1 to 25 of 77 JavaScript Jobs in the City of London

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. ...

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 ...

Bring Strong hands-on software engineering experience with .NET/C# and Microsoft Azure Ability to work across multiple technologies and frameworks, including React, JavaScript and TypeScript Experience building secure, scalable, event-driven and distributed systems Knowledge of CI/CD, DevOps practices, and Infrastructure as Code Excellent stakeholder ...

Bring Strong hands-on software engineering experience with .NET/C# and Microsoft Azure Ability to work across multiple technologies and frameworks, including React, JavaScript and TypeScript Experience building secure, scalable, event-driven and distributed systems Knowledge of CI/CD, DevOps practices, and Infrastructure as Code Excellent stakeholder ...

team Required Skills & Experience - Strong experience building enterprise and web-based applications - Proficiency in C#, .NET/ASP.NET - Front-end skills including HTML5, CSS3, JavaScript - Experience with REST APIs, JSON - Familiarity with Git and modern development tools (e.g. Visual Studio) Desirable Skills - .NET Core/.NET 5+ - Angular, Blazor ...

London) Overview SC Cleared freelancer needed with a frontend focus to build modern, scalable web applications, with some backend/API work. Tech & Skills JavaScript/TypeScript, React/Angular/Vue Node.js, REST/GraphQL APIs HTML, CSS, responsive & accessible design Testing (Jest/Cypress), CI/ ...

across the full lifecycle Hands-on expertise with Microsoft-based environments (e.g. Azure testing tools, AI platforms) Proficiency in one or more: Python, Java, JavaScript, SQL, or R Proven experience in: AI/Generative AI testing RAG (Retrieval-Augmented Generation) solution validation (e.g. RAGAS framework) CI/CD, DevOps ...

resilient systems Excellent communication skills - able to engage directly with business users Comfortable working autonomously and taking ownership & initiative Desirable: Angular or another modern JavaScript framework Financial services exposure - especially Wealth/Investment Management Experience within Agile/Jira environments (pragmatic delivery mindset essential) This is an excellent opportunity ...

application development. Use Node.js and related tools for effective backend development. Design and implement effective UIs with a focus on user experience, using TypeScript, JavaScript, and CSS. Integrate frontend and backend aspects of the application using RESTful APIs. Participate in continuous integration and deployment (CI/CD) pipelines. Ensure software ...

Experience · 3–5 years’ software development experience, with strong Python skills and knowledge of scalable architecture. · Experience with FastAPI, Flask or Django, plus React, JavaScript or TypeScript, and Node.js. · Familiarity with Git, CI/CD, automated testing and Agile delivery. · Knowledge of Databricks, Lakehouse architecture, geospatial data or insurance analytics ...

Experience · 3–5 years’ software development experience, with strong Python skills and knowledge of scalable architecture. · Experience with FastAPI, Flask or Django, plus React, JavaScript or TypeScript, and Node.js. · Familiarity with Git, CI/CD, automated testing and Agile delivery. · Knowledge of Databricks, Lakehouse architecture, geospatial data or insurance analytics ...

portal pages, solutions, and plugins. Security Configuration: Experience designing and implementing complex, role-based security models within Power Apps. Full Stack Development: Proficiency in JavaScript, HTML, and C#, supporting both front-end and back-end development. Integration: Experience integrating with third-party services using APIs. Azure DevOps: Familiar with managing ...

Requirements Prior Development Background (Required): Minimum 2 years of hands-on software development experience building production systems Proficiency in one or more modern stacks: JavaScript/TypeScript, React/Next.js, Node.js, PHP, or equivalent Solid understanding of relational databases (PostgreSQL, MySQL) and data modelling Experience shipping at least one production ...

Requirements Prior Development Background (Required): Minimum 2 years of hands-on software development experience building production systems Proficiency in one or more modern stacks: JavaScript/TypeScript, React/Next.js, Node.js, PHP, or equivalent Solid understanding of relational databases (PostgreSQL, MySQL) and data modelling Experience shipping at least one production ...

experience across the full UI development lifecycle, including design, development, testing, and deployment. Technical Skills & Expertise- Frontend Technologies: Expert-level proficiency in HTML, CSS, JavaScript, React, and TypeScript Real-Time Communication: Strong understanding of WebSockets, Server-Sent Events (SSE), and REST APIs State Management & Programming: Solid experience with state management ...

experience across the full UI development lifecycle, including design, development, testing, and deployment. Technical Skills & Expertise- Frontend Technologies: Expert-level proficiency in HTML, CSS, JavaScript, React, and TypeScript Real-Time Communication: Strong understanding of WebSockets, Server-Sent Events (SSE), and REST APIs State Management & Programming: Solid experience with state management ...

Hybrid/Once a quarter onsite in Burgess Hill based office - £80,000 - £85,000 + benefits Tech Stack: Ruby on Rails, SQL, PostgreSQL, JavaScript, Turbolinks, ReactJS, NextJS, API's, AWS - Must have an understanding of the benefits and risks of adopting AI safely and effectively G.R.E. Recruitment is delighted ...

architecture Partner closely with Product to challenge and sharpen requirements before they hit the backlog What we're looking for Strong TypeScript/JavaScript and Java/Kotlin NestJS, React, PostgreSQL or MongoDB (Not all required) Hands-on with AWS, Docker, Terraform, and modern CI/CD A genuine, practical ...

Contribute to integration and platform work as the product evolves. Feed into architecture decisions and raise the engineering bar within the team. Requirements Strong JavaScript fundamentals (non-negotiable baseline). TypeScript and React experience Full-stack capable at senior level, comfortable across both front end and back end. Experience with ...

days/week in office Duration - Initially 6 months Rate - £550-£650/day Inside IR35 via Umbrella Skills and Experience Required TypeScript or Javascript Next.js or React AWS Terraform Experience providing feedback to engineering teams via code review Exposure to a wide range of languages, frameworks, and cloud technologies ...

confidence to work closely with clients and colleagues Someone who takes ownership, enjoys learning and isn't afraid to ask questions Experience with JavaScript frameworks, Node.js or APIs would be beneficial Why join? Work with well-known consumer brands on exciting projects Learn from a highly talented team of engineers ...

confidence to work closely with clients and colleagues Someone who takes ownership, enjoys learning and isn't afraid to ask questions Experience with JavaScript frameworks, Node.js or APIs would be beneficial Why join? Work with well-known consumer brands on exciting projects Learn from a highly talented team of engineers ...

through to production release Collaborating with a small team of highly experienced engineers building a market-leading product What they’re looking for Strong JavaScript or TypeScript engineering skills Experience working with Canvas, SVG, WebGL, graphics systems, visualisation products, or rendering pipelines Strong understanding of algorithms, data structures, and software ...

through to production release Collaborating with a small team of highly experienced engineers building a market-leading product What they’re looking for Strong JavaScript or TypeScript engineering skills Experience working with Canvas, SVG, WebGL, graphics systems, visualisation products, or rendering pipelines Strong understanding of algorithms, data structures, and software ...

enterprise contexts Align solutions with established enterprise standards and architectural principles Essential Skills for the AI Solutions Architect: Strong expertise in Python and JavaScript Hands-on experience with backend frameworks and modern frontend frameworks Deep knowledge of Generative AI and agent-based AI frameworks including RAG and orchestration patterns Strong ...