26 to 50 of 3,233 JavaScript Jobs in the UK

role We are looking for a full stack engineer whose main strength is backend development. You will take primary responsibility for Node.js and JavaScript services, PostgreSQL data models, REST APIs and a growing microservices estate, while contributing to React.js interfaces when a feature requires end-to-end ownership. The role … observable software that turns device data and operational requirements into dependable hospitality products. Key responsibilities Design, build and maintain backend services using Node.js and JavaScript (TypeScript is a plus), with clear boundaries, robust error handling and production-ready documentation. Own PostgreSQL schema design, SQL queries, migrations, data integrity and performance ...

role We are looking for a full stack engineer whose main strength is backend development. You will take primary responsibility for Node.js and JavaScript services, PostgreSQL data models, REST APIs and a growing microservices estate, while contributing to React.js interfaces when a feature requires end-to-end ownership. The role … observable software that turns device data and operational requirements into dependable hospitality products. Key responsibilities Design, build and maintain backend services using Node.js and JavaScript (TypeScript is a plus), with clear boundaries, robust error handling and production-ready documentation. Own PostgreSQL schema design, SQL queries, migrations, data integrity and performance ...

maintainable and well-tested code Utilise AI-assisted development tools to improve delivery while maintaining ownership of code quality Technology Stack Frontend Vue.js Nuxt.js JavaScript/TypeScript Tailwind CSS HTML & CSS Backend Laravel/PHP REST APIs MySQL Cloud & DevOps Docker Google Cloud Platform CI/CD Additional Technologies Microservices … React Native (desirable) Jira & Bitbucket AI-assisted development tools (e.g. Cursor, Claude) Skills & Experience Essential Strong commercial experience with Vue.js and Nuxt.js Solid JavaScript and/or TypeScript experience Experience building responsive, customer-facing web applications Strong understanding of HTML, CSS and modern frontend development Experience consuming RESTful APIs Understanding ...

C#) or similar), with solid understanding of design patterns and scalable application architecture Strong full-stack development experience across front-end (HTML5, CSS3, JavaScript/TypeScript, modern JS frameworks) and back-end (Java, C#, Node.js or equivalent) technologies Deep understanding of cloud-based solutions and deployment, ideally with Azure including …/CD pipelines and containerization (Docker/Kubernetes) Demonstrated experience developing and optimizing high-performance, large-scale applications Strong programming experience in Java, JSON, JavaScript, and Freemarker Templates (or equivalent templating technologies) Knowledge and practice of UI performance optimization, responsive design, and cross-browser compatibility Commitment to writing clean, maintainable ...

development skills. Experience building and maintaining web applications across both front end and back end. Front-end development experience with Angular , or another modern JavaScript/TypeScript framework such as React or Vue. Good understanding of HTML, CSS, JavaScript and TypeScript. Experience working with relational databases and data-driven applications. ...

Skills 3+ years' commercial experience with C# Strong ASP.NET, .NET Framework and .NET Core experience SQL Server and database design REST APIs and microservices JavaScript, TypeScript, HTML5 and CSS3 Experience working within Agile/Scrum teams Desirable Skills Azure Blazor Entity Framework/EF Core AI or Machine Learning integrations ...

motivated- Problem Solving skills- Works well within a team- Excellent communication skills Nice to have - Web front-end technologies and tools: HTML5, CSS, SASS, JavaScript, Angular 16+, Angular CLI, Typescript, NPM, and VS Code.- Web back-end technologies: RESTful APIs using Microservices (NodeJS, C#, C++, Python), Express, JSON, OData ...

professional environment.* Front-end skills + Proficient in HTML5, CSS3, and Typescript + Proficient in React, Redux, ReactQuery + Experience with modern JavaScript frameworks - React + Knowledge of version control systems (Git) + Understanding of cross-browser compatibility + Familiarity with RESTful APIs, GraphQL and Websockets + Experience with ...

Experience Strong software engineering skills across front-end, back-end and data-driven product development. Strong experience developing modern web interfaces using React, TypeScript, JavaScript, HTML and CSS. Experience using component libraries and design systems such as Material UI to build consistent and accessible user interfaces. Experience building back ...

exhaustively) NodeJS, Java, Kotlin, Spring boot framework, RESTful microservices, NoSQL databases.## **YOUR PROFILE*** Extensive experience of building microservices with Java (Spring Boot)* Experience using JavaScript/Typescript to build fronted web applications using React, HTML and CSS* Experience using version control software - Git* Experience using online version control tools - GitHub ...

exhaustively) NodeJS, Java, Kotlin, Spring boot framework, RESTful microservices, NoSQL databases.## **YOUR PROFILE*** Extensive experience of building microservices with Java (Spring Boot)* Experience using JavaScript/Typescript to build fronted web applications using React, HTML and CSS* Experience using version control software - Git* Experience using online version control tools - GitHub ...

exhaustively) NodeJS, Java, Kotlin, Spring boot framework, RESTful microservices, NoSQL databases.## **YOUR PROFILE*** Extensive experience of building microservices with Java (Spring Boot)* Experience using JavaScript/Typescript to build fronted web applications using React, HTML and CSS* Experience using version control software - Git* Experience using online version control tools - GitHub ...

exhaustively) NodeJS, Java, Kotlin, Spring boot framework, RESTful microservices, NoSQL databases.## **YOUR PROFILE*** Extensive experience of building microservices with Java (Spring Boot)* Experience using JavaScript/Typescript to build fronted web applications using React, HTML and CSS* Experience using version control software - Git* Experience using online version control tools - GitHub ...

designing and developing solutions utilising most of the following technologies:• Strong front end web development experience with Angular or React (we use Angular), Typescript, JavaScript, HTML/CSS with an eye for good UX• Experience in designing and building distributed systems using Microsoft C#, .NET Core and Web API• Experience ...

coding tools (GitHub Copilot/Claude Code), and cloud platforms (AWS) Proficiency in one or more modern programming languages: Java, Python, TypeScript, or JavaScript/Node.js Experience building and maintaining production front‐end applications using React or Angular Experience writing SQL and working with relational databases (PostgreSQL, Oracle, or MySQL ...

data-driven applications using Python Hands-on Reactexperience developing modern, responsive, and scalable web applications in production environments. Strong experience with TypeScript/JavaScript, HTML, CSS, and modern frontend development practices. Experience designing and developing RESTful APIsand integrating with third-party services. Solid understanding of software design principles, design patterns ...

TypeScript, leveraging frameworks such as **Next.js** or **Vite**.* **GenAI Frameworks**: Familiarity with tools like **LangChain**, **LangGraph**, **CrewAI**, or **Vercel AI** (in Python or JavaScript).* **LLM experience**: Practical experience with **Large Language Models** (LLMs) such as **OpenAI**, **Anthropic**, **Mistral**, or **Llama**, and tools like **Ollama**.* **Cloud Platforms**: Proficiency ...

TypeScript, leveraging frameworks such as **Next.js** or **Vite**.* **GenAI Frameworks**: Familiarity with tools like **LangChain**, **LangGraph**, **CrewAI**, or **Vercel AI** (in Python or JavaScript).* **LLM experience**: Practical experience with **Large Language Models** (LLMs) such as **OpenAI**, **Anthropic**, **Mistral**, or **Llama**, and tools like **Ollama**.* **Cloud Platforms**: Proficiency ...

TypeScript, leveraging frameworks such as **Next.js** or **Vite**.* **GenAI Frameworks**: Familiarity with tools like **LangChain**, **LangGraph**, **CrewAI**, or **Vercel AI** (in Python or JavaScript).* **LLM experience**: Practical experience with **Large Language Models** (LLMs) such as **OpenAI**, **Anthropic**, **Mistral**, or **Llama**, and tools like **Ollama**.* **Cloud Platforms**: Proficiency ...

Engineer in Typescript in a professional environment. Front-end skills Proficient in HTML5, CSS3, and Typescript Proficient in React, Redux, ReactQuery Experience with modern JavaScript frameworks - React Knowledge of version control systems (Git) Understanding of cross-browser compatibility Familiarity with RESTful APIs, GraphQL and Websockets Experience with CSS pre-processors ...

well-tested software within .NET environments Designing and implementing components that support wider product functionality Developing front-end applications using Angular, TypeScript and JavaScript Building and maintaining APIs, internal libraries and development tooling Supporting existing platforms, investigating issues and providing effective resolutions Creating test and integration plans and contributing … within an Agile Kanban environment Job Requirements: Strong software development skills within .NET environments, including C# Experience developing applications with Angular, TypeScript, Jasmine and JavaScript Knowledge of Python and experience developing APIs Understanding of SQL and Influx databases Experience with event-sourced architectures and cloud technologies, particularly Microsoft Azure Ability ...

skills Strong communication with technical and non-technical stakeholders Strong risk-based decision-making and pragmatic trade-off skills Strong programming ability in C#, JavaScript, TypeScript, or another relevant automation language Deep understanding of Page Object Model, Screenplay, API client abstraction, test fixtures, reusable test data builders, and service mocks … application testing, especially Angular-based applications Experience testing UI behaviour, forms, validation, routing, authentication flows, and browser compatibility Basic understanding of HTML, CSS, JavaScript, and browser developer tools Experience testing REST APIs and strong knowledge of API authentication, authorisation, routing, middleware behaviour, configuration, validation, and error handling Good understanding ...

Responsibilities 1st Line support for application updates and bugs. Design, develop, and maintain software applications using .NET (C#), Angular, TypeScript/JavaScript, and CSS Work with SQL Server databases and develop API-first solutions using REST and OpenAPI/Swagger Contribute to cloud-based solutions in Azure, utilizing resources such … product development Continuously learn and apply new technologies and best practices Skills Essential Proficiency in .NET and C# Experience with Angular, TypeScript, and JavaScript Proficiency in T-SQL Solid understanding of CSS and web development principles Experience with SQL Server and database design Familiarity with API-first development, OpenAPI/ ...

business outcomes. Key Responsibilities: Support, maintain and improve existing business applications, preparing them for the digital transformation. Build and support scalable applications using TypeScript, JavaScript and Node.js. Design, develop and maintain APIs, backend services and integrations, and cloud-based solutions. Work with databases and data integrations across multiple systems. Contribute … technical discussions. Ask questions, challenge assumptions where appropriate, and stay curious about better ways of doing things. Essential Skills Strong coding skills using TypeScript, JavaScript or a comparable modern language. .NET development Building and supporting production applications, APIs and services. Comfortable supporting and evolving existing business-critical applications while contributing ...

Gradle Strong problem-solving and analytical skills Desirable experience AWS, Azure or GCP Docker and Kubernetes CI/CD pipelines HTML, CSS and JavaScript Agile/Scrum environments If you are interested in this role, please feel free to submit your CV. ...