51 to 75 of 1,666 JavaScript Jobs in the UK

Interim Technical Lead

Location
Borehamwood, England, United Kingdom
security and platform guardrails. Use approved engineering and AI‐assisted tools with appropriate security controls and human review. Our technology environment: Front‐end: React, JavaScript/TypeScript and component‐based UI development. Back‐end: .NET, C#, APIs, Entity Framework Core, services and integrations. Cloud: Microsoft Azure, monitoring and platform guardrails. ...

Technical Lead

Location
Borehamwood, England, United Kingdom
cloud, security and platform guardrails. Use approved engineering and AI-assisted tools with appropriate security controls and human review. Our technology environment: Frontend: React, JavaScript/TypeScript and component-based UI development. Backend: .NET, C#, APIs, Entity Framework Core, services and integrations. Cloud: Microsoft Azure, monitoring and platform guardrails. Tooling ...

Senior Dynamics 365 Customer Engagement (CE) Developer

Location
Greater London, England, United Kingdom
Responsibilities Solution Development Design, develop and maintain enterprise-scale Dynamics 365 CE solutions. Develop custom functionality using: C# .NET Plug-ins Custom Workflow Activities JavaScript/TypeScript Web API PCF Controls Extend and customise Model-Driven Apps to support complex business processes. Design and implement robust integrations with internal ...

Sr. Full Stack Developer

Location
Greater London, England, United Kingdom
databases like Redis, DynamoDB.* Good understanding of the Agile methodologies and working in Scrum/SAFE practices* Familiarity with front-end technologies (HTML, CSS, JavaScript) is a plus.* Exposure to the AI/ML techniques & methodologies is a plus.* Knowledge of software development best practices, including version control ...

Senior .NET Software Engineer - SaaS Platform (Hybrid)

Location
Metropolitan Borough of Solihull, England, United Kingdom
.NET/.NET Core. Good understanding of SQL and relational databases, with experience writing and optimising queries. Experience building web applications using HTML, JavaScript, and Razor or similar front-end technologies. Experience working with REST APIs and integrating applications with third-party systems. Experience using Visual Studio or VS Code ...

Portfolio Software Full Stack Engineer (Contractor)

Location
Cambridge, England, United Kingdom
improvements. Stay current with emerging AI development tooling and software engineering practices. Required Skills & Experience Strong proficiency in Node.js development using TypeScript and modern JavaScript (ES6+) . Experience designing and implementing RESTful APIs and backend services . Strong understanding of software engineering principles, clean code practices and maintainable application architecture. ...

Senior Engineer (Full-Stack)

Location
City Of London, England, United Kingdom
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-end skillsProficiency ...

Java Full Stack Engineer-Consultant-Digital Excellence

Location
Manchester, England, United Kingdom
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 ...

Java Full Stack Engineer-Consultant-Digital Excellence

Location
Glasgow, Scotland, United Kingdom
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 ...

Java Full Stack Engineer-Consultant-Digital Excellence

Location
Greater London, England, United Kingdom
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 ...

Java Full Stack Engineer-Consultant-Digital Excellence

Location
Newcastle upon Tyne, England, United Kingdom
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 ...

Senior .Net Developer

Location
Greater London, England, United Kingdom
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 ...

GenAI Full Stack Engineer - Consultant / Senior Consultant - Digital Excellence

Location
United Kingdom
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 ...

Graduate Software Engineering Programme September 2027

Hiring Organisation
Capgemini
Location
Brighton and Hove, United Kingdom
Employment Type
Full Time
Salary
35000 GBP Annually
platform engineering capabilities Software Engineer: Degree in Computer Science or related a STEM discipline Proficiency in one or more programming languages (Java, Python, C++, JavaScript) Understanding of object-oriented programming (OOP) principles Experience with modern frameworks (e.g. React, Angular, Spring Boot, Django) Knowledge of full-stack development concepts (e.g. MEAN ...

Graduate Software Engineering Programme 2027 1

Location
Hove, England, United Kingdom
platform engineering capabilities**Software Engineer:*** Degree in Computer Science or related a STEM discipline* Proficiency in one or more programming languages (Java, Python, C++, JavaScript)* Understanding of object-oriented programming (OOP) principles* Experience with modern frameworks (e.g. React, Angular, Spring Boot, Django)* Knowledge of full-stack development concepts (e.g. MEAN ...

Graduate Software Engineering Programme 2027 1

Location
Telford, England, United Kingdom
platform engineering capabilities**Software Engineer:*** Degree in Computer Science or related a STEM discipline* Proficiency in one or more programming languages (Java, Python, C++, JavaScript)* Understanding of object-oriented programming (OOP) principles* Experience with modern frameworks (e.g. React, Angular, Spring Boot, Django)* Knowledge of full-stack development concepts (e.g. MEAN ...

Graduate Software Engineering Programme September 2027

Location
Telford, England, United Kingdom
projects demonstrating platform engineering capabilitiesSoftware Engineer:Degree in Computer Science or related a STEM disciplineProficiency in one or more programming languages (Java, Python, C++, JavaScript)Understanding of object-oriented programming (OOP) principlesExperience with modern frameworks (e.g. React, Angular, Spring Boot, Django)Knowledge of full-stack development concepts (e.g. MEAN/ ...

Technical Lead

Location
Greater London, England, United Kingdom
Nexus, etc. Good understanding on Containerisation solutions, e.g., K8, Docker, Kaniko, etc. Proficiency in at least one of the standard programming languages – Java/JavaScript, C#, Python, or similar Object-oriented programming Proficiency in at least one of the standard scripting languages – Terraform, Bash, Ansible, etc. Good understanding of Software ...

Principal Full Stack Engineer

Location
Leeds, England, United Kingdom
combine strong technical capability with excellent communication and leadership skills. You should have experience in: At least two of the following technologies: Python, JavaScript, Node.js, C# or Java Building and supporting applications within AWS and/or Azure Infrastructure as Code using Terraform or similar technologies CI/CD tooling ...

Senior Web Developer

Hiring Organisation
Langley James Limited
Location
Chester, North West, United Kingdom
Employment Type
Permanent Contract, On-site
Salary
£70,000
quality * Working closely with backend developers, designers, and stakeholders to deliver end-to end solutions You will have strong, demonstrable experience in: React.js, Next.js, JavaScript (ES6+) and modern browser APIs, HTML5 & CSS3 (responsive design, accessibility, cross-browser compatibility), TypeScript, Tailwind CSS or similar modern CSS frameworks, Node.js (front-end tooling ...

Software Engineer

Location
Bristol, England, United Kingdom
operating within an Agile framework. Pro‐active DevOps culture, CI/CD pipeline and trunk‐based development. Excellent knowledge of HTML/CSS (SCSS), JavaScript and Typescript. Fluent use of Git (GitLab). Awareness of website performance best practices and non‐functional requirements. Ability to write, review or assist ...

Software Test Automation Engineer

Location
Belfast City District, Northern Ireland, United Kingdom
background should ideally include: Hands-on experience with a UI automation framework such as Playwright, Cypress or Selenium. Coding or scripting experience using TypeScript, JavaScript, Java or a similar language. An understanding of REST API testing and validation. Experience managing test cases and defects through tools such as Jira ...

Senior Software Developer in Test - Senior Consultant

Location
Greater London, England, United Kingdom
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 ...

Senior Software Developer in Test - Senior Consultant

Hiring Organisation
Scale Factory
Location
South East London, South East, United Kingdom
Employment Type
Permanent Contract, Hybrid
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 ...

Non-Functional Test Engineer - Public Sector

Location
Hursley, England, United Kingdom
technical and professional expertise Strong experience designing and implementing automation across UI, API, services, and integration layers Proficiency in programming languages such as Java, JavaScript/TypeScript, Python, or C# Hands‐on experience with automation tools (Selenium, Playwright, Cypress, RestAssured, Appium, etc.) Strong understanding of microservices, containers, and distributed architectures ...