1 to 25 of 42 JavaScript Jobs in the City of London

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 ...

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 ...

ongoing modernisation initiatives across the technology estate Technical Environment: PHP (v8+) Laravel/Symfony/Yii2 Azure PaaS Azure Functions REST APIs/GraphQL JavaScript/HTML/CSS MySQL/PostgreSQL Git/CI/CD Linux (CentOS/RedHat) Azure-native tooling and integrations The Ideal Background: Strong ...

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 (though strong engineers from other sectors are welcomed) Experience within Agile/Jira environments (pragmatic delivery mindset essential) This ...

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 ...

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 ...

Principal Engineer with significant hands-on technical responsibility. Previous experience leading engineers or managing software development teams. Strong technical expertise in: TypeScript and JavaScript Node.js Modern backend and frontend development SQL and data-driven applications Strong understanding of cloud platforms, distributed systems, scalable architecture, and production operations. Experience influencing technical ...

developers and shaping platform standards What we're looking for Strong hands-on experience with SharePoint SE and SharePoint Online Proven SPFx development TypeScript, JavaScript, React Experience with C#/.NET, SQL Server, and RESTful API integrations Solid on-prem admin background patching, performance tuning, troubleshooting BCS and ECT experience ...

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 ...

customer experiences. Writing clean, maintainable, and tested code, and participating in code reviews. What we're looking for Strong proficiency with React , modern JavaScript/TypeScript, and Vite or equivalent tooling. Back-end experience (e.g. Node.js or similar) with RESTful or GraphQL APIs. Experience integrating or working with Salesforce (APIs ...

innovation, AI adoption, or Copilot enablement programmes Exposure to Azure AI Foundry, AI Builder, or other Microsoft AI tooling Software development experience (for example JavaScript, TypeScript, C#, Python) or strong pro code extensibility skills within Power Platform Familiarity with Dynamics 365 Customer Engagement and/or Finance and Supply Chain ...

that's where you create value - Feed customer signal back into product, closing the loop on the roadmap Qualifications - You're proficient in JavaScript/TypeScript and can write clean code and prototype customer-facing applications quickly. - You've got hands-on React and Node.js experience across frontend and backend. ...

rich platforms. Proven ability to lead or influence front-end architecture and technical decisions on large-scale websites. Strong expertise in HTML5, CSS, and JavaScript, with deep knowledge of responsive design, performance optimisation, and accessibility best practices. Experience designing and delivering A/B or MVT experiments, ideally using Dynamic ...

Skills Strong expertise in Microsoft Power Platform and Dynamics 365 Experience designing and delivering integrated solutions using APIs and services Working knowledge of C#, JavaScript, and SQL Experience with cloud platforms, particularly Microsoft Azure Understanding of security, performance, and scalability considerations Ability to balance technical best practice with commercial ...

solutions. Requirements: The ideal candidate will have several years' experience in ServiceNow design and development preferably in a consulting environment. Scripting skills such as JavaScript, HTML and XHTML, XML, CSS, AJAX, AngularJS highly advantageous An understanding of Service Management concepts, delivery assurance principals and procedures. A high level of knowledge ...

scale systems sustain-ably through mechanisms like automation. Looking for someone from a software development background Ideal Candidate: Very strong engineering skills in Java, JavaScript or Python Open Telemetry experience Must have Core Java/Python Must have experience as an SRE knowledge of Python Data Structures Strong knowledge ...

innovation. Skills & Experience Required Proven experience in ServiceNow architecture and development. Strong background in designing and implementing ServiceNow solutions across multiple modules. Knowledge of JavaScript, HTML and CSS. ServiceNow CAD and/or CIS certifications are desirable, although equivalent practical experience will also be considered. Excellent communication and stakeholder management ...

similar Looker Studio Desirable Experience with international SEO and multilingual sites. Familiarity with CRO principles and UX best practices. Understanding of HTML, CSS, and JavaScript SEO considerations. Experience supporting paid search or integrated digital campaigns. Agency experience working across diverse sectors. What We’re Looking For Organised and able ...

management platforms Workflow automation: Proven experience designing and implementing automated workflows to drive operational efficiency Scripting & API development: Proficiency in scripting languages such as JavaScript or Python, with experience building or consuming APIs Engineering methodologies: Clear understanding of engineering project management methodologies and software development lifecycles Multitasking & prioritisation: Demonstrated ability ...

proactive problem-solver who actively seeks opportunities for improvement. Preferred Qualifications Experience in brand partnerships, sponsorships, or commercial strategy Familiarity with Python, JavaScript, SQL, or other programming languages. Knowledge of the state of the art in AI and automation tools. Benefits & Perks Attractive compensation package with room to grow. ...

Systems - Experience working in a consultancy environment would be ideal - Experience working with project based work - Skills in SQL, HTML, CSS, SSRS and JavaScript ID: MB173399Tiger is B Corp Certified. We are part of a global movement of businesses committed to improving social and environmental conditions around the world. ...

customising ServiceNow (including workflows and integrations) Good understanding of ITSM and ITOM processes Exposure to ServiceNow Virtual Agent and/or RPA tools Strong JavaScript programming skills A proactive, problem-solving mindset with a desire to continuously learn and grow Desirable: Experience working in complex or public sector environments Security ...

.NET Developer, .NET 10.0, C# 14 - Consultancy - London Or Surrey (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Blazor, JavaScript, React, Microservices, Azure, ASP.NET Core Web API, Agile, Azure SQL, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client is an award winning Microsoft consultancy. They specialise … Knowledge of software development methodologies is of interest (Agile, Scrum). My client will provide training in: .NET 10.0, ASP.NET Core, C# 14, Blazor, JavaScript, React, Microservices, Azure, ASP.NET Core Web API, MongoDB, Azure, AWS, Node.js and Elasticsearch. This is a truly exciting project, one which if you are given ...

3+ years of hands-on SEO experience, with a strong technical focus Proven experience delivering successful technical SEO strategies A solid understanding of HTML, JavaScript, schema markup, redirects, and page speed optimisation Strong analytical and problem-solving skills Ability to work independently and manage projects end-to-end Comfortable communicating ...