26 to 42 of 42 JavaScript Jobs in Cardiff

leadership roles Proven experience leading development teams and senior engineers within a digital agency or professional services environment Strong hands-on experience with PHP, JavaScript, HTML, and CSS Proven experience delivering complex custom websites, platforms, integrations, and ecommerce solutions Deep practical experience with WordPress, and working knowledge of Shopify ...

similar fine if you transition quickly). Proven experience building and shipping scalable web apps and APIs. Strong SQL skills (MySQL ideal). Good JavaScript knowledge and comfortable plugging into front-end logic. Confident working in Linux/server environments and debugging across the stack. Bonus: Kotlin, Android/ ...

Position: Front End JavaScript Developer Reports to: Front End Development Team Lead Hours: 40 hours Location: 3 days in North London office (Monday – Wednesday) Salary: £60 - £80,000 + eligibility for performance bonus Start date: ASAP Purpose of the role: As a Front End Developer you will join … highest standards of code quality in alignment with company-wide conventions. Required skills: · Minimum of 4 years of hands-on experience with Javascript working mainly on Frontend solutions · Solid grasp of JavaScript(Vanilla Javascript) fundamentals, including understanding of the Document Object Model (DOM) and browser Application Programming Interfaces (APIs). ...

experience with Postman or similar tools for API testing. Nice to have: ISTQB Software Testing Foundation qualification. Familiarity with .NET Core/Standard or JavaScript-based front-end frameworks. Experience working in a microservices environment. Experience with automation testing. Extra Benefits: Free parking Private medical insurance Profit sharing Sick ...

practices Experience with cloud-based deployments of Remedy applications Hands-on experience developing and customising workflows, integrations, and configurations Programming or scripting experience (e.g. JavaScript ) Strong analytical and problem-solving skills Confident communicator, able to collaborate effectively at all levels Security Clearance SC clearance is required for this role Candidates ...

testing and performance optimisation Diagnose and resolve issues across browsers, devices and edge cases About You Strong experience with React and modern TypeScript/JavaScript Able to deliver polished, production-ready UI Comfortable improving performance and debugging complex issues Pragmatic, curious, and ready to take on more ownership Good design ...

observability Tech Stack & Environment Frontend: Svelte (primary), with openness to React or Angular experience Strong focus on web components and reusable design systems Modern JavaScript/TypeScript Backend: Node.js or Python (microservices-based) API-driven architecture Infrastructure & Cloud: Kubernetes AWS Containerized, cloud-native deployments Data: SQL databases What … Looking For Strong experience as a senior or lead fullstack engineer in modern web environments Deep knowledge of JavaScript and frontend architecture Experience with Svelte, React, or Angular (Svelte experience is a plus, not a requirement) Backend experience with Node.js and/or Python Solid understanding of microservices architecture Hands ...

your career. Strong culture of collaboration and continuous improvement A hybrid model with stunning new offices in Cheshire Essential skills: Some automation skills in JavaScript, ideally with Cypress Curious, exploratory approach to testing Great communicator; proactive, collaborative, and comfortable working cross-functionally Full right to work ...

selection of more advanced courses to get you up to speed. 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, so it will be essential! Python ...

selection of more advanced courses to get you up to speed. 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, so it will be essential! Python ...

role in shaping and delivering new features and enhancements. What You'll Do Lead the design and development of front-end features using modern JavaScript frameworks. Collaborate with product and engineering managers to scope and prioritize work. Ensure high-quality, maintainable, and performant code through best practices and automated testing. … deployment and ongoing improvements. Work in an agile environment on a large-scale software product. About You Strong experience in front-end development with JavaScript (Vue.js experience is a plus). Comfortable working across the stack when needed, with some exposure to back-end technologies. Skilled in writing clean, testable ...

training, benchmarking, and advancing large language models, collaborating closely with researchers. This includes curating code examples, providing precise solutions, and making corrections in Python, JavaScript (including ReactJS), C/C++, Java, Rust, and Go; evaluating and refining AI-generated code for efficiency, scalability, and reliability; and working with cross-functional … What Does a Typical Day Look Like? Working on AI model training initiatives by curating code examples, building solutions, and correcting code in Python, JavaScript (including ReactJS), C/C++, Java, Rust, and Go. Evaluate and refine AI-generated code to ensure that it is efficient, scalable, and reliable. Collaborate ...

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 ...

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 ...

z2bz0 years of experience working in a web development agency or in-house for a brand Experience developing Shopify themes 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 ...

configure ServiceNow CMS and Service Portal components in line with user stories and acceptance criteria. Build and maintain front-end components using HTML, CSS, JavaScript, and ServiceNow widgets. Follow ServiceNow best practices, coding standards, and Post Office development guidelines. Support enhancements across related ServiceNow modules as required. Testing & Quality Assurance … Post Office change methodology throughout the engagement. Technical Skills & Experience Essential Experience with ServiceNow development, particularly Service Portal or CMS Strong HTML, CSS, JavaScript skills Understanding of web accessibility and responsive design Familiarity with Agile delivery and user story–based development Ability to follow defined development standards and processes Desirable ...

Frontend Engineer (3D/CGI Focus) Up to £60,000 | Birmingham (Hybrid – 1 day/week) | Full-time, Permanent Are you a JavaScript pro who loves building 3D and CGI experiences for the web? Join our fast-growing product-led startup and help create interactive, visually stunning features used … real customers. What You'll Do Build modern frontend applications using JavaScript, TypeScript, and Vue.js Develop interactive 3D/CGI web experiences (WebGL, Three.js, or similar) Turn product ideas into intuitive, high-quality UI Collaborate with designers, product teams, and backend engineers (C#/.NET) Ensure performance, accessibility, and cross ...