76 to 100 of 1,740 JavaScript Jobs in the UK

Principal Software Engineer (.Net)

Hiring Organisation
Primis
Location
Peterborough, Cambridgeshire, UK
Employment Type
Full-time
Event-driven, microservices-oriented design Cloud: Azure (AWS experience valued), Infrastructure-as-Code Data: SQL, caching strategies, message brokers (RabbitMQ, etc.) Frontend: HTML, CSS, JavaScript DevOps: CI/CD pipelines, Behaviour-Driven Development, modern agile methodologies What You Bring: 10+ years of software engineering with proven architectural leadership - you shape ...

Principal Software Engineer (.Net)

Hiring Organisation
Primis
Location
Bedford, Bedfordshire, UK
Employment Type
Full-time
Event-driven, microservices-oriented design Cloud: Azure (AWS experience valued), Infrastructure-as-Code Data: SQL, caching strategies, message brokers (RabbitMQ, etc.) Frontend: HTML, CSS, JavaScript DevOps: CI/CD pipelines, Behaviour-Driven Development, modern agile methodologies What You Bring: 10+ years of software engineering with proven architectural leadership - you shape ...

Principal Software Engineer (.Net)

Hiring Organisation
Primis
Location
Norwich, Norfolk, UK
Employment Type
Full-time
Event-driven, microservices-oriented design Cloud: Azure (AWS experience valued), Infrastructure-as-Code Data: SQL, caching strategies, message brokers (RabbitMQ, etc.) Frontend: HTML, CSS, JavaScript DevOps: CI/CD pipelines, Behaviour-Driven Development, modern agile methodologies What You Bring: 10+ years of software engineering with proven architectural leadership - you shape ...

Principal Software Engineer (.Net)

Hiring Organisation
Primis
Location
Colchester, Essex, UK
Employment Type
Full-time
Event-driven, microservices-oriented design Cloud: Azure (AWS experience valued), Infrastructure-as-Code Data: SQL, caching strategies, message brokers (RabbitMQ, etc.) Frontend: HTML, CSS, JavaScript DevOps: CI/CD pipelines, Behaviour-Driven Development, modern agile methodologies What You Bring: 10+ years of software engineering with proven architectural leadership - you shape ...

Principal Software Engineer (.Net)

Hiring Organisation
Primis
Location
Ipswich, Suffolk, UK
Employment Type
Full-time
Event-driven, microservices-oriented design Cloud: Azure (AWS experience valued), Infrastructure-as-Code Data: SQL, caching strategies, message brokers (RabbitMQ, etc.) Frontend: HTML, CSS, JavaScript DevOps: CI/CD pipelines, Behaviour-Driven Development, modern agile methodologies What You Bring: 10+ years of software engineering with proven architectural leadership - you shape ...

Principal Software Engineer (.Net)

Hiring Organisation
Primis
Location
Wakefield, West Yorkshire, UK
Employment Type
Full-time
Event-driven, microservices-oriented design Cloud: Azure (AWS experience valued), Infrastructure-as-Code Data: SQL, caching strategies, message brokers (RabbitMQ, etc.) Frontend: HTML, CSS, JavaScript DevOps: CI/CD pipelines, Behaviour-Driven Development, modern agile methodologies What You Bring: 10+ years of software engineering with proven architectural leadership - you shape ...

Principal Software Engineer (.Net)

Hiring Organisation
Primis
Location
Hemel Hempstead, Hertfordshire, UK
Employment Type
Full-time
Event-driven, microservices-oriented design Cloud: Azure (AWS experience valued), Infrastructure-as-Code Data: SQL, caching strategies, message brokers (RabbitMQ, etc.) Frontend: HTML, CSS, JavaScript DevOps: CI/CD pipelines, Behaviour-Driven Development, modern agile methodologies What You Bring: 10+ years of software engineering with proven architectural leadership - you shape ...

Principal Software Engineer (.Net)

Hiring Organisation
Primis
Location
High Wycombe, Buckinghamshire, UK
Employment Type
Full-time
Event-driven, microservices-oriented design Cloud: Azure (AWS experience valued), Infrastructure-as-Code Data: SQL, caching strategies, message brokers (RabbitMQ, etc.) Frontend: HTML, CSS, JavaScript DevOps: CI/CD pipelines, Behaviour-Driven Development, modern agile methodologies What You Bring: 10+ years of software engineering with proven architectural leadership - you shape ...

Principal Software Engineer (.Net)

Hiring Organisation
Primis
Location
Brighton, East Sussex, UK
Employment Type
Full-time
Event-driven, microservices-oriented design Cloud: Azure (AWS experience valued), Infrastructure-as-Code Data: SQL, caching strategies, message brokers (RabbitMQ, etc.) Frontend: HTML, CSS, JavaScript DevOps: CI/CD pipelines, Behaviour-Driven Development, modern agile methodologies What You Bring: 10+ years of software engineering with proven architectural leadership - you shape ...

Principal Software Engineer (.Net)

Hiring Organisation
Primis
Location
Newport, Isle of Wight, UK
Employment Type
Full-time
Event-driven, microservices-oriented design Cloud: Azure (AWS experience valued), Infrastructure-as-Code Data: SQL, caching strategies, message brokers (RabbitMQ, etc.) Frontend: HTML, CSS, JavaScript DevOps: CI/CD pipelines, Behaviour-Driven Development, modern agile methodologies What You Bring: 10+ years of software engineering with proven architectural leadership - you shape ...

Principal Software Engineer (.Net)

Hiring Organisation
Primis
Location
Crawley, West Sussex, UK
Employment Type
Full-time
Event-driven, microservices-oriented design Cloud: Azure (AWS experience valued), Infrastructure-as-Code Data: SQL, caching strategies, message brokers (RabbitMQ, etc.) Frontend: HTML, CSS, JavaScript DevOps: CI/CD pipelines, Behaviour-Driven Development, modern agile methodologies What You Bring: 10+ years of software engineering with proven architectural leadership - you shape ...

Principal Software Engineer (.Net)

Hiring Organisation
Primis
Location
Newcastle upon Tyne, UK
Employment Type
Full-time
Event-driven, microservices-oriented design Cloud: Azure (AWS experience valued), Infrastructure-as-Code Data: SQL, caching strategies, message brokers (RabbitMQ, etc.) Frontend: HTML, CSS, JavaScript DevOps: CI/CD pipelines, Behaviour-Driven Development, modern agile methodologies What You Bring: 10+ years of software engineering with proven architectural leadership - you shape ...

GenAI Full Stack Engineer - Consultant / Senior Consultant

Hiring Organisation
83zero Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£70,000
using 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 ...

Senior Software Engineer

Hiring Organisation
Mane Contract Services
Location
Filton, Gloucestershire, United Kingdom
Employment Type
Permanent
Salary
GBP 80,000 Annual
automation including Infrastructure as Code, CI/CD, and test automation. Required Skills and Experience: Strong proficiency in modern Java; knowledge of Python, C++, JavaScript, TypeScript, or React is a plus. Experience developing on Linux. Solid understanding of mocking and unit-testing frameworks such as JUnit 5. Experience with ...

Full Stack Developer

Hiring Organisation
Sanderson Recruitment
Location
South West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
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 ...

Software Team Lead

Hiring Organisation
Zenovo
Location
Gloucestershire, United Kingdom
Employment Type
Permanent
Salary
GBP 70,000 - 80,000 Annual
Required Skills & Experience: Technical Qualifications; • 5+ years of professional software development experience. • Strong proficiency in one or more languages such as Python, Java, or JavaScript/TypeScript. • Full-stack development experience, ideally with React (or similar) on the frontend and RESTful APIs backed by relational databases (e.g., Postgres ...

Software Team Lead

Hiring Organisation
Zenovo
Location
Yate, North Bristol, Nibley, Gloucestershire, United Kingdom
Employment Type
Part Time
Salary
£70000 - £80000/annum Up to £80,000 (depending on experien
Required Skills & Experience: Technical Qualifications; • 5+ years of professional software development experience. • Strong proficiency in one or more languages such as Python, Java, or JavaScript/TypeScript. • Full-stack development experience, ideally with React (or similar) on the frontend and RESTful APIs backed by relational databases (e.g., Postgres ...

Lead Developer

Hiring Organisation
Broster Buchanan
Location
Kemble, Cirencester, Gloucestershire, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £75,000 per annum
Visualforce, Lightning Web Components, SOQL/SOSL. NetSuite: SuiteScript x, SuiteFlow, SuiteCloud, RESTlets, SuiteTalk. Halo (or similar) ITSM: .NET/C#, REST API, General: JavaScript, SQL, HTML/CSS, Git, CI/CD Integration Expertise: REST/SOAP APIs, middleware Business Intelligence: Tableau, data transformation, automated data Azure Cross-Platform ...

Engineering Manager

Hiring Organisation
Stepstone UK
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Tealium Event Stream, and Adobe Analytics Experience of integrating data sources via web and hypermedia APIs Proficient in Web Technologies like HTML, CSS, JavaScript, React.js, Next.js and Node.js, and in event-driven and eventual consistency systems using Kafka, .Net, Java, REST APIs, AWS, Terraform and DevOps Nice to have:experience ...

Engineering Manager

Hiring Organisation
Stepstone UK
Location
Portsmouth, Hampshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Tealium Event Stream, and Adobe Analytics Experience of integrating data sources via web and hypermedia APIs Proficient in Web Technologies like HTML, CSS, JavaScript, React.js, Next.js and Node.js, and in event-driven and eventual consistency systems using Kafka, .Net, Java, REST APIs, AWS, Terraform and DevOps Nice to have:experience ...

Agentic AI Developer

Hiring Organisation
Advanced Resource Managers Limited
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
/model integration and rapid prototyping; familiarity with frameworks such as FastAPI, Flask, Django, or similar. Strong experience in front-end development (JavaScript, TypeScript, React, Angular, or Vue.js) for building interactive web applications and UIs. Knowledge of back-end development (Node.js, Python, Java, or C#) for robust API and service ...

Software Engineering Manager - UCX (Web Frontend)

Hiring Organisation
Hargreaves Lansdown
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
essential , with a strong grasp of front-end design patterns and best practices. Proven hands-on software engineering background across modern web technologies, including JavaScript, HTML, CSS, and React-based frameworks . Strong understanding of modern front-end architecture, including state management, routing, navigation, performance optimisation, module federation, microservice architecture ...

Sr Web Developer

Hiring Organisation
Tank Recruitment
Location
Northampton, Northamptonshire, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
complex issues across front end, back end, and database Contribute to planning, estimation, and system modernisation What we're looking for Strong HTML, CSS, JavaScript , and accessibility experience (WCAG 2.2 AA) Strong C# and .NET experience Experience with SQL/relational databases (SQL Server preferred) Familiarity with Git, jQuery, SASS ...

Senior / Lead Full Stack Developer

Hiring Organisation
Chameleon IT Solutions Limited
Location
East Anglia, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
months mentoring or leading junior engineers . Key technical skills include: Frontend: ReactJS, Next.js, modern UI principles. Backend: Node.js, ASP.NET (C#), Spatial Data Languages: JavaScript (ES6+), TypeScript, C# Databases: SQL Server, PostgreSQL, MongoDB. APIs: RESTful, GraphQL. Testing: Jest or similar frameworks. Cloud Infrastructure: DevOps/AWS/Github/Jira ...

Senior Microsoft Stack Developer, C#, .NET, Azure, Mainly Remote

Hiring Organisation
Carrington Recruitment Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £78,000 per annum, Negotiable
delivering digital products (web apps and services) to market using agile methodologies. Strong proficiency in C#, .NET, React and Azure. Other development skillsets: JavaScript, HTML/CSS, Azure PaaS (Azure Functions, Azure Logic Apps, Cosmos DB, Azure App Service, Azure Service Bus), ARM/Bicep templates, SharePoint. Demonstrable creative flair ...