26 to 50 of 1,071 JavaScript Jobs in the UK

development experience building enterprise web applications and services, ideally including payroll, compensation, equity, HR, finance, or tax domains. Strong experience designing and building large JavaScript applications with Next.js and/or React (TypeScript, state management, performance optimization). Strong backend development experience in C# and .NET (ASP.NET, WebAPI, MVC) including ...

using .NET, C#, React and TypeScript. Build and support scalable backend services, APIs and database solutions. Develop responsive, user-friendly frontend applications using modern JavaScript frameworks. Contribute to the development and improvement of CI/CD pipelines and deployment processes. Work collaboratively with other developers to analyse requirements, design solutions ...

applications and writing performant code, Git, abstracting code into core libraries and creating reusable components, debugging and systems analysis, HTML5, CSS/SASS & Javascript and TypeScript, familiarity with a frontend framework such as Angular/React/Vue (Angular preferred), CI/CD and pipelines. Leadership - You are a strong ...

absence of other senior engineering leaders. Experience operating within Agile and DevOps delivery models. Desirable Skills: Application & Integration Technologies C# .NET Entity Framework JavaScript React Vue.js Windows Presentation Foundation (WPF) REST APIs Microservices architecture AI & Data Technologies AWS SageMaker Large Language Model (LLM) integrations AI-assisted analytics solutions Python-based ...

absence of other senior engineering leaders. Experience operating within Agile and DevOps delivery models. Desirable Skills: Application & Integration Technologies C# .NET Entity Framework JavaScript React Vue.js Windows Presentation Foundation (WPF) REST APIs Microservices architecture AI & Data Technologies AWS SageMaker Large Language Model (LLM) integrations AI-assisted analytics solutions Python-based ...

Boot and Web Services. Strong understanding of REST APIs, Spring Boot, Micro Services and SOA web services. Expertise with front-end technologies such as JavaScript, TypeScript, Angular, and/or ReactJS.Ability to explain design decisions and trade-offsTechnical leadership and influenceConfidence driving technical discussionsProficiency in SQL, including query writing, stored ...

comparable scientific discipline· Professional experience developing and delivering commercial software products in production environments· Strong software engineering skills with proven proficiency in JavaScript/TypeScript and C#· Solid knowledge of object-oriented software design principles and modern software development practices· Experience across multiple stages of the software development lifecycle, from ...

Agile and DevOps practices, with a focus on continuous integration and delivery. Some proficiency in one or more programming languages (e.g., Python, Java, JavaScript) and experience with software architecture patterns. Experience with cloud platforms (e.g., AWS, Azure, GCP) and infrastructure as code. Familiarity with CI/CD pipelines, automated testing ...

direct experience calling LLM APIs in production code with an understanding of token management, latency, and cost tradeoffs Basic understanding of web technologies including JavaScript, HTML, and CSS Familiarity with cloud fundamentals (AWS, Azure, or GCP), containers (Docker), and CI/CD pipelines Understanding of Agile delivery fundamentals Experience with ...

polyglot is preferred. Strong understanding of software development methodologies such as Agile, TDD and DevOps. Some proficiency in multiple programming languages such as Python, JavaScript, or similar. Extensive experience writing well-tested code. Good knowledge of cloud platforms (e.g., AWS, Azure, GCP) and infrastructure as code Experience with CI/ ...

polyglot is preferred. Strong understanding of software development methodologies such as Agile, TDD and DevOps. Some proficiency in multiple programming languages such as Python, JavaScript, or similar. Extensive experience writing well-tested code. Good knowledge of cloud platforms (e.g., AWS, Azure, GCP) and infrastructure as code Experience with CI/ ...

Front/Backend Engineer in Typescript in a professional environment. Front-end skillsProficient in HTML5, CSS3, and TypescriptProficient in React, Redux, ReactQueryExperience with modern JavaScript frameworks - ReactKnowledge of version control systems (Git)Understanding of cross-browser compatibilityFamiliarity with RESTful APIs, GraphQL and WebsocketsExperience with CSS pre-processors e.g. TailwindBack ...

youve served Written production-quality code using a variety of languages and frameworks, including but not limited to: Java, C#/.NET, Python, TypeScript, JavaScript, React, Go, Ruby, Scala, R, and SQL Leveraged AI-assistive development tools for tasks like scaffolding, refactoring, debugging, test generation, and documentation Experience building ...

MongoDB or another document database Cloud experience (AWS, Azure or GCP) Working knowledge of Linux/Unix Nice to have Angular, React, Node.js or JavaScript Keycloak, Kafka or ActiveMQ, Mockito, Jackson, JAX-RS Experience with high-traffic sites or large data sets How to apply Apply with your ...

across a modern and varied technology stack, including: Backend C# ASP.NET MVC APIs NUnit Database & Infrastructure SQL Docker IIS Azure DevOps GitHub Cloudflare Frontend JavaScript React Next.js Bootstrap CSS About You My client is looking for someone with: 4+ years' commercial software development experience Strong experience across full-stack technologies ...

understanding of MVC architecture , design patterns, and dependency injection. Experience building and maintaining RESTful APIs . Frontend Development Strong knowledge of HTML5, CSS3, and JavaScript (ES6+) . Commercial experience building applications with React.js . Experience with component-based architecture and state management using: React Hooks Redux Context API NgRx Experience ...

Python Back-End services and AWS infrastructure, taking features from initial refinement through to production. Skills and Experience: Strong hands-on React, TypeScript/JavaScript and Python/FastAPI development skills. Experience building REST APIs, microservices and secure authentication using OAuth2, OpenID Connect and JWT. Practical AWS experience, including ...

stakeholders to deliver end-to end solutions. Person Specification The successful candidate will have strong, demonstrable experience in: o React.js o Next.js o JavaScript (ES6+) and modern browser APIs o HTML5 & CSS3 (responsive design, accessibility, cross-browser compatibility) o TypeScript o Tailwind CSS or similar modern CSS frameworks o Node.js ...

clearance Significant experience in Agile environments (e.g., SCRUM, Kanban). Solid technical development background with strong coding skills in Java, C#, TypeScript, JavaScript, or similar Proven expertise in automation testing, with hands-on experience using tools like Playwright, Selenium, Cypress, or RestAssured Strong knowledge of integration testing and automation frameworks ...

data modelling and data warehousing skills, with the ability to transform, reconcile and manage customer data across multiple systems. Proficiency in Java, Python or JavaScript for integrations, automation and platform development. Experience with CI/CD, source control, automated testing and deployment pipelines using tools such as GitHub, GitLab, JFrog ...

full SDLC, not limited to test execution Experience working with at least one modern programming language such as Python (is a MUST), Java, JavaScript/Typescript or C# Experience with web, API, and non-functional testing approaches Experience using CI/CD pipelines to integrate and run automated tests Good ...

risk early. What You'll Bring Python (FastAPI), Node.js, REST APIs. SQL and PostgreSQL.Redis/Valkey for session and WebSocket coordination at scale. Strong JavaScript/TypeScript, HTML5, CSSReact (or equivalent), component architecture, state management. Responsive design, web performance (Core Web Vitals: LCP/INP/CLS).Git-based workflows ...

Development – Proficiency in Python (Pandas, FastAPI, Flask) for building enterprise applications, data processing, and API development • Frontend Development – Experience with ReactJS , Node.js, TypeScript/JavaScript, and modern web development practices • Database Technologies – Hands-on experience with RDBMS databases (e.g., Oracle, PostgreSQL) and NoSQL databases (e.g., MongoDB) • DevOps & Cloud – Experience with ...

Automate, Dataverse Experience of implementing D365 CE modules such as Sales, Customer Service, Contact Centre, Customer Insights Front end development experience using HTML, CSS, JavaScript, jQuery, Liquid Template Strong server-side development experience C#/.Net Strong experience using Plugins, Custom Workflow Activities, Custom APIs Integration experience with REST APIs ...

Automate, Dataverse Experience of implementing D365 CE modules such as Sales, Customer Service, Contact Centre, Customer Insights Front end development experience using HTML, CSS, JavaScript, jQuery, Liquid Template Strong server-side development experience C#/.Net Strong experience using Plugins, Custom Workflow Activities, Custom APIs Integration experience with REST APIs ...