1 to 25 of 46 JavaScript Jobs in the City of London

Software Engineer (AI+Fullstack)

Hiring Organisation
83zero Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£55,000
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 ...

.NET Developer

Hiring Organisation
Noir
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £90,000 per annum
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. ...

.NET Developer, CMS, Sitecore, EpiServer, Umbraco

Hiring Organisation
Noir
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £75,000 per annum
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 ...

Full Stack Developer (.NET)

Hiring Organisation
DGH Recruitment Ltd
Location
City of London, London, United Kingdom
Employment Type
Contract
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 ...

SC Cleared Freelance Frontend Fullstack Developer

Hiring Organisation
Opus Recruitment Solutions
Location
City Of London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £650/day
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/ ...

C#.Net Developer

Hiring Organisation
Boston Hale
Location
City of London, London, England, United Kingdom
Employment Type
Contractor
Contract Rate
£450 - £550 per day
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 ...

C#.Net Developer

Hiring Organisation
Boston Hale
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£55,000 - £75,000 per annum
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 ...

Power Platform Developer

Hiring Organisation
Real
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500/day
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 ...

Sharepoint Administrator

Hiring Organisation
ALFA TECHNOLOGY RECRUITMENT LTD
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£95,000
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 ...

Product Engineer

Hiring Organisation
Bloc Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
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 ...

Senior Software Engineer (Full Stack) to £100K + equity

Hiring Organisation
Staffworx Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
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 ...

Sales Engineer

Hiring Organisation
Tiptap
Location
City of London, London, United Kingdom
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. ...

Full Stack Developer

Hiring Organisation
Hays Technology
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £650/day £550-650
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 ...

AI Solutions Architect - up to £120K+Benefits - Hybrid/London

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
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 ...

IAM Developer

Hiring Organisation
83zero Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£80000 - £90000/annum
Good knowledge of identity governance, provisioning, and access lifecycle management. Strong SQL and database development experience. Experience with scripting/automation (e.g. VB.NET, PowerShell, JavaScript, VBScript, or similar). Understanding of Active Directory, LDAP, Azure AD/Entra ID, and authentication systems. Familiarity with Agile delivery, SDLC, and Change Management ...

Dynamics 365 CRM Omnichannel Technical Consultant / Developer

Hiring Organisation
Talent Locker
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£450 - £475 per day
case management, SLAs, unified routing, and digital channels (chat, email, voice). Strong Dynamics 365 CE development skills - hands-on C#/.NET plugins, JavaScript, customisations, integrations, and solution delivery. Power Platform experience - Power Apps and Power Automate Azure integration capability - experience with Azure Functions, Logic Apps, APIs, and integration ...

ServiceNow Senior Technical Consultant

Hiring Organisation
DXC
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
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 ...

ServiceNow Developer

Hiring Organisation
Response Informatics
Location
City of London, London, United Kingdom
Employment Type
Temporary
Salary
£70,000
Incident, Change, Problem, Service Catalog) Experience in ServiceNow development, customization, workflows, and integrations Strong experience in Python development and scripting Hands-on experience with JavaScript, REST APIs, and automation Experience with CMDB, reporting, and dashboards Knowledge of Agile and ITIL processes ITSM ITOMComplaints Management Problem Management Knowledge Management Responsibilities: Design ...

Site Reliability Engineer - SRE

Hiring Organisation
Sanderson Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
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 ...

Founding Engineer

Hiring Organisation
SR2
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£100000 - £120000/annum + generous equity
on. What you'll be doing: Building a product from 0 to 1 alongside the founders Designing and developing full stack applications using modern JavaScript and Python/Node.js ecosystems Building AI powered workflows and intelligent data processing systems Working directly with customers to understand problems and shape solutions Making ...

ServiceNow Architect

Hiring Organisation
Deerfoot Recruitment Solutions
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
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 ...

CRM Consultant

Hiring Organisation
Tiger Recruitment
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£30,000 - £40,000 per annum
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. ...

ServiceNow Developer

Hiring Organisation
Deerfoot Recruitment Solutions
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
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

Hiring Organisation
Noir
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £80,000 per annum
.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 ...

Software Developer

Hiring Organisation
Adecco
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£170 - £175/day
customize Power Pages (formerly Power Apps Portals) for external-facing web applications Develop end-to-end solutions across the stack, including frontend (HTML, CSS, JavaScript) and backend (.NET, C#, Web APIs) Configure and customize Dynamics 365 modules such as Sales, Customer Service, and Marketing Create and manage Dataverse tables, relationships … activities, and integrations using C# and .NET Build and maintain RESTful APIs and integrations with external systems Customize Power Pages using Liquid templates, FetchXML, JavaScript, and Bootstrap Implement role-based access and security within Dynamics 365 and Power Pages Develop Power Platform solutions, including Power Apps (Model-driven & Canvas), Power ...