Permanent JavaScript Jobs in London

1 to 25 of 638 Permanent JavaScript Jobs in London

Senior Full Stack Software Engineer (.Net / React) (Remote)

London, United Kingdom
Hybrid / WFH Options
Remotestar
Bachelor's degree in Computer Science, Information Technology, or related field, or equivalent practical experience. Proficiency in front-end technologies such as HTML, CSS, JavaScript, and modern frameworks/libraries such as React. Proficiency in mobile device technologies such for Kotlin (Android) and Swift (iOS) Strong understanding of server-side More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Jr Full Stack .NET / Web Developer, Contract

London, United Kingdom
COMPASS GROUP CANADA
MS Power Platform (Power BI, Automate and App) 3+ years of proven work experience as a Full Stack Web Developer using HTML5, CSS3, Bootstrap, JavaScript, jQuery, Ajax, C#, TypeScript, lambda function and others 3+ years of proven work experience with MVC, UML, IIS, Office 365/Visio Proven experience with More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Product Engineer London

London, United Kingdom
Acquired Payments
experience in software engineering, with a strong focus on delivering incremental value through high-quality, scalable, and maintainable solutions. Strong proficiency in C#, .NET, JavaScript, and TypeScript (required). Proficiency in front-end development using frameworks like React, Vue.js, or Angular (preferred but not required). Proficiency with PHP (desirable More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer - Full Stack

London Area, United Kingdom
ONMO
AWS Serverless Service, including Lambda, API Gateway, DynamoDB, S3, SNS, SQS, EventBridge, Kinesis, Node.js, YAML Frontend : React/Next.js, React Native Programming Languages : TypeScript; JavaScript, Python Infrastructure : Terraform, GitHub CI/CD pipelines Responsibilities Provide technical leadership and mentorship to your team. As a Senior Full-stack Software Engineer, you More ❯
Posted:

Senior Software Engineer

London, United Kingdom
Disney Cruise Line - The Walt Disney Company
OData, REST, SOAP, FTP/SFTP, JDBC, CSV, XML, JSON, XSL, encryption standards such as PGP, x509. Minimum 5 years of experience working on JavaScript, CSS3 and HTML5 and third-party libraries such as React Js, Angular, jQuery Minimum 5 years of experience working server-side programming languages such as More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer

London, United Kingdom
Hybrid / WFH Options
Edgefolio Group
ORM Experience with Django REST Framework and writing APIs Able to write clean HTML (server-side templating in Django/Jinja) Basic CSS and JavaScript (basic knowledge of ReactJS is a plus) Familiarity with event-driven programming in Python (Django + Celery) Experience in developing secure web applications Experience in More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer Engineering London

London, United Kingdom
Hybrid / WFH Options
Edgefolio Group
ORM Experience with Django REST Framework and writing APIs Able to write clean HTML (server-side templating in Django/Jinja) Basic CSS and JavaScript (basic knowledge of ReactJS is a plus) Familiarity with event-driven programming in Python (Django + Celery) Experience in developing secure web applications Experience in More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Lead Software Engineer

London Area, United Kingdom
McCabe & Barton
with PMOs, business analysts, and QA teams to deliver high-quality solutions on time and within budget. Core skills: Strong programming skills in C#, JavaScript, TypeScript, and PowerShell . Expertise in Microsoft technologies: Power Platform, Azure Functions, .NET Core, Azure App Service . Experience with front-end frameworks: React, Angular More ❯
Posted:

React Full Stack Developer

London, United Kingdom
Luxoft
new technical skills as we look to adopt the best in class solutions Support our community of developers SKILLS Must have Deep understanding of JavaScript/TypeScript Extensive demonstrable React and React ecosystem experience Strong HTML5/CSS skills, with a keen eye for detail Testing frameworks from unit to More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Software Engineer

London, United Kingdom
Hybrid / WFH Options
INSTANDA
Essential: Technical Skills: C# .NET ASP .NET MVC LINQ and Entity Framework/LINQ to SQL Web-based languages such as HTML, CSS and JavaScript SQL Server Web APIs, e.g. REST Source control management, e.g. Git/Azure/Azure DevOps Unit tests, e.g. XUnit OOP and SOLID principles Behavioural More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer - Java, Spring Boot, Microservices

East London, London, United Kingdom
TPXImpact Holdings Plc
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 More ❯
Employment Type: Permanent
Salary: £60,000
Posted:

Senior Software Engineer - Fixed Income, Python

London, United Kingdom
T. Rowe Price
in writing maintainable and adaptable code Preferred qualifications: Computer Science, Math or Financial Engineering degree Strong knowledge in other programming language(s) - e.g., Java, JavaScript, Typescript, Kotlin Strong with a range of open-source frameworks and development tools - Python (NumPy, SciPy, pandas), gRPC, Git, CI/CD, etc. Experience specifically More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Lead Software Engineer - Java, Spring Boot, Microservices

East London, London, United Kingdom
TPXImpact Holdings Plc
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/ More ❯
Employment Type: Permanent
Salary: £70,000
Posted:

Associate Cloud Consultant, Application Development, AWS Professional Services, National Security

London, United Kingdom
Amazon
development methodologies 1+ years of software development or application engineering with recent coding experience in one or more modern programing languages such as: Java, JavaScript (Node.js, Angular, JQuery, etc.), Python, Amplify, React, Typescript, Bash, Powershell, Lambda, C/C++, C# Experience with source control repositories (e.g. GitHub/GitLab, SVN More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

.NET Developer - London

London Area, United Kingdom
Hybrid / WFH Options
Noir
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 More ❯
Posted:

NET Developer

London, United Kingdom
Hybrid / WFH Options
Noir
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 More ❯
Employment Type: Permanent
Salary: £50000 - £70000/annum Bonus + Pension + Benefits
Posted:

.NET Developer

Greater London, England, United Kingdom
Hybrid / WFH Options
Noir
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 More ❯
Posted:

C# Developer Real Time Pricing - Hedge Fund

West London, London, United Kingdom
Hybrid / WFH Options
Client Server
on real-time pricing systems and a good understanding of EQ Volatility You also have some front end development skills with technologies such as JavaScript/TypeScript, Angular, React, HTML, CSS and are happy to use Angular going forward You're highly numerate with a good understanding of mathematics You More ❯
Employment Type: Permanent, Work From Home
Salary: £85,000
Posted:

C# Developer Real Time Pricing - Hedge Fund

London, England, United Kingdom
Hybrid / WFH Options
Client Server
on real-time pricing systems and a good understanding of EQ Volatility You also have some front end development skills with technologies such as JavaScript/TypeScript, Angular, React, HTML, CSS and are happy to use Angular going forward You're highly numerate with a good understanding of mathematics You More ❯
Posted:

Senior Software Developer - Freelance

London Area, United Kingdom
Picture Production Company
Experience with performance optimization and scalability. Contributions to open-source projects. Strong proficiency in at least one major programming language (e.g., Python, Java, C++, JavaScript) Experience with modern software development methodologies and practices. Proven track record of leading technical projects and delivering results. Excellent problem-solving and debugging skills. Strong More ❯
Posted:

Software Engineer

London, United Kingdom
Hybrid / WFH Options
Arqiva
product quality Required Technical Skills Full-Stack and Backend developers Proficiency and experience with Python Full-Stack and Frontend developers Proficiency and experience with JavaScript/TypeScript Experience with React and next.js or similar front-end frameworks Familiarity with AWS and cloud-native development Experience with automated testing and writing More ❯
Employment Type: Permanent
Salary: £45000 - £60000/annum 6% pension contribution
Posted:

Software Engineer

London, United Kingdom
Hybrid / WFH Options
Edgefolio Group
ORM Experience with Django REST Framework and writing APIs Able to write clean HTML (server side templating in Django/Jinja) Basic CSS and JavaScript (basic knowledge of ReactJS is a plus but not required) Familiarity with event-driven programming in Python (Django + Celery) Experience in developing secure web More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Software Engineer Engineering London

London, United Kingdom
Hybrid / WFH Options
Edgefolio Group
ORM Experience with Django REST Framework and writing APIs Able to write clean HTML (server side templating in Django/Jinja) Basic CSS and JavaScript (basic knowledge of ReactJS is a plus but not required) Familiarity with event-driven programming in Python (Django + Celery) Experience in developing secure web More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer London, England

London, United Kingdom
Group M Worldwide Inc
AdTech) highly desired. Proven experience and a passion for developing and operating full stack production systems in Clojure, k8s, and AWS or GCP. ClojureScript, JavaScript, TypeScript, React, Java, Python, and Terraform experience highly desirable. Proven experience leading teams, designing simple/scalable/reliable architectures, building, and operating concurrent, distributed More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Principal Engineer (Fullstack)

London, United Kingdom
AKQA Media
and architecting AI solutions, including workflow tooling, frameworks and SDKs. Expertise in Node.js and secondarily Java and/or .NET. Expertise in the latest JavaScript frameworks such as React, Next.js and Node.js. Expertise in Microservices, MACH, 'JAMStack', Serverless and event-driven architectures. Expertise in code distribution and package management with More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:
JavaScript
London
10th Percentile
£46,964
25th Percentile
£60,000
Median
£82,500
75th Percentile
£108,188
90th Percentile
£132,500