JavaScript Jobs in London

1 to 25 of 642 JavaScript Jobs in London

Senior Developer

London, South East, England, United Kingdom
Hybrid / WFH Options
Reed.co.uk
Minimum 8 years of commercial software development experience, with at least 3 years in a senior or technical lead role. Proven expertise in full-stack development using: TypeScript (and JavaScript frameworks such as NextJS, Node, or Tailwind) Python (including frameworks like Django, Flask, or FastAPI) PostgreSQL and relational database design, optimisation, and maintenance. AI Development Tools such as Windsurf, Aider More ❯
Employment Type: Full-Time
Salary: £70,000 - £80,000 per annum
Posted:

Senior Software Engineer - Java, Spring Boot, Microservices

East London, London, United Kingdom
TPXImpact Holdings Plc
Boot and Microservices. Strong understanding of 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, and modern software development More ❯
Employment Type: Permanent
Salary: £60,000
Posted:

Lead Software Engineer - Java, Spring Boot, Microservices

East London, London, United Kingdom
TPXImpact Holdings Plc
on experience with Java, Spring Boot and Microservices. 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/CD pipelines and automated testing More ❯
Employment Type: Permanent
Salary: £70,000
Posted:

.NET Developer

City of London, London, England, United Kingdom
Hybrid / WFH Options
Noir
software solutions. .NET Developer applicants should have commercial experience with: .NET, .NET Core/ASP.NET MVC, C#, Azure SQL and Agile. Full training will be provided into: .NET 9, JavaScript, React, Angular 19, Microservices, Vue.js, TypeScript, Azure, AWS, Web API 2, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and MongoDB. If you are dedicated to the youthful optimism More ❯
Employment Type: Full-Time
Salary: £40,000 - £50,000 per annum
Posted:

.NET Developer

City of London, London, England, United Kingdom
Hybrid / WFH Options
Noir
C# applications. .NET Developer applicants should have a skill set that encompasses: .NET, .NET Core/ASP.NET MVC, C# and Azure SQL. Our client offers training in: .NET 9, JavaScript, React, Angular 19, Microservices, MongoDB, Vue.js, TypeScript, Azure, AWS, Web API 2, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and MongoDB. This is a truly amazing opportunity to More ❯
Employment Type: Full-Time
Salary: £60,000 - £80,000 per annum
Posted:

.NET Developer

City of London, London, England, United Kingdom
Hybrid / WFH Options
Noir
.NET, .NET Core/ASP.NET MVC, C# and Azure SQL. Knowledge of software development methodologies is of interest (Agile, Scrum). My client will provide training in: .NET 9, JavaScript, React, Angular 19, Microservices, MongoDB, Vue.js, TypeScript, Azure, AWS, Web API 2, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and MongoDB. This is a truly exciting project, one More ❯
Employment Type: Full-Time
Salary: £50,000 - £80,000 per annum
Posted:

.NET Developer

City of London, London, England, United Kingdom
Hybrid / WFH Options
Noir
candidates with experience in either web application development (.NET Core/ASP.NET MVC, C#) or windows/desktop development (C#.NET). My client can provide training in: .NET 9, JavaScript, React, Angular 19, Microservices, MongoDB, Vue.js, TypeScript, Azure, AWS, WPF, MVVM, Prism, continuous integration, dependency injection, RESTful, Web API 2, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and More ❯
Employment Type: Full-Time
Salary: £60,000 - £80,000 per annum
Posted:

.NET Developer

City of London, London, England, United Kingdom
Hybrid / WFH Options
Noir
Our client is looking for passionate .NET Developer with experience in .NET, .NET Core/ASP.NET MVC, C# and Azure SQL. Our client will provide training in: .NET 9, JavaScript, React, Angular 19, Microservices, Vue.js, TypeScript, Azure, AWS, Web API 2, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and MongoDB. This is your opportunity to be part of More ❯
Employment Type: Full-Time
Salary: £50,000 - £70,000 per annum
Posted:

UI Developer

London, South East, England, United Kingdom
Hybrid / WFH Options
Lorien
plans and provide post-release support during warranty periods. Required Skills & Experience: Proven experience as a React Developer or UI Software Engineer. Expert-level proficiency in: HTML CSS (SCSS) JavaScript (ES6) Strong UI/UX design skills - capable of working independently or within a team. Solid experience with Agile methodologies (Scrum, Kanban). Strong knowledge of: End-to-end testing More ❯
Employment Type: Full-Time
Salary: Salary negotiable
Posted:

Back End Integration Engineer

City of London, London, United Kingdom
Hybrid / WFH Options
I3 Resourcing Limited
Azure Functions WebApps, Storage, Networking, Security (RBAC, OAuth, SAML) Solid software development experience with: C# (.NET/.NET Core) REST APIs, SQL Server (T-SQL), HTML/CSS/JavaScript/React, Python Comfortable with tools like Azure Data Factory , Databricks , Power Automate , Power Platform , Copilot Studio . Strong knowledge of cloud security , automation , and DevOps principles. ?? Bonus Points for More ❯
Employment Type: Permanent, Work From Home
Salary: £80,000
Posted:

Full Stack Engineer

London Area, United Kingdom
Fimatix
suites · Contribute to performance and failure testing · Drive and participate in the team's agile practices · Take part in continuous improvement of the development process Essential Technical Skills · Language - JavaScript, NodeJS, Typescript · Framework - NestJS/Express/Microservices · Testing - Jest/Mocha/Cypress/React testing Library · API – OpenAPI/GraphQL/GRPC · Messaging - AMQP/RabbitMQ/Kafka More ❯
Posted:

Full Stack Engineer

City of London, London, United Kingdom
Fimatix
suites · Contribute to performance and failure testing · Drive and participate in the team's agile practices · Take part in continuous improvement of the development process Essential Technical Skills · Language - JavaScript, NodeJS, Typescript · Framework - NestJS/Express/Microservices · Testing - Jest/Mocha/Cypress/React testing Library · API – OpenAPI/GraphQL/GRPC · Messaging - AMQP/RabbitMQ/Kafka More ❯
Posted:

Full Stack Engineer

london, south east england, united kingdom
Fimatix
suites · Contribute to performance and failure testing · Drive and participate in the team's agile practices · Take part in continuous improvement of the development process Essential Technical Skills · Language - JavaScript, NodeJS, Typescript · Framework - NestJS/Express/Microservices · Testing - Jest/Mocha/Cypress/React testing Library · API – OpenAPI/GraphQL/GRPC · Messaging - AMQP/RabbitMQ/Kafka More ❯
Posted:

Full Stack Engineer

london (city of london), south east england, united kingdom
Fimatix
suites · Contribute to performance and failure testing · Drive and participate in the team's agile practices · Take part in continuous improvement of the development process Essential Technical Skills · Language - JavaScript, NodeJS, Typescript · Framework - NestJS/Express/Microservices · Testing - Jest/Mocha/Cypress/React testing Library · API – OpenAPI/GraphQL/GRPC · Messaging - AMQP/RabbitMQ/Kafka More ❯
Posted:

Senior Developer

London, United Kingdom
BDO
track record of successfully building and 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, attention to detail, tenacity More ❯
Employment Type: Permanent
Posted:

Senior Software Engineer C++

London Area, United Kingdom
Oxbridge AI
Cool stuff that you will work with and integrate with :- **C++, C, C#, Python **Windows/Linux, XILINX **SCRUM, SAFe, AZURE DevOps, CI/CD, GIT **UI, UX, GUI, JavaScript, Angular, React, NodeJS **Python, PyQT, **IIOT, Industrial Internet of things, Computer Vision, PLC, Embedded Devices, Allen Bradley Send me your CV now for an Interview More ❯
Posted:

Senior Software Engineer C++

City of London, London, United Kingdom
Oxbridge AI
Cool stuff that you will work with and integrate with :- **C++, C, C#, Python **Windows/Linux, XILINX **SCRUM, SAFe, AZURE DevOps, CI/CD, GIT **UI, UX, GUI, JavaScript, Angular, React, NodeJS **Python, PyQT, **IIOT, Industrial Internet of things, Computer Vision, PLC, Embedded Devices, Allen Bradley Send me your CV now for an Interview More ❯
Posted:

Senior Software Engineer C++

london, south east england, united kingdom
Oxbridge AI
Cool stuff that you will work with and integrate with :- **C++, C, C#, Python **Windows/Linux, XILINX **SCRUM, SAFe, AZURE DevOps, CI/CD, GIT **UI, UX, GUI, JavaScript, Angular, React, NodeJS **Python, PyQT, **IIOT, Industrial Internet of things, Computer Vision, PLC, Embedded Devices, Allen Bradley Send me your CV now for an Interview More ❯
Posted:

Senior Software Engineer C++

london (city of london), south east england, united kingdom
Oxbridge AI
Cool stuff that you will work with and integrate with :- **C++, C, C#, Python **Windows/Linux, XILINX **SCRUM, SAFe, AZURE DevOps, CI/CD, GIT **UI, UX, GUI, JavaScript, Angular, React, NodeJS **Python, PyQT, **IIOT, Industrial Internet of things, Computer Vision, PLC, Embedded Devices, Allen Bradley Send me your CV now for an Interview More ❯
Posted:

.NET Developer

City of London, London, England, United Kingdom
Hybrid / WFH Options
Noir
a skill set that encompasses: .NET, .NET Core/ASP.NET MVC, C# and Azure SQL. Our client can provide you with Greenfield project work and exposure to: .NET 9, JavaScript, React, Angular 19, Microservices, MongoDB, Vue.js, TypeScript, Azure, AWS, Web API 2, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and MongoDB. This is a truly amazing opportunity to More ❯
Employment Type: Full-Time
Salary: £40,000 - £50,000 per annum
Posted:

.NET Developer

City of London, London, England, United Kingdom
Hybrid / WFH Options
Noir
strong experience and a skill set that encompasses: .NET, .NET Core/ASP.NET MVC and SQL Azure. Our client can provide you with industry recognised training in: .NET 9, JavaScript, React, Angular 19, Microservices, Vue.js, TypeScript, Azure, AWS, Web API 2, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and MongoDB. You will follow a structured career development programme More ❯
Employment Type: Full-Time
Salary: £45,000 - £55,000 per annum
Posted:

Technical Lead DV Cleared

London Area, United Kingdom
Damia Group
SRE, and DevSecOps in production systems Act as a trusted point of contact for both internal and client-facing technical discussions Key Skills & Experience Proficiency in Java, Python, Go, JavaScript/TypeScript Strong experience with frameworks and tools including Spring Boot, React, Node.js, Docker, Kubernetes, and Terraform Deep understanding of modern architecture patterns such as microservices, RESTful APIs, event-driven More ❯
Posted:

Technical Lead DV Cleared

City of London, London, United Kingdom
Damia Group
SRE, and DevSecOps in production systems Act as a trusted point of contact for both internal and client-facing technical discussions Key Skills & Experience Proficiency in Java, Python, Go, JavaScript/TypeScript Strong experience with frameworks and tools including Spring Boot, React, Node.js, Docker, Kubernetes, and Terraform Deep understanding of modern architecture patterns such as microservices, RESTful APIs, event-driven More ❯
Posted:

.NET Developer

City of London, London, England, United Kingdom
Hybrid / WFH Options
Noir
either web application development (.NET Core/ASP.NET MVC, C#) or winforms/WPF (C#) development. Our client will provide you with training into: .NET 9, WPF, MVVM, Prism, JavaScript, React, Angular 19, Microservices, MongoDB, Vue.js, TypeScript, Azure, AWS, Web API 2, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and Azure SQL. You will follow the firms official More ❯
Employment Type: Full-Time
Salary: £70,000 - £90,000 per annum
Posted:

Technical Lead DV Cleared

london, south east england, united kingdom
Damia Group
SRE, and DevSecOps in production systems Act as a trusted point of contact for both internal and client-facing technical discussions Key Skills & Experience Proficiency in Java, Python, Go, JavaScript/TypeScript Strong experience with frameworks and tools including Spring Boot, React, Node.js, Docker, Kubernetes, and Terraform Deep understanding of modern architecture patterns such as microservices, RESTful APIs, event-driven More ❯
Posted:
JavaScript
London
10th Percentile
£47,500
25th Percentile
£57,500
Median
£85,000
75th Percentile
£120,000
90th Percentile
£137,500