101 to 125 of 1,587 JavaScript Jobs in the UK

exploratory, systems integration and user acceptance testing e.g. manual testing. Confident with building and maintaining frameworks in one or more of these languages: Java, JavaScript, Python, or C#. Have practical experience with open source tools such as: Cypress, Karate, PlayWright, Selenium or similar. Worked in an agile environment. Develop ...

leadership in QA/testing roles, with experience guiding teams and managing delivery in Agile environments (SCRUM, Kanban) Strong programming skills in Java, C#, JavaScript/TypeScript , or similar Deep expertise in test automation frameworks such as Selenium, Playwright, Cypress, or RestAssured Experience with integration testing, test strategy , and test ...

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 ...

technical excellenceContributing to architectural decisions, reducing technical debt and improving platform sustainabilityWho we're looking for:Strong commercial experience developing software using Java and JavaScript/TypeScriptExperience building and supporting RESTful microservices in Spring Boot, Node.js or similar frameworksSolid understanding of cloud technologies, ideally Azure, alongside infrastructure and containerisation toolsExperience ...

people within software teamWhile we advocate for using the right tech for the right task, we often leverage the following technologies: Python, TypeScript/JavaScript, React, Node, Flask, SQL, cloud infra, CI/CD).Exceptional time management to meet your responsibilities in a complex and largely autonomous work environment.Strong communication ...

Employee Privacy NoticeMust-havesDegree in Computer Science, Software Engineering, or a related disciplineSignificant experience delivering software solutions at Principal Engineer levelStrong expertise in TypeScript, JavaScript, and Angular or comparable modern front-end technologiesExperience building backend services using Node.js or similar technologiesProven experience designing and developing complex distributed systemsDeep understanding ...

lifecycle patterns. Experience developing agent-driven workflows using frameworks such as LangChain, Google ADK, or similar orchestration frameworks. Experience frontend fundamentals, including HTML, CSS, JavaScript, browser rendering, DOM APIs, and performance tuning. Experience with automated testing withPlaywright, performance testing, code reviews, and CI/CD practices. Experience building secure, scalable ...

creating practical, scalable solutions. Collaboration: Working effectively with engineers, analysts and stakeholders to achieve shared objectives.Experience developing web applications using technologies such as JavaScript, TypeScript, React or Java.Experience integrating APIs into modern, data-driven applications.Familiarity with cloud platforms such as Google Cloud Platform (GCP), AWS or Azure.Interest in data analysis ...

creating practical, scalable solutions. Collaboration: Working effectively with engineers, analysts and stakeholders to achieve shared objectives.Experience developing web applications using technologies such as JavaScript, TypeScript, React or Java.Experience integrating APIs into modern, data-driven applications.Familiarity with cloud platforms such as Google Cloud Platform (GCP), AWS or Azure.Interest in data analysis ...

technical solutionPrevious software development experience or working knowledge in one or more of the following areas:Backend (Java, C#, Node.js, Python, PHP)Web development (JavaScript, HTML/CSS, frontend frameworks - React, Vue.js, Angular)Experience building with REST APIsPrevious experience in Telecom, SIP, Contact Center, or Security .Experience with sales methodologiesBachelor ...

impact to the security of the UK. About you You will have experience in many of the following: Programming in one or more of JavaScript, Java, .Net, Python Collaboratively designing and building Proof of Concept or Production systems Source controlling your code with Version Control Systems, for example Git, Mercurial ...

right tech for the right task, you can expect to work with the following technologies to ensure scalable, high-performance applications: Programming Languages: JavaScript/TypeScript, Java, C#Frameworks: Vue/Angular/React/Node/Next, Spring/Spring Boot, .NET/ASP.NETCloud platforms: AWS, GCP, Azure CI/ ...

impact to the security of the UK. About you You will have experience in many of the following: Programming in one or more of JavaScript, Java, .Net, Python Collaboratively designing and building Proof of Concept or Production systems Source controlling your code with Version Control Systems, for example Git, Mercurial ...

Contribute to continuous improvement within your team Collaborate with your peers on technical direction within your team Desired Skills and Experience Core Software Engineering JavaScript frameworks (React, NextJS) TypeScript Python Java REST API development OpenAPI/Swagger Cloud & Infrastructure Cloud services (AWS or Azure) Containerisation & Orchestration (Docker, Kubernetes, OpenShift) Infrastructure ...

within your team Collaborate with your peers on technical direction within your team Required Skills and Experience Full-stack experience across a selection of JavaScript frameworks (React, NextJS), TypeScript, Python, Java REST API development & OpenAPI/Swagger Cloud services (AWS or Azure) Containerisation & Orchestration (Docker, Kubernetes, OpenShift) Infrastructure as Code ...

APIs and backend services. Strong MySQL knowledge, including query optimisation and performance tuning. Understanding of software architecture, design patterns, and SOLID principles. Experience with JavaScript (ES6+), HTML5, CSS, Git, Docker, and Linux/WSL environments. Strong experience with unit testing, automated testing, and code reviews. Experience working in Agile/ ...

continuous improvement initiativesCore RequirementsProfessional experience in software development (typically 2+ years depending on seniority)Proficiency in one or more programming languages (e.g., Java, Python, JavaScript, C#, Go)Experience with modern development frameworks and toolsBusiness-level Japanese (JLPT N2-N1 or equivalent) and English proficiencyExperience working in a team-based development ...

delivery. What We're Looking For 5+ years' commercial software engineering experience. Strong experience developing applications using C#/.NET . Experience with React , JavaScript and TypeScript. Strong understanding of cloud-native application development on Microsoft Azure . Experience with Azure services such as: App Service, Azure Functions, Azure Kubernetes ...

delivery. What We're Looking For 5+ years' commercial software engineering experience. Strong experience developing applications using C#/.NET . Experience with React , JavaScript and TypeScript. Strong understanding of cloud-native application development on Microsoft Azure . Experience with Azure services such as: App Service, Azure Functions, Azure Kubernetes ...

development. Familiarity with bot platforms, conversational AI, or NLP tooling. Agile delivery and sprint management skills. Proficiency in modern frontend technologies (HTML, CSS, Tailwind, JavaScript/TypeScript, Vue.js React or equivalent) Experience in backend technologies (Laravel/PHP, Python FastAPI Experience using AWS including - ECS, IAM, RDS, CloudWatch, and terraform ...

application development (.NET Core, C#) or winforms/WPF (C#) development. Our client will provide you with training into: .NET 10.0, WPF, MVVM, Prism, JavaScript, React, Angular 21, Microservices, MongoDB, Vue.js, TypeScript, Azure, AWS, ASP.NET Core Web API, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and Azure SQL. ...

application development (.NET Core, C#) or winforms/WPF (C#) development. Our client will provide you with training into: .NET 10.0, WPF, MVVM, Prism, JavaScript, React, Angular 21, Microservices, MongoDB, Vue.js, TypeScript, Azure, AWS, ASP.NET Core Web API, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and Azure SQL. ...

application development (.NET Core, C#) or winforms/WPF (C#) development. Our client will provide you with training into: .NET 10.0, WPF, MVVM, Prism, JavaScript, React, Angular 21, Microservices, MongoDB, Vue.js, TypeScript, Azure, AWS, ASP.NET Core Web API, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and Azure SQL. ...

application development (.NET Core, C#) or winforms/WPF (C#) development. Our client will provide you with training into: .NET 10.0, WPF, MVVM, Prism, JavaScript, React, Angular 21, Microservices, Azure Cosmos DB, Vue.js, TypeScript, Azure, AWS, ASP.NET Core Web API, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban ...

application development (.NET Core, C#) or winforms/WPF (C#) development. Our client will provide you with training into: .NET 10.0, WPF, MVVM, Prism, JavaScript, React, Angular 21, Microservices, Azure Cosmos DB, Vue.js, TypeScript, Azure, AWS, ASP.NET Core Web API, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban ...