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 objectmodel Experience developing with typescript Thorough understanding of React.js and its core principles Experience with Redux and RTK (RTKQuery also a bonus) Familiarity with RESTful More ❯
or Redux) Data visualisation experience, including with D3.js Experience with continuous integration, test automation, and monitoring You must have the following skills: Strong proficiency in JavaScript, CSS, HTML including DOM manipulation and the JavaScript objectmodel Familiarity with RESTful APIs Knowledge of modern authorization mechanisms, such as JSON Web Token Familiarity with modern front-end build pipelines and tools Experience More ❯
or Redux) Data visualisation experience, including with D3.js Experience with continuous integration, test automation, and monitoring You must have the following skills: Strong proficiency in JavaScript, CSS, HTML including DOM manipulation and the JavaScript objectmodel Familiarity with RESTful APIs Knowledge of modern authorization mechanisms, such as JSON Web Token Familiarity with modern front-end build pipelines and tools Experience More ❯
Experience as a Full Stack Developer building modular commercial solutions, ideally with knowledge in one or more of Angular 17+, Typescript, Golang, PostgreSQL. Knowledge of HTML, CSS, SCSS, advanced DOM manipulation, cross-browser and cross-device development. Experience with one or more of the following: RESTful APIs, gRPC, or relational modelling. Experience with test automation; unit testing, functional testing. A More ❯
City of London, London, England, United Kingdom Hybrid / WFH Options
Matched Group
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 message APIs More ❯
City of London, London, England, United Kingdom Hybrid / WFH Options
Matched Group
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 message APIs More ❯
and best practices You excel at UI/UX design implementation experience, creating pixel-perfect, accessible interfaces You have a solid understanding of HTTP protocols , REST APIs , websockets , and DOM manipulation You understand web security best practices and frontend authentication patterns You have an eye for design and track record of creating intuitive and innovative interfaces You're obsessed with More ❯
expert at building web apps. You have a track record of building responsive and performant public facing web applications, with a solid understanding of HTTP protocols, REST APIs, websockets, DOM manipulation. You operate across the stack . You have significant experience working with relational databases, knowledge of web and service authentication and web security best practices. You can architect distributed More ❯
technology or e-commerce platforms Experience with Agile tools such as Azure DevOps or Boards Skills in using workflow or diagramming tools such as Visio or Lucidchart Knowledge of DOM manipulation Scripting experience with PowerShell Benefits and Company Perks Competitive salary and bonus scheme The chance to work with innovative and progressive technology 25 days' holiday per year, increasing by More ❯
in working with agile methodologies including Scrum and/or Kanban. Experience with XML development: XSD and XSLT (hands-on experience in XSLTs, DTD, XSDs). Experience with HTML DOM manipulation Familiarity with WSDL and Swagger/OpenApi web service definition formats. Experience working with stakeholders and business analysts to gather business requirements to derive functional and non-functional requirements. More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Harnham - Data & Analytics Recruitment
Doing Architect and build core infrastructure for a next-gen video editing and animation platform Design high-performance systems for real-time rendering and creative tooling Work across a DOM-like architecture in Rust, connecting rendering logic to a custom UI Prototype AI-powered features like auto-editing, dynamic scene generation, or smart transitions Collaborate with product and design to More ❯
Remote UK Why Mozilla? The Mozilla Corporation is wholly owned by the non-profit 501(c) Mozilla Foundation. This means we aren't beholden to any shareholders - only to our mission. Along with thousands of volunteer contributors and collaborators all More ❯