Permanent JavaScript Jobs in London

1 to 25 of 729 Permanent 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:

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 Android Engineer

South West London, London, United Kingdom
Hybrid / WFH Options
John Lewis Head Office
/iOS GraphQL Microservice Architectures Docker, Kubernetes, and cloud platforms such as AWS, GCP or Azure Understanding of UX principles HTML, CSS, and related web technologies Experience with modern JavaScript libraries and tooling, such as React, Redux, Webpack Any server side development languages such as Java/Kotlin. Additional Information: The application form consists of CV upload, followed by application More ❯
Employment Type: Permanent, Work From Home
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:

Senior Software Engineer

Greater London, England, United Kingdom
TXM Recruit
managers, and designers. You’ll play a key part in shaping system architecture, improving performance, and ensuring reliability as we scale. The ideal candidate has solid experience in modern JavaScript/TypeScript , a strong understanding of Node.js frameworks (e.g. Express or NestJS), and exposure to cloud platforms such as AWS or Azure . Experience with databases (SQL or NoSQL), CI More ❯
Posted:

Senior Software Engineer

london, south east england, united kingdom
TXM Recruit
managers, and designers. You’ll play a key part in shaping system architecture, improving performance, and ensuring reliability as we scale. The ideal candidate has solid experience in modern JavaScript/TypeScript , a strong understanding of Node.js frameworks (e.g. Express or NestJS), and exposure to cloud platforms such as AWS or Azure . Experience with databases (SQL or NoSQL), CI More ❯
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:

NET Developer

London, 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: Permanent
Salary: £50000 - £70000/annum Bonus + Pension + Benefits
Posted:

.NET Developer

Greater 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 ❯
Posted:

Full Stack Engineer

City of London, London, United Kingdom
McCabe & Barton
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 Area, United Kingdom
McCabe & Barton
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
McCabe & Barton
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
McCabe & Barton
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:

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:

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++

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 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:
JavaScript
London
10th Percentile
£47,500
25th Percentile
£58,750
Median
£85,000
75th Percentile
£120,000
90th Percentile
£137,500