176 to 200 of 1,927 JavaScript Jobs in the UK

a prestigious financial service client in London. The role will involve working on a big Transformation Programme, and suited candidates will have the following hands-on experience; C#, Python, JavaScript/Typescript, SQL and test automation frameworks such as Playwright, Specflow, Agile and TDD. Strong data testing knowledge in SQL, Snowflake or Databricks. Strong Azure DevOps, Azure, Git, and SQL. More ❯

Rate: £300-350 p/day Key Skills: Strong experience with .NET/ASP.NET/C# for web development Solid understanding of SQL Server Good grasp of HTML, CSS, JavaScript, and related front-end technologies Experience with server-side configuration and management (IIS, Windows Server, deployments, hosting environments) Familiarity with version control (Git) and Azure DevOps Excellent problem-solving and More ❯

complex production issues. Contribute to automation and CI/CD testing workflows. Skills & Experience Back End: Proficiency in Node.js (preferred), or .NET/Java. Front End: Solid experience with JavaScript , React , and TypeScript . Strong foundation in Agile/Lean methodologies and modern software delivery practices. Working knowledge of UI/UX principles and prototyping tools. Excellent communication and technical More ❯

bug fixes Drive modern engineering standards, CI/CD, and DevOps practices Mentor Engineers and Associate Engineers Contribute to releases and continuous improvement initiatives Tech Stack Frontend: ReactJS, TypeScript, JavaScript Backend: NodeJS, Python, Postgres DevOps/Cloud: AWS, Docker, Kubernetes, CI/CD Requirements Current SC Clearance Strong full-stack development experience across React, NodeJS, and Python Proven track record More ❯

complex production issues. Contribute to automation and CI/CD testing workflows. Skills & Experience Back End: Proficiency in Node.js (preferred), or .NET/Java. Front End: Solid experience with JavaScript , React , and TypeScript . Strong foundation in Agile/Lean methodologies and modern software delivery practices. Working knowledge of UI/UX principles and prototyping tools. Excellent communication and technical More ❯

ensure reliability and maintainability. Contribute to CI/CD pipelines and cloud-based deployments. Key Skills & Experience 5+ years’ commercial experience with TypeScript/React and Node.js. Proficiency in JavaScript libraries such as React or Next.js. Expert knowledge of REST API development using Node.js. Experience working with C# in enterprise environments. Familiarity with cloud computing, infrastructure as code, and CI More ❯

ensure reliability and maintainability. Contribute to CI/CD pipelines and cloud-based deployments. Key Skills & Experience 5+ years commercial experience with TypeScript/React and Node.js. Proficiency in JavaScript libraries such as React or Next.js. Expert knowledge of REST API development using Node.js. Experience working with C# in enterprise environments. Familiarity with cloud computing, infrastructure as code, and CI More ❯

web frameworks like Flask, FastAPI, Django. Implement best practices in software development, including exception handling, data structures, and object-oriented programming (OOP). Collaborate with front-end developers using JavaScript, CSS, and HTML to create seamless user interfaces. Develop and optimize SQL databases, ensuring efficient data storage and retrieval. Utilize AWS Core services and Terraform for cloud infrastructure management and More ❯

web frameworks like Flask, FastAPI, Django. Implement best practices in software development, including exception handling, data structures, and object-oriented programming (OOP). Collaborate with front-end developers using JavaScript, CSS, and HTML to create seamless user interfaces. Develop and optimize SQL databases, ensuring efficient data storage and retrieval. Utilize AWS Core services and Terraform for cloud infrastructure management and More ❯

and testing across all projects. Skills & Experience Strong proficiency with Microsoft Dynamics 365 CRM modules and Power Platform (Power Apps, Power Automate). Proven experience in C#, .NET and JavaScript Hands-on experience with Azure DevOps, Git, or other CI/CD tools. Demonstrated leadership or mentoring experience within a development team. Strong understanding of software development life-cycle (SDLC More ❯

Kubernetes. Configuration management tools like Terraform or Ansible. Web servers including NGINX, Tomcat, Weblogic, or JBoss. Databases such as MySQL, Microsoft SQL Server, Oracle, or DynamoDB. Programming languages including JavaScript, Ruby on Rails, Go, C#, or .NET. Familiarity with version control systems like SVN or Git. Knowledge of microservices architecture and distributed systems. Experience with system administration on Linux or More ❯

drive standards. Essential Skills & Experience: Significant expertise in front-end development of large-scale systems with high transaction volumes and complex business processes. Strong working knowledge of HTML, CSS, JavaScript, TypeScript, Node.js, and modern front-end frameworks (e.g., React). Proven experience building WCAG-compliant, accessible user interfaces . Skilled in writing unit tests and delivering thorough test coverage using More ❯

scale systems dealing with high numbers of users, transactions and business processes. • Detailed working knowledge and extensive experience of open-source technologies including HTML, CSS, client and server-side JavaScript, TypeScriptNode.js and other modern front-end frameworks and templating languages. • Experience in building accessible compliant user interfaces (WCAG). • Proven ability in delivering thorough unit level test coverage using common More ❯

Strong problem-solving, debugging, and testing skills. Ability to work collaboratively in a dynamic, cross-functional environment. Experience with project management or Agile methodologies. Desirable: Programming skills in Python, JavaScript, SQL, Java, C#, or Ruby. Experience with Microsoft Cloud, AWS, cloud infrastructure, or Microservices architecture. Familiarity with Power Apps, Power BI, Microsoft Graph API, Azure Logic Apps/Functions, and More ❯

of cloud compute, RESTful APIs, CI/CD pipelines (GitHub Actions preferred) . Excellent understanding of unit testing, TDD, automation, and shift-left principles . Working knowledge of TypeScript, JavaScript, React, React Native and mobile design concepts. Adaptable mindset, able to thrive in Lean/Agile environments and respond to changing customer needs. The Opportunity: Our client is investing heavily More ❯

of cloud compute, RESTful APIs, CI/CD pipelines (GitHub Actions preferred) . Excellent understanding of unit testing, TDD, automation, and shift-left principles . Working knowledge of TypeScript, JavaScript, React, React Native and mobile design concepts. Adaptable mindset, able to thrive in Lean/Agile environments and respond to changing customer needs. The Opportunity: Our client is investing heavily More ❯

/SCRUM. Database experience (Oracle, relational, and/or MongoDB). CI/CD pipelines (GitLab). Familiarity with Apache NiFi, Hibernate, Elasticsearch, and Kibana. Front-end experience with JavaScript/TypeScript & React. Proficiency with Atlassian Suite (Jira, Confluence, Bitbucket). Experience mentoring junior engineers. Desirable skills and qualifications: Experience with JSF (Primefaces). Cloud development (AWS) and microservice/ More ❯

Core/.NET 6+ • Proven experience delivering decoupled or headless CMS implementations • Solid understanding of REST APIs, JSON, and asynchronous data handling • Experience with front-end technologies: HTML5, CSS3, JavaScript (vanilla and/or frameworks) • Proficiency with Git and CI/CD pipelines • Understanding of security, performance, and scalability in web environments • Familiarity with SQL Server and database design Desirable More ❯

the future of their technology landscape. Key Responsibilities Own the development of new and existing web applications from concept to deployment. Build responsive, pixel-perfect UIs using HTML, CSS, JavaScript, and modern frameworks like Vue.js or Blazor. Develop and integrate C# .NET Web APIs with frontend applications. Contribute to architectural discussions and solution design for new projects. Implement improvements, optimizations More ❯

meals at the onsite restaurant as well as membership at onsite gym. About you: You have backend C# development experience including C# and TypeScript, You also have experience with JavaScript and associated frameworks, ideally Vue.js but React or Angular are also fine You have experience of implementing frontend applications You have a good knowledge of AWS You're collaborative with More ❯

we're looking for: BS or MS in Computer Science (or equivalent experience). Agile certifications are desirable. 4+ years' experience in front-end software engineering. Deep expertise in JavaScript/React/Redux and cross-platform frameworks. Experience with Swift and/or Kotlin. Hands-on experience with DevOps, automation, and modern CI/CD pipelines. HTML5, CSS3/ More ❯

evolution of the technology stack and ways of working, encouraging continuous improvement and innovation. The Tech Youll Work With Core: React.js (expert-level), Redux, REST APIs Web: HTML5, CSS3, JavaScript (ES6+), responsive/mobile-first design Ways of Working: Agile, CI/CD pipelines, A/B testing, modern dev workflows Desirable: Next.js, GraphQL, Webpack, AWS/Azure, Git Why More ❯

FastAPI, or Django. Implement best practices in software development, including exception handling, data structures, and object-oriented programming (OOP). Work collaboratively with front-end developers, integrating technologies like JavaScript, CSS, and HTML to create seamless user interfaces. Develop, optimise, and manage SQL databases to ensure efficient data handling. Utilise AWS core services and Terraform for cloud infrastructure provisioning and More ❯

support, knowledge sharing and opportunities to explore new tools and techniques. What we're looking for Experience in software development, in any stack or language - whether your expertise is JavaScript, TypeScript, Java, Python, C#, or others. Solid engineering fundamentals, with an interest in developing your skills further. Experience working in collaborative, agile teams (Scrum or Kanban). Curiosity, initiative and More ❯

Ensure platform stability and performance through proactive monitoring and continuous improvement. Mentor and support junior developers, contributing to shared best practices. Profile Strong full stack development expertise (PHP, MySQL, JavaScript, HTML5, CSS3). Deep understanding of object-oriented programming and design patterns. Proven experience with Adobe Commerce Cloud and Magento 2 (custom modules, theming, architecture). Hands-on experience with More ❯