76 to 95 of 95 JavaScript Jobs in the City of London

.NET Developer (Tech stack: .NET Developer, .NET 9, C#, Blazor, Azure, JavaScript, HTML5, CSS3, Agile, Programmer, Full Stack Engineer, Architect, .NET Developer) Established in 1962 our client is a leading global media company; its commercial arm comprises of some of the largest television channels across the Globe and market leading cinema screen advertising businesses. We are seeking several .NET Developer … SQL. You should have a strong grasp of object orientated (OO) development principles. Our client can provide you with industry recognized training in: .NET 9, Blazor, EF Core, Azure, JavaScript, HTML5, CSS3, Agile, TDD, BDD and MongoDB. You will follow a structured a career development programme with the view to being promoted to the position of Team Leader/Development More ❯

.NET Developer - Global Sports Company - London (Tech stack: .NET Developer, .NET 9, C#, Blazor, Azure, JavaScript, HTML5, CSS3, Agile, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client is a global sports brand that operates in over 115 countries worldwide. They are the biggest sports company in Europe and the second largest on the planet! Over the past 30 years … .NET Developer that have a strong background in .NET, .NET Core/ASP.NET MVC, C# and Azure SQL. Training will be provided into: .NET 9, Blazor, EF Core, Azure, JavaScript, HTML5, CSS3, Agile, TDD, BDD, Azure SQL and MongoDB. All positions come with the following benefits: 15% bonus Generous pension Private healthcare Training allowance of £9,700 per year Free More ❯

.NET Developer (Tech stack: .NET Developer, .NET 9, C#, Blazor, Azure, JavaScript, HTML5, CSS3, Agile, Programmer, Full Stack Engineer, Architect, .NET Developer) Since 2006 our client's revolutionary marketing software platform has been helping businesses all over the world to attract, engage, and delight customers by delivering inbound experiences that are relevant, helpful, and personalized. Having recently launched in the … applicants should be experienced in: .NET, .NET Core/ASP.NET MVC, C# and Azure SQL. You will receive training in all aspects of: .NET 9, Blazor, EF Core, Azure, JavaScript, HTML5, CSS3, Agile, TDD, BDD, Azure SQL and MongoDB. At the centre of our client's culture is freedom and openness which takes a lot of people by surprise. But More ❯

AI capabilities within the platform and integrate external AI tools and LLMs to enhance data insights, automation, and predictive analytics Advanced pro code app development and customisation (beneficial) using JavaScript, HTML, and CSS for enhanced user experiences to extend dashboard functionality. Qualifications A STEM degree (or equivalent) from a top-tier university 3+ years’ experience in a technical, data-focused … effective communication skills, translating technical concepts for non-technical audiences Thrive in a fast-paced environment with a passion for continuous learning and growth Bonus points for: Proficiency with JavaScript, HTML, and CSS for building front-end applications Knowledge of large ERP systems (SAP, Oracle, Microsoft Dynamics, NetSuite, etc.). Vertical or subject matter expertise across Marketing, Finance, Sales Operations More ❯

AI capabilities within the platform and integrate external AI tools and LLMs to enhance data insights, automation, and predictive analytics Advanced pro code app development and customisation (beneficial) using JavaScript, HTML, and CSS for enhanced user experiences to extend dashboard functionality. Qualifications A STEM degree (or equivalent) from a top-tier university 3+ years’ experience in a technical, data-focused … effective communication skills, translating technical concepts for non-technical audiences Thrive in a fast-paced environment with a passion for continuous learning and growth Bonus points for: Proficiency with JavaScript, HTML, and CSS for building front-end applications Knowledge of large ERP systems (SAP, Oracle, Microsoft Dynamics, NetSuite, etc.). Vertical or subject matter expertise across Marketing, Finance, Sales Operations More ❯

Full Stack Mobile Engineer Tech : React Native, JavaScript, Android, iOS Why? start-up financial services, revolutionising the industry Location : Hybrid - 2 days in the office (Central London) Salary : £80,000 - £95,000 benefits Our Client A new UK-based financial services provider is launching credit card, personal loans and insurance offerings aimed at delivering fair, flexible, and user-friendly financial … core principles. Prior experience with iOS and Android platforms, having a deep understanding of the ecosystem differences. Familiarity with RESTful APIs and mobile libraries for networking. Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model. Experience with automated testing suites, like Jest or Mocha. Excellent problem-solving skills and the ability to think algorithmically. Experience with cloud More ❯

Graduate/Junior Developer, Python, JavaScript, PHP - London (Tech stack: Graduate/Junior Developer, Python, JavaScript, PHP, Graduate/Junior Developer) In 2012 our client launched a social messaging platform that has been taking the US by storm. After an extremely successful period our client has decided to hop across the Atlantic, in a bid to expand their sphere of … successful company! These roles would be suitable Graduate/Junior Developer who have recently graduated from university and have a basic understanding of any of the following technologies: Python, JavaScript, PHP, React, React Native, Django, Postgres, Docker and Agile; which might have been acquired as part of your degree course or through a placement year in industry. All Graduate/ More ❯

is required and relevant for many entry level programming roles and help you get a step ahead. 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. Therefore, this is an essential addition language in building your programming More ❯

is required and relevant for many entry level programming roles and help you get a step ahead. 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. Therefore, this is an essential addition language in building your programming More ❯

for a high-traffic, customer-facing Shopify store. 🛠️ Key Responsibilities Develop and maintain custom Shopify themes using Liquid Implement responsive designs and front-end features (HTML/CSS/JavaScript) Collaborate with design and UX teams to create pixel-perfect templates Optimize site performance, speed, and SEO Integrate third-party Shopify apps and APIs as needed Debug and resolve technical … issues across platforms ✅ Requirements Proven experience developing with Shopify and Liquid Strong front-end skills: HTML5, CSS3, JavaScript, jQuery Experience with Shopify APIs and third-party integrations Knowledge of version control (e.g. Git) Strong attention to detail and ability to work independently Excellent communication skills 🎯 Nice to Have Experience with Shopify Plus Familiarity with Figma or Adobe XD for translating More ❯

can handle dynamic web content and complex user interactions Design and implement browser automation workflows for data collection across multiple web platforms Create tools for managing browser sessions, handling JavaScript-heavy sites, and bypassing common anti-bot measures Optimise scraping performance and reliability for high-volume data collection operations Collaborate with data engineering and product teams across global organisations Deliver … Strong experience with browser automation tools ( Chromedp, Rod, Playwright , or similar) Proven ability to build and support web scraping applications at scale Deep understanding of web technologies (HTML, CSS, JavaScript, DOM manipulation ) Knowledge of HTTP protocols, cookies, sessions, and web authentication methods Familiarity with Python is advantageous but not essential Experience with concurrent processing and rate limiting for web scraping More ❯

can handle dynamic web content and complex user interactions Design and implement browser automation workflows for data collection across multiple web platforms Create tools for managing browser sessions, handling JavaScript-heavy sites, and bypassing common anti-bot measures Optimise scraping performance and reliability for high-volume data collection operations Collaborate with data engineering and product teams across global organisations Deliver … Strong experience with browser automation tools ( Chromedp, Rod, Playwright , or similar) Proven ability to build and support web scraping applications at scale Deep understanding of web technologies (HTML, CSS, JavaScript, DOM manipulation ) Knowledge of HTTP protocols, cookies, sessions, and web authentication methods Familiarity with Python is advantageous but not essential Experience with concurrent processing and rate limiting for web scraping More ❯

clients across multiple industries. What You'll Be Doing Technical Development Configure and customize ServiceNow modules across HR, IT, and Customer Service workflows Develop and maintain custom applications using JavaScript and Angular Leverage Now Assist, GenAI, and Workflow Data Fabric for modern, AI-driven solutions Experience Design Use Next Experience UI, UI Builder, and Service Portal to build intuitive and … sessions Work cross-functionally with teams in IT, HR, and customer service What We're Looking For Essential Skills: 2+ years of hands-on ServiceNow development Strong knowledge of JavaScript, HTML, CSS, Glide API, Flow Designer Experience across key ServiceNow workflows: ITSM, HRSD, CSM, Onboarding Understanding of customer/employee journey touchpoints Proven integration experience with REST/SOAP APIs More ❯

internship or placement in a technical or software-focused role. You'll thrive in this role if you have: - Some hands-on experience with full-stack development, particularly using JavaScript, Node.js, Python, and APIs (through internships, university projects, or personal work). - Strong communication skills, with the ability to explain technical concepts clearly to both technical and non-technical audiences. … to take the next step in your career, we'd love to hear from you. Apply via the link below. Keywords: Graduate, Internship, Computer Science, Engineering, Software, AI, ML, JavaScript, Node.js, Python, Full Stack, Client-Facing, Integration, A-levels, Top University Adecco operates as an Employment Agency and is an equal opportunities employer. All applications will be handled with strict 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 ❯

Full Stack Engineer/Developer (JavaScript TypeScript) WFH/London to £75k Opportunity to progress your career as a Full Stack Developer working on Tech for Good application for the healthcare sector that utilises AI and Machine Learning techniques to help prevent patients from experiencing health crisis. As a Full Stack Engineer you'll collaborate with a small team working … on internal tools and data platforms, with a focus on implementing robust security practices and scalable architectures. You'll use a range of technology, primarily JavaScript on the backend and TypeScript on the frontend, you'll build secure, responsive user interfaces, implement RESTful APIs, optimise database queries for performance and ensure solutions are highly scalable and maintainable. This is a … from home most of the time, meeting up with colleagues in the London office once a month/quarter. About you: You have strong full stack development experience with JavaScript and TypeScript You have a strong appreciation of RDBMS, security data architecture and ISO 27001 You are collaborative, enjoy problem solving and are proactive in getting things done You've More ❯

practices. Mentor and guide large technical teams, promoting high standards in code quality, DevSecOps, and automation. Drive the development of cloud-native applications, with a strong focus on modern JavaScript frameworks and API/microservices architecture. Monitor and improve engineering maturity across teams. Collaborate closely with stakeholders, manage technical dependencies, and communicate effectively through strong storytelling and influence. Essential Skills … Experience: Strong background in JavaScript frameworks, microservices, and API development. Experience in building modern applications with cloud-native architectures. Proven leadership in large technical teams, with an Agile and product-focused mindset. Expertise in engineering culture, DevSecOps, and automation. Experience with public cloud platforms (e.g., AWS, GCP, Azure). Strategic thinking, innovation, and thought leadership in a technical context. Ability More ❯

personalized user experiences. Configure and maintain Adobe Target tagging and mbox parameterization using Adobe Launch or equivalent tag management systems. Write and manage profile scripts using Rhino JS/JavaScript for advanced personalization logic. Consume APIs within Adobe Target for dynamic personalization and content delivery. Configure Adobe Target reporting in Adobe Analytics to monitor performance and provide actionable insights on … Exposure to Adobe Target Recommendations Advanced personalization techniques with audience segmentation and profile Scripting. Knowledge of Adobe Target tagging and mbox parameter management. Basic proficiency in HTML, CSS, and JavaScript to execute small Front End changes independently. Understanding of APIs and experience consuming APIs in Target activities. Experience in integrating Adobe Target with Adobe Analytics for reporting and optimization. Working More ❯

Support privacy compliance efforts including cookie control, GDPR adherence, and customer data handling best practices. Manage and review third-party digital analytics audits as required. Qualifications: Strong proficiency in JavaScript/TypeScript and hands-on experience with Next.js. Proven ability to implement custom analytics tracking within production codebases. Experience with Meta tracking (Pixel, CAPI) for both online and offline events. … A/B testing and experimentation platforms. Experience with consent management tools (e.g. OneTrust). Background in e-commerce, particularly within fashion or luxury retail. Skills: Strong proficiency in JavaScript/TypeScript and hands-on experience with Next.js. Proven ability to implement custom analytics tracking within production codebases. Experience with Meta tracking (Pixel, CAPI) for both online and offline events. More ❯

all within a low-latency, high-performance environment. What Makes This Role Unique: This position demands more than standard UI implementation. They're looking for an engineer who: Understands JavaScript execution mechanics at a deep level Optimises memory management in data-intensive applications Designs high-performance UI systems for complex real-time data processing Leverages advanced computer science principles to … market data streams Technical Requirements: 4+ years of software engineering experience Proven ability to handle massive real-time data streams Strong expertise in TypeScript and React Deep understanding of JavaScript performance optimisation Experience with memory management and execution strategies What They Offer: Cutting-edge trading technology platform Intellectually stimulating engineering challenges Performance-based bonus Medical insurance Contributory pension scheme This More ❯