26 to 50 of 720 JavaScript Jobs in the UK

Full Stack Engineer

Hiring Organisation
ISR RECRUITMENT LIMITED
Location
Nationwide, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £525/day (Outside IR35)
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 ...

Software Developer

Hiring Organisation
Sanderson
Location
Cheltenham, Gloucestershire, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £65,000 per annum
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 ...

Senior Software Developer in Test - Senior Consultant

Hiring Organisation
Centre4 Testing
Location
London, UK
Employment Type
Full-time
Experience: Eligibility for SC clearanceSignificant experience in Agile environments (e.g., SCRUM, Kanban).Solid technical development background with strong coding skills in Java, C#, TypeScript, JavaScript, or similarProven expertise in automation testing, with hands-on experience using tools like Playwright, Selenium, Cypress, or RestAssuredStrong knowledge of integration testing and automation frameworksExperience ...

Senior Software Developer

Hiring Organisation
First Databank
Location
Exeter, Devon, South West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£50,000
Knowledge of SOLID principles, domain-driven design (DDD) and test-driven development (TDD) - Experience with test automation, unit testing, mocking and refactoring - Experience with JavaScript frameworks such as React - Experience using object-relational mapping (ORM) tools, such as Entity Framework - Experience working with Agile and Scrum methodologies - Experience using agentic ...

Senior Software Developer

Hiring Organisation
First Databank
Location
London, England, United Kingdom
Knowledge of SOLID principles, domain-driven design (DDD) and test-driven development (TDD) - Experience with test automation, unit testing, mocking and refactoring - Experience with JavaScript frameworks such as React - Experience using object-relational mapping (ORM) tools, such as Entity Framework - Experience working with Agile and Scrum methodologies - Experience using agentic ...

Principle Engineer

Hiring Organisation
Sanderson Government and Defence
Location
London, United Kingdom
Employment Type
Contract
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 ...

Principle Engineer

Location
United Kingdom
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 ...

Lead Software Developer In Test - Lead Consultant

Hiring Organisation
Scale Factory
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
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 ...

Full Stack Software Engineer

Hiring Organisation
Sartorius
Location
Royston, Hertfordshire, UK
Employment Type
Full-time
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 ...

Developer - CDM

Hiring Organisation
RS Group
Location
North Northamptonshire, United Kingdom
Employment Type
Full Time
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 ...

M365 Power Platform Consultant

Hiring Organisation
Version 1
Location
London, UK
Employment Type
Full-time
core feature set, and working knowledge of SharePoint Services; BCS, Search, Excel, etc. Knowledge of C# & SQL programming (e.g. TSQL) advantageousKnowledge of HTML, CSS3, JavaScript, jQuery, and Source control methodologies and principles advantageousKnowledge of React, Angular, or other JS frameworks advantageous. Familiarity with MVC framework, working knowledge of common architectural ...

Senior Software Engineer, Full-Stack Applications (Python)

Hiring Organisation
Fitch Group
Location
Manchester, United Kingdom
Employment Type
Full Time
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 ...

Lead Fullstack Software Engineer - Java, Springboot, Microservices

Hiring Organisation
TPXImpact Holdings Plc
Location
East London, London, United Kingdom
Employment Type
Permanent
Salary
£75,000
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/ ...

CRM Salesforce Developer

Hiring Organisation
RS Group
Location
North Northamptonshire, United Kingdom
Employment Type
Full Time
APIs, event-driven architectures and data integration technologies . Good understanding of SQL, data modelling, data warehousing and ETL/ELT concepts. Proficiency in JavaScript, Apex, Java or Python . Strong understanding of Salesforce security, governance, data privacy and GDPR . Experience with CI/CD, source control, automated testing ...

Technical Graduate - January 2027

Hiring Organisation
CGI
Location
United Kingdom
Employment Type
Full Time
Salary
1000 GBP Annually
years of continuous UK residency). Technical skills we value include: Programming Languages: Proficiency in one or more of C++, Java, Python, JavaScript, or C#. Systems & Tools: Familiarity with Linux/Unix, version control systems (e.g., Git), and DevOps tools (e.g., Docker, Kubernetes). Cloud Technologies: Exposure to platforms such ...

Solution Architect

Hiring Organisation
Version 1
Location
London, UK
Employment Type
Full-time
Azure Event Grid, with the ability to design scalable and resilient integration solutions. Microsoft Stack Expertise: Strong knowledge of the Microsoft stack (.NET, JavaScript, ASP.NET, C#) for plugins, workflows, and custom integrations. Agile Methodologies: Experience working within Agile and DevOps teams. Experience with Azure DevOps for CI/ ...

.NET Developer

Hiring Organisation
Noir
Location
Wakefield, West Yorkshire, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £70,000 per annum
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. ...

.NET Developer

Hiring Organisation
Noir
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £90,000 per annum
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. ...

.NET Developer - Newcastle-under-Lyme

Hiring Organisation
Noir
Location
Staffordshire, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £65,000 per annum
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 ...

.NET Developer, CMS, Sitecore, EpiServer, Umbraco

Hiring Organisation
Noir
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £75,000 per annum
such as Sitecore, Optimizely, Umbraco, Alterian, Immediacy, Ektron, Kentico, Sitefinity or dotnetnuke. Our client can provide you with industry recognised training in: .NET 10.0, 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 MongoDB. This ...

GenAI Full Stack Engineer - Managing Consultant

Hiring Organisation
83zero Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£80,000
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 ...

GenAI Full Stack Engineer - Managing Consultant

Hiring Organisation
83zero Limited
Location
Manchester, North West, United Kingdom
Employment Type
Permanent
Salary
£80,000
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 ...

GenAI Full Stack Engineer - Managing Consultant

Hiring Organisation
83zero Ltd
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £80,000 per annum
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 Salesforce Developer

Hiring Organisation
Chroma Recruitment Ltd
Location
Manchester, North West, United Kingdom
Employment Type
Permanent
using APIs, event-driven architecture and data integration tooling Good understanding of SQL, data modelling, data warehousing and ETL/ELT concepts Proficiency in JavaScript, Apex, Java or Python Solid grasp of Salesforce security, governance, data privacy and GDPR Experience with CI/CD, source control, automated testing and release ...

Site Reliability Engineer (SRE) National Security

Hiring Organisation
Anson Mccade
Location
Leeds, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent, Work From Home
Experience will vary depending on grade, but relevant skills and experience may include: Software development experience, ideally with Java and web technologies such as JavaScript and HTML. Working knowledge of Linux and Windows environments, including Bash and PowerShell. Experience with cloud infrastructure such as AWS, Azure or OpenStack. Familiarity with ...