26 to 50 of 1,542 JavaScript Jobs in the UK

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 ...

Lead Software Engineer, Full-Stack Applications - AI Fluent (Manchester)

Hiring Organisation
Fitch Group
Location
Manchester, United Kingdom
Employment Type
Full Time
data-driven applications using Python Hands-on React experience 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 APIs and integrating with third-party services. Solid understanding of software design principles ...

Senior Software Engineer (Full Stack)

Location
Belfast City District, Northern Ireland, United Kingdom
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 ...

Senior AI & Integration Engineer – C# / .NET / Azure

Hiring Organisation
Adria Solutions Ltd
Location
Manchester, United Kingdom
Employment Type
Permanent
Salary
£70000 - £75000/annum
Graph, Teams and SharePoint integrations. Azure AI services, document processing and retrieval-based solutions. Logic Apps, API Management, Service Bus and Key Vault. TypeScript, JavaScript or Python. Docker, infrastructure as code or Model Context Protocol. Salary & benefits £70,000–£75,000 salary. Four days working from home- one office Flexible ...

Experienced .NET Engineer

Location
Maidstone, England, United Kingdom
following: .NET Core 3.1 ASP.NET MVC (Core), Razor Pages, Blazor EF Core Azure (Web Apps, Serverless, Messaging, SQL Server/CosmosDB) HTML, CSS and JavaScript frameworks (React/Angular) CI/CD tools (Azure DevOps, CircleCI) Entity Framework Nice to Have Experience with API design (REST, JSON) Knowledge of distributed ...

Sr. Full Stack Developer (Java, React & Python)

Location
City Of London, England, United Kingdom
NoSQL databases like Redis, DynamoDB.Good understanding of the Agile methodologies and working in Scrum/SAFE practicesFamiliarity 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 (Git) and continuous integration ...

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 ...

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. ...

Node Developer

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
Agile development cycles, contributing to sprint planning, code reviews, and continuous delivery. Key Skills/Experience: Proven experience in Node.js development Strong knowledge of JavaScript (ES6+), asynchronous programming, and event-driven architecture. Experience with building and maintaining RESTful APIs. Solid understanding of SQL and NoSQL databases (e.g., MongoDB, PostgreSQL, MySQL ...

Full Stack Software Engineer

Location
Milton Keynes, England, United Kingdom
team Essential 5+ years’ commercial experience across the full software development lifecycle. A strong hands-on experience with Python, C#, TypeScript/JavaScript , and modern web frameworks such as Vue.js, React, Node.js, or Flask . You are experienced in building cloud-based applications using modern architectural approaches such as: serverless ...

Sr. Technical Lead / Architect

Location
Greater London, England, United Kingdom
development using frameworks such as FastAPI, Flask, or Django; Experience designing and developing RESTful APIs; Good understanding of front-end development with React JS, JavaScript (ES6+), and TypeScript; intermediate knowledge is sufficient; Familiarity with state management using Redux or Context API and experience integrating REST APIs into front-end applications ...

Node Developer

Location
Greater London, England, United Kingdom
Agile development cycles, contributing to sprint planning, code reviews, and continuous delivery. Key Skills/Experience: Proven experience in Node.js development Strong knowledge of JavaScript (ES6+), asynchronous programming, and event-driven architecture. Experience with building and maintaining RESTful APIs. Solid understanding of SQL and NoSQL databases (e.g., MongoDB, PostgreSQL, MySQL ...

Software Engineer - Java (Cambridge)

Location
Cambridge, England, United Kingdom
Experience with large code bases and version control systems. Experience with Linux as a development and production environment. Skills considered essential Java HTML CSS JavaScript REST APIs Spring Boot JBoss J2EE, JSP, Servlets, etc. Gradle or Maven Databases (Oracle) DDL and SQL Basic Networking Git & GitHub Linux (bash ...

Principal Software Engineer UK Wide

Location
United Kingdom
focus on large-scale, complex systems. Polyglot engineer comfortable working across multiple languages and frameworks (we’ve used Python, Java, Kotlin, Node.js, C#, JavaScript, Express, React and Next.js to name a few). Passion for learning new technologies and helping others do the same. Proven track record of leading software ...

Principal Software Engineer

Hiring Organisation
TPXImpact Holdings Plc
Location
Erith, Kent, South East, United Kingdom
Employment Type
Permanent
Salary
£90,000
with a focus on large-scale, complex systems. Polyglot engineer comfortable working across multiple languages and frameworks (weve used Python, Java, Kotlin, Node.js, C#, JavaScript, Express, React and Next.js to name a few). Passion for learning new technologies and helping others do the same. Proven track record of leading ...

Senior Front-End Web Developer (AVP)

Location
Belfast City District, Northern Ireland, United Kingdom
Education Bachelor's degree in Computer Science, Software Engineering, or a related field (or equivalent practical experience). Technical Skills Commercial experience of React.js, JavaScript, HTML, and CSS. Understanding of Java Familiarity with REST APIs. Knowledge of version control systems such as Git. Knowledge of Agile/Scrum methodologies Basic ...

Senior Engineer (Full-Stack)

Location
City Of London, England, United Kingdom
prioritisation of deliveries. Experience/Competencies Essential: 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 ...

AI Engineer-Anthropic-University/Graduate Level - UK

Location
Greater London, England, United Kingdom
relevant experience through internships, co‐ops, research, freelance work, academic projects, or professional roles. Experience with one or more programming languages, preferably Python, JavaScript/TypeScript, Java, or similar languages. Foundational understanding of software engineering concepts, APIs, databases, source control, and cloud‐based applications. Exposure to generative AI, LLMs, prompt ...

Senior Software Engineer

Location
Banbury, England, United Kingdom
developing large scale applications with complex data management and database storage solutions utilising microservices.- Required: C#, .NET, WPF and SQL.- Knowledge of Blazor, SQL, JavaScript, or Python, would be advantageous.- Strong technical background in modern software engineering techniques.Physical DemandsExtended Hours & Flexibility:- Many roles require working evenings, weekends, and public holidays ...

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 ...

Golang Full Stack Developer

Hiring Organisation
DNS Info Ltd
Location
Glasgow, Glasgow City, City of Glasgow, United Kingdom
Employment Type
Contract
Contract Rate
£350 - £450/day Inside IR35
commercial experience with Golang/Go. Strong experience in React.js/Next.js/TypeScript. Solid experience developing REST APIs and microservices. Good knowledge of JavaScript, HTML, and CSS. Experience with PostgreSQL, MySQL, MongoDB, or similar databases. Experience with Docker and Kubernetes. Hands-on experience with AWS, Azure, or GCP. Good ...

Automation Tester

Location
Glasgow, Scotland, United Kingdom
looking for Experience with automation tools such as Selenium, Playwright, Cypress or Appium. Strong skills in one or more of: Java, C#, JavaScript/TypeScript or Python. Experience with API testing tools such as Postman, RestAssured or Karate. Familiarity with BDD/TDD and tools such as Cucumber or SpecFlow. ...

Graduate Software Engineer C

Hiring Organisation
WHD
Location
Maidenhead, Royal Borough of Windsor and Maidenhead, Berkshire, United Kingdom
Employment Type
Permanent
Salary
£35000 - £36000/annum
oriented programming , data structures and algorithms , and common design patterns . Familiarity with one or more of the following: C#/.NET, React, TypeScript, JavaScript, SQL , or another object-oriented language. Exposure to relational databases, web development, Git, Visual Studio, or Azure DevOps/Jira would be an advantage ...

Insights Tech Lead

Location
Greater London, England, United Kingdom
comfortable working with ambiguity Experience developing internal developer tools or self-service analytical products Experience with CI/CD pipelines Experience with modern JavaScript frameworks such as React Passion for evaluating emerging technologies and identifying opportunities to improve Reward's analytical capability Experience mentoring technical colleagues and promoting engineering best ...

Lead Software Developer - SC Cleared

Hiring Organisation
Network IT
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 625 Daily
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 ...