76 to 100 of 1,319 JavaScript Jobs in England

Senior Software Engineer

Hiring Organisation
GTreasury
Location
London Area, United Kingdom
mentoring others while staying close to the code. 💻 Core Tech Stack C#/ASP.NET Core Azure (cloud architecture & services) Microsoft SQL Server Modern JavaScript frameworks (Angular experience a plus) CI/CD with Azure DevOps TDD/BDD practices 🧠 Your Impact Design and build scalable, resilient cloud applications Take ownership ...

Senior Software Engineer

Hiring Organisation
Investigo
Location
Nottingham, UK
Employment Type
Full-time
improvements that directly impact clients. Candidates must have or be eligible for SC clearance. Role Highlights Maintain, enhance and deploy production applications using Python, JavaScript/TypeScript, and cloud platforms (AWS, Azure, or GCP) Develop new features, improvements, and integrations based on client feedback, service metrics, or evolving requirements Troubleshoot ...

Senior Software Engineer

Hiring Organisation
Investigo
Location
Derby, England, United Kingdom
improvements that directly impact clients. Candidates must have or be eligible for SC clearance. Role Highlights Maintain, enhance and deploy production applications using Python, JavaScript/TypeScript, and cloud platforms (AWS, Azure, or GCP) Develop new features, improvements, and integrations based on client feedback, service metrics, or evolving requirements Troubleshoot ...

Software Engineering Team Lead

Hiring Organisation
Provide
Location
Cambridgeshire, England, United Kingdom
/CD pipelines and cloud-native best practices Establish monitoring, logging, and observability What You’ll Bring Strong backend experience with Node.js, TypeScript, JavaScript Experience leading engineering teams Cloud platform experience (AWS or Azure) API integration experience (REST/GraphQL) Docker & Kubernetes in production CI/CD and DevOps practices ...

Senior Software Engineer - eDV Cleared

Hiring Organisation
Searchability NS&D
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £100,000 per annum
SENIOR SOFTWARE ENGINEER TO HAVE.... Current enhanced DV clearance Experience with at least one or more of the following: Java, Python, C++, .NET, C#, JavaScript, React Experience mentoring juniors or leading a team Experience/Knowledge of automation IT WOULD BE NICE FOR THE SENIOR SOFTWARE ENGINEER TO HAVE.... Cloud ...

Mid-Level Software Developer

Hiring Organisation
Oscar Associates (UK) Limited
Location
Manchester, North West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£50,000
decisions and improving development practices Building cloud-first solutions with scalability and performance in mind Tech Stack Core technologies: .NET/.NET Core C# JavaScript Plus experience with the following: Azure (App Services, Functions, Storage, DevOps) ASP.NET MVC/Web API SQL Server & relational databases Entity Framework RESTful APIs HTML ...

Contract Senior Software Engineer - eDV Cleared

Hiring Organisation
Searchability NS&D
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £750 per day
NEED THE SENIOR SOFTWARE ENGINEER TO HAVE.... Current enhanced DV clearance Experience with at least one of the following: Java, Python, C++, C#, .NET, JavaScript, React Experience mentoring juniors or leading teams is nice to have but not essential Experience/Knowledge of automation IT WOULD BE NICE ...

Full Stack Developer

Hiring Organisation
Proactive Appointments
Location
Folkestone, Kent, England, United Kingdom
Employment Type
Full-Time
Salary
£28,000 - £30,000 per annum
dataset preparation. Experience supporting or developing Power BI dashboards and data visualisations. Familiarity with APIs, automation tools and AI/ML-driven platforms. Strong JavaScript and jQuery skills, including asynchronous handling and AJAX. Knowledge of version control tools such as Azure DevOps. Understanding of UX principles across online and mobile ...

Umbraco Developer

Hiring Organisation
Elevation Recruitment Group
Location
Doncaster, South Yorkshire, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £65,000 per annum
quality delivery Working with SQL Server to ensure secure and accurate data and content management Supporting front-end changes using Razor, HTML, CSS and JavaScript when needed Troubleshooting issues, improving performance and optimising stability, security and speed Working closely with marketing, IT and operational teams to ensure digital platforms support ...

Lead GenAI Full Stack Engineer / Managing Consultant

Hiring Organisation
83zero Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£85,000
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 ...

Lead GenAI Full Stack Engineer / Managing Consultant

Hiring Organisation
83zero Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £88,000 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 ...

Generative AI Consultant

Hiring Organisation
83zero Ltd
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 45,000 - 70,000 Annual
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 ...

Generative AI Consultant

Hiring Organisation
83zero Ltd
Location
London, Fleet Street, United Kingdom
Employment Type
Permanent
Salary
£45000 - £70000/annum Bonus, Pension, PH, LA
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 ...

Generative AI Engineer

Hiring Organisation
83zero Limited
Location
Central London, London, United Kingdom
Employment Type
Permanent
Salary
£85,000
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 ...

Software Engineer

Hiring Organisation
Cocentric
Location
City of London, London, United Kingdom
well across disciplines Bonus: experience with identity systems (e.g. Microsoft Entra ID/Azure AD), SSO, or HRIS integration OUR TECH STACK Frontend: React, JavaScript Backend: C#, .Net, Azure Service Fabric, Kubernetes Infrastructure: Azure, Service Fabric, Cosmos DB WHY COCENTRIC Be a key part of a product that’s transforming ...

Software Engineer

Hiring Organisation
Cocentric
Location
Slough, Berkshire, UK
Employment Type
Full-time
well across disciplines Bonus: experience with identity systems (e.g. Microsoft Entra ID/Azure AD), SSO, or HRIS integration OUR TECH STACK Frontend: React, JavaScript Backend: C#, .Net, Azure Service Fabric, Kubernetes Infrastructure: Azure, Service Fabric, Cosmos DB WHY COCENTRIC Be a key part of a product that's transforming ...

Web Developer

Hiring Organisation
Akkodis
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
/AEM HTL (HTML Template Library) Experience integrating React with AEM Sling Models Working within enterprise CMS-driven architectures Core Technical Skills HTML5, CSS3, JavaScript (ES6+) React.js & TypeScript State management (Redux/Zustand) API integration (REST/GraphQL) Version control using Git Front-end testing (Jest, Cypress, etc.) Strong debugging ...

R&D Tax Manager

Hiring Organisation
Pro-Tax Recruitment
Location
Manchester, Lancashire, England, United Kingdom
Employment Type
Full-Time
Salary
£55,000 - £65,000 per annum
process improvements, and oversee efficient client submissions. To be successful in this role, you'll need: Experience writing/reviewing code in Python, Java, JavaScript, C#, C++, or Go . Knowledge of Agile, DevOps, and modern architecture patterns (microservices, REST APIs). Familiarity with AWS, Azure, or GCP . Experience ...

Software Engineer

Hiring Organisation
Hamiltonian Dynamics Ltd
Location
Cheltenham, Gloucestershire, South West, United Kingdom
Employment Type
Permanent
Salary
£75,000
Experience You will have experience in one or more of the following areas but you do not need experience in everything listed: Java, Python, JavaScript, TypeScript Angular, React, Vue Docker, Kubernetes AWS and/or Azure MERN stack Elasticsearch, Neo4J We value engineers who are open-minded, adaptable, and keen ...

Geospatial Software Engineer

Hiring Organisation
ISR Recruitment Ltd
Location
Manchester, Lancashire, United Kingdom
Employment Type
Permanent
Salary
GBP 60,000 - 90,000 Annual
making. Skills and Experience: Essential 3+ years' experience in a Full Stack Engineering role Strong development skills in .NET, Java or Python, alongside modern JavaScript frameworks/libraries Experience working in Agile environments (Scrum, Kanban, TDD) Solid understanding of architectural and design patterns, including microservices and serverless Hands-on experience ...

SC Cleared Microsoft Dynamics 365 Developer

Hiring Organisation
Data Careers
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£75,000
Power Platform with Azure services, custom connectors, APIs, and Logic Apps Experience applying ALM principles using Azure DevOps and Power Platform Build Tools Solid JavaScript experience for client-side customisation and web resources Experience working in agile, multidisciplinary delivery teams Strong understanding of security concepts including Dataverse security and role ...

Senior Java Developer

Hiring Organisation
Pontoon
Location
Welwyn Garden City, Hertfordshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£650 - £700 per day
What We're Looking For: To succeed in this role, you should have: Solid experience in delivering Java or other JVM languages; familiarity with JavaScript/TypeScript. Experience with cloud platforms (Azure, AWS) and infrastructure automation (Terraform). A good understanding of SQL (PostgreSQL) and NoSQL databases (e.g., Cosmos ...

Principal Software Engineer

Hiring Organisation
Eurochange
Location
Stevenage, Hertfordshire, South East, United Kingdom
Employment Type
Permanent
Salary
£70,000
passionate about building systems that last. You'll bring: Expert-level experience with C#, .NET and object-oriented design Strong front-end knowledge using JavaScript/TypeScript and React Deep experience designing and governing enterprise APIs (REST & SOAP), ideally on Azure Proven leadership in DevOps, CI/CD pipelines ...

Sharepoint Developer

Hiring Organisation
Adecco
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £415/day
Information Technology, or similar fields. Strong understanding of SharePoint environments and Office 365 with DevOps. Hands-on development experience with Office 365 tools, CSS, JavaScript, jQuery, and HTML5. Solid knowledge of Rest API and Graph API. Desirable: Exposure to ASP.Net and C#, and familiarity with Agile delivery. Experience with ...

Software Engineer

Hiring Organisation
Lockheed Martin
Location
Brockworth, Gloucestershire, UK
variety of Defence, Cyber and Intelligence programmes. What skills will I need? Proficient in current Java, knowledge of other languages such as Python, C++, JavaScript, TypeScript, React is a bonus. Experience of developing on Linux. Appreciation of mocking and unit testing frameworks such as JUnit 5.x (Jupiter). Experienced with ...