🛠️ Tech Stack: Languages: TypeScript, JavaScript (ES6+) Frameworks: React, Redux (or similar) Tooling: Webpack, Babel, Jest, ESLint, Git Bonus: Experience with WebSockets, performance profiling, or custom charting libraries (e.g., D3.js, Highcharts) ✅ What They’re Looking For … Strong experience with React and modern JavaScript/TypeScript Deep understanding of front-end architecture, performance tuning, and scalable component design Experience in fast-paced environments (finance, trading, gaming, or top-tier tech) Passion for clean, maintainable code and UI craftsmanship 🌍 Why Join? Collaborate with some of the sharpest minds in trading and technology Contribute to software that drives real More ❯

Designing and refining complex front-end architectures for real-time data visualization Working in a culture where engineering excellence and code quality are non-negotiable 🛠️ Tech Stack: Languages: TypeScript, JavaScript (ES6+) Frameworks: React, Redux (or similar) Tooling: Webpack, Babel, Jest, ESLint, Git Bonus: Experience with WebSockets, performance profiling, or custom charting libraries (e.g., D3.js, Highcharts) ✅ What They’re Looking For … Strong experience with React and modern JavaScript/TypeScript Deep understanding of front-end architecture, performance tuning, and scalable component design Experience in fast-paced environments (finance, trading, gaming, or top-tier tech) Passion for clean, maintainable code and UI craftsmanship 🌍 Why Join? Collaborate with some of the sharpest minds in trading and technology Contribute to software that drives real More ❯

Front End React Developer, React, Javascript, NW London to £80K A leading financial software company are looking for a Front End JavaScript developer who is proficient with React.js. The role is Offcie based in North West London, Your primary focus will be on developing user interface components and implementing them following well-known React.js workflows, specifically Redux and RTK. You … future use Translating designs and wireframes into high quality code Optimising components for maximum performance across a vast array of web-capable devices and browsers Skills Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model Experience developing with typescript Thorough understanding of React.js and its core principles Experience with Redux and RTK (RTKQuery also a bonus) Familiarity More ❯

only Core Technical Skills: React Native & Expo: Proficient with React Native and Expo open source modules (bare workflow) Strong React fundamentals: hooks, context, state management React Navigation, app routing JavaScript & TypeScript Advanced JavaScript (ES6+) and TypeScript Type safety and maintainability for large-scale projects Native Platform Integration Swift (iOS) and Kotlin (Android) for custom native modules Native module integration in More ❯

years of experience working in a web development agency or in-house for a brand Experience developing for Shopify or a similar e-commerce platform Strong knowledge of modern JavaScript Ability to write well-structured, semantic, and accessible HTML Confidence writing framework-agnostic, performance-focused JavaScript Awareness of WCAG accessibility guidelines Solid understanding of front-end performance best practices Strong More ❯

years of experience working in a web development agency or in-house for a brand Experience developing for Shopify or a similar e-commerce platform Strong knowledge of modern JavaScript Ability to write well-structured, semantic, and accessible HTML Confidence writing framework-agnostic, performance-focused JavaScript Awareness of WCAG accessibility guidelines Solid understanding of front-end performance best practices Strong More ❯

years of experience working in a web development agency or in-house for a brand Experience developing for Shopify or a similar e-commerce platform Strong knowledge of modern JavaScript Ability to write well-structured, semantic, and accessible HTML Confidence writing framework-agnostic, performance-focused JavaScript Awareness of WCAG accessibility guidelines Solid understanding of front-end performance best practices Strong More ❯

years of experience working in a web development agency or in-house for a brand Experience developing for Shopify or a similar e-commerce platform Strong knowledge of modern JavaScript Ability to write well-structured, semantic, and accessible HTML Confidence writing framework-agnostic, performance-focused JavaScript Awareness of WCAG accessibility guidelines Solid understanding of front-end performance best practices Strong More ❯

years of experience working in a web development agency or in-house for a brand Experience developing for Shopify or a similar e-commerce platform Strong knowledge of modern JavaScript Ability to write well-structured, semantic, and accessible HTML Confidence writing framework-agnostic, performance-focused JavaScript Awareness of WCAG accessibility guidelines Solid understanding of front-end performance best practices Strong More ❯

Power Platform solutions. Leading role in designing solutions and implementing configurations for Power Platform and D365, pushing the capabilities where needed Hands-on experience creating custom plugins using C#, JavaScript, and creating workflows and business rules. Bringing fresh ideas for improvements and influencing how they are implemented. Create and build solutions as part of an agile team, ensuring a collaborative … approach to achieve exceptional results. Skills and Qualifications Strong experience with Microsoft Dynamics 365 CRM, including customisations and configurations. Proficiency in C# and JavaScript for plugin development and extending the platform. Proven track record in automating business processes within D365. Excellent problem-solving skills and the ability to collaborate effectively with colleagues and end users. Understanding of the full software More ❯

Power Platform solutions. Leading role in designing solutions and implementing configurations for Power Platform and D365, pushing the capabilities where needed Hands-on experience creating custom plugins using C#, JavaScript, and creating workflows and business rules. Bringing fresh ideas for improvements and influencing how they are implemented. Create and build solutions as part of an agile team, ensuring a collaborative … approach to achieve exceptional results. Skills and Qualifications Strong experience with Microsoft Dynamics 365 CRM, including customisations and configurations. Proficiency in C# and JavaScript for plugin development and extending the platform. Proven track record in automating business processes within D365. Excellent problem-solving skills and the ability to collaborate effectively with colleagues and end users. Understanding of the full software More ❯

scratch. The ideal candidate can quickly adapt to new environments, become productive fast, and deliver across Python development, automation, APIs, and database management, with some front-end work in JavaScript/React as needed. Key Qualifications: 7+ years designing and developing automation solutions in Python, with 3+ years leading reviews and ensuring quality in others' work. Hands-on experience with … Selenium, and iOS functional automation. Experience with testing activities across the entire lifecycle of the project from inception to delivery. Front-End Development: Design and implement user interfaces using JavaScript, and frameworks such as React. Back-End Development: Develop and maintain server-side logic using Python. Manage APIs and integrate third-party services and tools. Ensure application data integrity and More ❯

1. Proficiency in ui/ux design principles and tools such as adobe xd, sketch, figma, or similar 2. Strong knowledge of frontend development languages including html, css, and javascript 3. Experience with responsive design techniques and mobilefirst development 4. Familiarity with ui frameworks such as bootstrap, materialize, or foundation 5. Knowledge of software architecture patterns like mvc, mvvm, or … understanding of how to ensure these interfaces are easy to navigate, linkable, responsive, and accessible. - Proficient in design and prototyping tools like Figma - Working knowledge of HTML/CSS, JavaScript, Databases. More ❯

1. Proficiency in ui/ux design principles and tools such as adobe xd, sketch, figma, or similar 2. Strong knowledge of frontend development languages including html, css, and javascript 3. Experience with responsive design techniques and mobilefirst development 4. Familiarity with ui frameworks such as bootstrap, materialize, or foundation 5. Knowledge of software architecture patterns like mvc, mvvm, or … understanding of how to ensure these interfaces are easy to navigate, linkable, responsive, and accessible. - Proficient in design and prototyping tools like Figma - Working knowledge of HTML/CSS, JavaScript, Databases. More ❯

1. Proficiency in ui/ux design principles and tools such as adobe xd, sketch, figma, or similar 2. Strong knowledge of frontend development languages including html, css, and javascript 3. Experience with responsive design techniques and mobilefirst development 4. Familiarity with ui frameworks such as bootstrap, materialize, or foundation 5. Knowledge of software architecture patterns like mvc, mvvm, or … understanding of how to ensure these interfaces are easy to navigate, linkable, responsive, and accessible. - Proficient in design and prototyping tools like Figma - Working knowledge of HTML/CSS, JavaScript, Databases. More ❯

1. Proficiency in ui/ux design principles and tools such as adobe xd, sketch, figma, or similar 2. Strong knowledge of frontend development languages including html, css, and javascript 3. Experience with responsive design techniques and mobilefirst development 4. Familiarity with ui frameworks such as bootstrap, materialize, or foundation 5. Knowledge of software architecture patterns like mvc, mvvm, or … understanding of how to ensure these interfaces are easy to navigate, linkable, responsive, and accessible. - Proficient in design and prototyping tools like Figma - Working knowledge of HTML/CSS, JavaScript, Databases. More ❯