401 to 425 of 858 JavaScript Jobs in London

related to mobile development Skills and Experience we need: At least 5+ years of experience as a Software Engineer building mobile applications in React Native Excellent programming skills in JavaScript, preferably with TypeScript and GraphQL experience Good working knowledge of the React and React Native frameworks A good understanding of the Android and iOS platforms Experience with frontend testing frameworks More ❯

related to mobile development Skills and Experience we need: At least 5+ years of experience as a Software Engineer building mobile applications in React Native Excellent programming skills in JavaScript, preferably with TypeScript and GraphQL experience Good working knowledge of the React and React Native frameworks A good understanding of the Android and iOS platforms Experience with frontend testing frameworks More ❯

best practices, persuasion principles, and behavioural psychology. Data literacy: ability to analyse large datasets, run SQL queries, and work with dashboards. Nice to have: web development skills (HTML, CSS, JavaScript) to prototype and implement tests quickly. Attributes Analytical thinker with a bias for action. Comfortable operating at the intersection of product, marketing, and engineering. Strong communication and storytelling skills - able More ❯

best practices, persuasion principles, and behavioural psychology. Data literacy: ability to analyse large datasets, run SQL queries, and work with dashboards. Nice to have: web development skills (HTML, CSS, JavaScript) to prototype and implement tests quickly. Attributes Analytical thinker with a bias for action. Comfortable operating at the intersection of product, marketing, and engineering. Strong communication and storytelling skills - able More ❯

can handle constructive feedback and enjoy working as part of a team to achieve a common goal. Bonus Points Exposure to a programming or scripting language (like Python or JavaScript) through coursework or personal projects. Any internship or project experience related to software development or testing. Familiarity with the basics of web technologies (HTML, CSS). What We Offer A More ❯

Demonstrates strong proficiency in Salesforce development tools and frameworks, including Lightning and CPQ, A solid understanding of database scripting languages such as MySQL, Apex, and VisualForce, Intermediate knowledge of JavaScript, C#, and APEX coding standards. This role requires someone who can work independently while collaborating effectively across teams, with excellent problem-solving and communication skills to translate technical concepts for More ❯

Contribute to design discussions and provide technical input on feasibility and implementation Continuously improve app retention and engagement through thoughtful UX improvements Requirements Technical Expertise: Expert-level proficiency in JavaScript and relevant frameworks such as Next.js Design Sensibility: Demonstrated passion for exceptional UI/UX design, animations, and micro-interactions Mobile Development: React Native experience would be helpful, but is More ❯

Contribute to design discussions and provide technical input on feasibility and implementation Continuously improve app retention and engagement through thoughtful UX improvements Requirements Technical Expertise: Expert-level proficiency in JavaScript and relevant frameworks such as Next.js Design Sensibility: Demonstrated passion for exceptional UI/UX design, animations, and micro-interactions Mobile Development: React Native experience would be helpful, but is More ❯

Contribute to design discussions and provide technical input on feasibility and implementation Continuously improve app retention and engagement through thoughtful UX improvements Requirements Technical Expertise: Expert-level proficiency in JavaScript and relevant frameworks such as Next.js Design Sensibility: Demonstrated passion for exceptional UI/UX design, animations, and micro-interactions Mobile Development: React Native experience would be helpful, but is More ❯

Contribute to design discussions and provide technical input on feasibility and implementation Continuously improve app retention and engagement through thoughtful UX improvements Requirements Technical Expertise: Expert-level proficiency in JavaScript and relevant frameworks such as Next.js Design Sensibility: Demonstrated passion for exceptional UI/UX design, animations, and micro-interactions Mobile Development: React Native experience would be helpful, but is More ❯

/fields such as Computer Science, Software Engineering, Mathematics, or Physics At least 5+ years working with a variety of programming languages such as Java, Python, C++, Rust, Go, JavaScript, etc. Experience building software solutions involving significant amounts of data processing and analysis Ability to quickly understand and navigate complex systems and established code bases Experience working in a customer More ❯

modeling, vulnerability management, and access control mechanisms. Experience with AWS, Kubernetes, Service Mesh, API gateways, and API Security (authentication and authorization). Proficiency in programming languages such as Python, JavaScript, GoLang, Terraform, CloudFormation (AWS), and AWS CDK. Familiarity with Agile methodologies like SCRUM, along with proven project management skills to manage multiple security projects effectively. Desired: Ability to work independently More ❯

applications built using the Power Platform. Lead in the design, configuration, and customisation of Power Pages (portals), Dynamics 365 and SharePoint Online solutions, including plugin development, custom workflow assemblies, JavaScript, and extended Azure/Office 365 integrations. Deliver innovative solutions using Dynamics 365, Power Platform (including Power Pages) and SharePoint Online across all stages of the software development lifecycle. Create More ❯

applications built using the Power Platform. Lead in the design, configuration, and customisation of Power Pages (portals), Dynamics 365 and SharePoint Online solutions, including plugin development, custom workflow assemblies, JavaScript, and extended Azure/Office 365 integrations. Deliver innovative solutions using Dynamics 365, Power Platform (including Power Pages) and SharePoint Online across all stages of the software development lifecycle. Create More ❯

organize test case inventories that minimize the number of test cases while maximizing the amount of test coverage. Must Have Experience in Tools/Frameworks/Language: Coding language - JavaScript/Java. UI Automation - Selenium/Appium Mobile Automation - Appium or any other tool for Android/iOS. CI/CD - Jenkins/Github Actions Source Code Management - GitHub/ More ❯

and experience in Google Ads, Meta Ads, Bing Ads, TikTok Ads, Pinterest Ads, StackAdapt, GA4, Google Search Console, Google Tag Manager, Looker Studio Strong working knowledge of HTML, basic JavaScript, Python Proficiency gathering marketing insights for analysis and reporting in platforms such as Hubspot Marketing Hub, Salesforce Marketing Cloud/Pardot, Meta for Business (Facebook Business Manager), Linkedin Insights and More ❯

Full Stack JavaScript Developer (Mid-Level) Salary: £65,000 - £70,000 pa (depending on experience) plus benefits, perks and healthcare options Location: Hybrid/2 x days per week - Travel to London Job Type: Permanent Security Clearance: This role is exclusively open to UK sole nationals who either hold or are eligible for Security Clearance (SC). We are on … the lookout for a talented and motivated Full Stack JavaScript Developer to join a dynamic Engineering team. If you’re passionate about creating innovative web and mobile applications while ensuring high performance and scalability, this is your opportunity to make an impact! Your Role: Designing, developing, and maintaining both front-end and back-end components of web and mobile applications … using JavaScript, Node.js, and modern frameworks and libraries such as React, Angular, or Vue.js. Collaborating with architects and other developers to design robust, scalable, and secure architectures for new projects and enhancements to existing systems. Participating in agile development processes, including sprint planning, daily stand-ups, and retrospectives. Conducting thorough code reviews to ensure code quality, performance, and adherence to More ❯

Full Stack JavaScript Developer (Mid-Level) Salary: £65,000 - £70,000 pa (depending on experience) plus benefits, perks and healthcare options Location: Hybrid/2 x days per week - Travel to London Job Type: Permanent Security Clearance: This role is exclusively open to UK sole nationals who either hold or are eligible for Security Clearance (SC). We are on … the lookout for a talented and motivated Full Stack JavaScript Developer to join a dynamic Engineering team. If you’re passionate about creating innovative web and mobile applications while ensuring high performance and scalability, this is your opportunity to make an impact! Your Role: Designing, developing, and maintaining both front-end and back-end components of web and mobile applications … using JavaScript, Node.js, and modern frameworks and libraries such as React, Angular, or Vue.js. Collaborating with architects and other developers to design robust, scalable, and secure architectures for new projects and enhancements to existing systems. Participating in agile development processes, including sprint planning, daily stand-ups, and retrospectives. Conducting thorough code reviews to ensure code quality, performance, and adherence to More ❯

Full Stack JavaScript Developer (Mid-Level) Salary: £65,000 - £70,000 pa (depending on experience) plus benefits, perks and healthcare options Location: Hybrid/2 x days per week - Travel to London Job Type: Permanent Security Clearance: This role is exclusively open to UK sole nationals who either hold or are eligible for Security Clearance (SC). We are on … the lookout for a talented and motivated Full Stack JavaScript Developer to join a dynamic Engineering team. If you’re passionate about creating innovative web and mobile applications while ensuring high performance and scalability, this is your opportunity to make an impact! Your Role: Designing, developing, and maintaining both front-end and back-end components of web and mobile applications … using JavaScript, Node.js, and modern frameworks and libraries such as React, Angular, or Vue.js. Collaborating with architects and other developers to design robust, scalable, and secure architectures for new projects and enhancements to existing systems. Participating in agile development processes, including sprint planning, daily stand-ups, and retrospectives. Conducting thorough code reviews to ensure code quality, performance, and adherence to More ❯

Full Stack JavaScript Developer (Mid-Level) Salary: £65,000 - £70,000 pa (depending on experience) plus benefits, perks and healthcare options Location: Hybrid/2 x days per week - Travel to London Job Type: Permanent Security Clearance: This role is exclusively open to UK sole nationals who either hold or are eligible for Security Clearance (SC). We are on … the lookout for a talented and motivated Full Stack JavaScript Developer to join a dynamic Engineering team. If you’re passionate about creating innovative web and mobile applications while ensuring high performance and scalability, this is your opportunity to make an impact! Your Role: Designing, developing, and maintaining both front-end and back-end components of web and mobile applications … using JavaScript, Node.js, and modern frameworks and libraries such as React, Angular, or Vue.js. Collaborating with architects and other developers to design robust, scalable, and secure architectures for new projects and enhancements to existing systems. Participating in agile development processes, including sprint planning, daily stand-ups, and retrospectives. Conducting thorough code reviews to ensure code quality, performance, and adherence to More ❯

Senior Software Engineer/Developer (Full Stack JavaScript) London to £100k Opportunity to progress your career in a senior, hands-on Software Engineer role at a scale-up tech company, that enables smart matching for commercial van drivers and consumers, via job bidding and route optimisation, streamlining processes and delivering CO2 carbon neutral targets, the company has been established … technology team to design and develop, troubleshoot and solve complex software issues to help scale and future proof the business. You'll work across the full tech stack using JavaScript and Vue.js on the front end, there's a range of other tech in the stack (TypeScript, Node.js, Java, Python and of course a bit of legacy PHP!), you'll … and the other two work from home. When in the office you can enjoy the onsite gym, barista coffee and free breakfast. About you: You have strong full stack JavaScript development skills and are happy to work on projects that could be weighted either way or a 50/50 split You have experience with JavaScript frameworks they use Vue.js More ❯

Up to £105,000, London My market leading commodities trading client are looking for a Snr SDET/QA to join the Team Key Requirements: Solid experience using C#, JavaScript and Database Automated Testing. Experience working in a trading environment. Strong communication/articulation skills, with key examples of Problem Solving using the Technologies above. If you are interested, please More ❯

Up to £105,000, London My market leading commodities trading client are looking for a Snr SDET/QA to join the Team Key Requirements: Solid experience using C#, JavaScript and Database Automated Testing. Experience working in a trading environment. Strong communication/articulation skills, with key examples of Problem Solving using the Technologies above. If you are interested, please More ❯

Job Description: Develop and maintain AI-powered web applications using React, JavaScript, and Python, ensuring high performance and scalability. Integrate AI/ML models into production systems, working closely with data scientists to optimize deployment and performance. Design and implement end-to-end full-stack architectures, including front-end UI, back-end services, and database management. Stay updated on emerging More ❯

and sold to external customers. Reporting to the COO, this is a key role and as such has relatively complex requirements that balance current, hands on coding experience (C#, Javascript/Angular) with architecture responsibilities and oversight of devops/infrastructure. There is also line responsibility for an offshore development team, so the successful candidate will be able to demonstrate More ❯