26 to 50 of 76 JavaScript Jobs in the City of London

Technical Architect

Hiring Organisation
DGH Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550 per day + Outside IR35
playout environments. - Knowledge of media formats, codecs and content workflows. - Experience with event-driven architectures and Agile delivery practices. - Hands-on programming capability in JavaScript/TypeScript and/or Python. - Strong understanding of AWS services including: * Lambda and container-based compute platforms * Kubernetes, ECS/Fargate or similar orchestration ...

Senior ServiceNow Developer

Hiring Organisation
DGH Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£95,000
Actions, access controls, notifications, forms and catalog items. Integration experience with REST, SOAP, APIs, IntegrationHub, MID Server and Import Sets. Working knowledge of JavaScript, Glide APIs, HTML, CSS and XML. Experience developing custom scoped applications and workflows across areas such as ITSM, CMDB, Security Operations, Workplace Service Delivery, Contract Management ...

Copilot Application Developer

Location
City Of London, England, United Kingdom
with Power Apps and Power Automate. Experience or exposure to Copilot Studio, AI Agents, or Microsoft AI technologies. Knowledge of Dataverse, Power FX, JSON, JavaScript, and API integrations. Familiarity with Microsoft 365 and Azure environments. Strong problem-solving and analytical skills. Excellent communication skills and the ability to work with ...

Copilot Application Developer

Hiring Organisation
Hunter Selection
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£60000 - £70000/annum 33 days holiday, bonus + more
with Power Apps and Power Automate. Experience or exposure to Copilot Studio, AI Agents, or Microsoft AI technologies. Knowledge of Dataverse, Power FX, JSON, JavaScript, and API integrations. Familiarity with Microsoft 365 and Azure environments. Strong problem-solving and analytical skills. Excellent communication skills and the ability to work with ...

Software Engineer, New Grad - Production Infrastructure

Location
City Of London, England, United Kingdom
with data structures, storage systems, cloud infrastructure, front-end frameworks, and other technical tools. Experience coding in programming languages, such as Java, C++, Python, JavaScript, or similar languages. To apply, please submit the following An updated resume/CV - please do so in PDF format. Thoughtful responses to our application ...

Senior Frontend Architect — Real-Time React & TypeScript

Location
City Of London, England, United Kingdom
availability, and high-performance user interfaces. You will work across the full UI development lifecycle, from design through testing and deployment, using HTML, CSS, JavaScript, React and TypeScript. Strong experience with real-time communication (WebSockets, SSE) and REST APIs, plus state management (Redux) and SPA architectures, is essential. #J ...

Technical Consultant

Location
City Of London, England, United Kingdom
above in an IT/Technology-related degree. Commercial experience across AI, software development and product engineering . Strong proficiency in Python and JavaScript . Hands-on experience with Generative AI, LLMs and RAG architectures . Experience with prompt engineering and AI APIs/integrations. Experience building prototypes, proof ...

Platform Engineer (AWS and Azure)

Location
City Of London, England, United Kingdom
code (IaC), and CI/CD (experience with GitHub Actions and Jenkins would be ideal) Coding skills in Python, preferably with some exposure to JavaScript and Java A solid understanding of IT security principles Full existing UK work permission without time limit or the need for sponsorship Keywords: Platform Engineering ...

Frontend Architect - React

Location
City Of London, England, United Kingdom
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 ...

Devops Engineer

Location
City Of London, England, United Kingdom
Data Factory and Databricks for advanced data processing Knowledge of AKS (Azure Kubernetes Services) for containerised workloads Background in development using Java, C#, or JavaScript for automation or service integration Knowledge of customer data platforms, personalization strategies, and data governance requirements #J-18808-Ljbffr ...

Power Platform Developer

Hiring Organisation
Hunter Selection
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£50000 - £70000/annum 33 days AL, negotiable
Developer Commercial experience developing solutions using Power Apps and Power Automate. Experience with Dataverse and Power Platform governance concepts. Understanding of Power FX, JSON, JavaScript, and system integration principles. Exposure to Power Automate Desktop, Copilot Studio, or similar automation technologies. Familiarity with Microsoft 365 and Azure environments. Strong problem-solving ...

Forward Deployed Software Engineer, New Grad - Commercial

Location
City Of London, England, United Kingdom
Computer Science, Mathematics, Software Engineering, Physics, and Data Science. Proficiency with one or more programming languages, such as Python, Java, C++, TypeScript/JavaScript, or similar. Must be graduating in 2026 or before. To apply, please submit the following: An updated resume/CV – please do so in PDF format. ...

Senior UX designer (AI)

Hiring Organisation
Norton Blake
Location
City Of London, England, United Kingdom
negotiables — screen hard on these A portfolio of live, coded prototypes. Not static Figma files, not case-study write-ups. Shipped AI features preferred. JavaScript, HTML, modern responsive CSS, React. Hands-on and current. Advanced Figma. Variables, auto-layout, prototyping, design systems and tokens. MCP experience. Designing AI workflows that ...

VP Full Stack Engineer - Solidity (smart contracts on Ethereum/blockchain) & Angular / Java

Location
City Of London, England, United Kingdom
following 3 areas : Angular-based front-end development Java server-side/middle-tier development Solidity smart contract development Strong TypeScript/JavaScript experience. Experience working across multiple programming languages, technologies or ecosystems. Ability to work outside your primary technical specialism when required. Comfortable using AI development tools to support ...

Triage Specialist – Technical Support – 72917

Location
City Of London, England, United Kingdom
least two years’ experience in digital advertising, ad-tech or technology. Experience troubleshooting APIs, integrations, logs or technical advertising platforms. Knowledge of HTML, CSS, JavaScript and HTTP. Experience working with SQL and RESTful APIs. Understanding of tracking technologies, pixels, SDKs or campaign-delivery systems. Strong customer-facing communication skills. Ability ...

Application Security Engineer

Hiring Organisation
DGH Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£75,000
similar - Experience with SAST/SCA tools such as Snyk, Veracode, Checkmarx or similar - Proficient in one or more of the following languages - Python, JavaScript, .NET or Java - Demonstrated experience with development tools including GitLab/GitHub, Datadog, Jira, Docker, and various IDEs Desirable Skills/Experience: - Experience with cloud ...

Python Engineer

Location
City Of London, England, United Kingdom
programme with a linked job role is perfect for those who have 1.5+ years of experience in Software or Data Engineering (Python), Java or JavaScript and are looking to progress their career and move into a Mid-Level technical role with a new and exciting opportunity with ...

Data Integration Specialist GB

Location
City Of London, England, United Kingdom
integration processes. Technical Requirements You should have deep expertise in data integration technologies and methodologies. This includes proficiency in programming languages such as JavaScript/Node.js, Python, or PHP, and extensive experience working with APIs. Understanding of database systems (both SQL and NoSQL) is essential, as is experience with ...

Full-Stack Development- Consultant

Location
City Of London, England, United Kingdom
performance. Harness modern development and Azure DevOps practices, including CI/CD, containerization, and automated testing. Required Technical Skills Programming: C#/.NET, JavaScript/TypeScript Service Development: building web applications and web APIs using .NET and cloud services Cloud: Azure and others Database: (worked with one or more … Framework, CosmosDB Design & Style: HTML5, Responsive/Adaptive Design, CSS3, Bootstrap Frameworks: (Worked with one or more of) Angular, React, NodeJS, Vue.js, or equivalent JavaScript DevOps: Git, Azure DevOps, GitHub Nice-to-Have Skills Azure AI Foundry, Semantic Kernel or Autogen #J-18808-Ljbffr ...

Real-Time React UI Architect - Low-Latency

Location
City Of London, England, United Kingdom
development lifecycle, from design through testing and deployment, delivering high-performance interfaces. The ideal candidate will have hands-on experience with HTML, CSS, JavaScript, React and Redux, plus real-time communication via WebSockets/SSE and testing with RTL/Jest. #J-18808-Ljbffr ...

Systems Developer - Dynamics 365 (FTSE250!)

Hiring Organisation
Robert Half Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£45,000
modules - ESSENTIAL 2+ years' experience with the Microsoft Power Platform Experience with Power Apps (Model-Driven & Canvas) and Power Automate Strong knowledge of C#, JavaScript and the Software Development Lifecycle (SDLC) Experience gathering business requirements and working with stakeholders PL-900 certification is desirable Azure Logic Apps or Azure Functions ...

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 ...

Web Specialist

Hiring Organisation
Infinity Quest
Location
City of London, London, United Kingdom
Manager (AEM 6.x) in an enterprise environment Deep understanding of AEM architecture, including replication, dispatcher behaviour, etc Strong working knowledge of HTML, CSS, and JavaScript Experience supporting multi locale implementations Experience working with enterprise DAM systems Strong communication and collaboration skills working marketing and creative stakeholders Demonstrated ability to translate ...

IBM Netcool / Observability Technical Lead

Hiring Organisation
Deerfoot Recruitment Solutions
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£780 - £830 per day
platforms Strong SQL and ObjectServer database administration, with Impact development and administration experience Scripting and development capability across Impact Policy Language, Probe rules files, JavaScript, PowerShell and shell scripting (Bash, Korn Shell or similar) Solid Linux/UNIX administration skills and deep understanding of event processing, correlation and alert lifecycle ...

Front Office AI Strategy Implementation Specialist – Boutique Hedge Fund

Location
City Of London, England, United Kingdom
simultaneously. Systems-oriented mindset with the ability to conceptualise processes, workflows and scalable solutions. Preferred Technology Exposure OpenAI ChatGPT Enterprise Anthropic Claude Enterprise Python JavaScript VBA Power BI Excel AI workflow automation and data visualisation tools Additional Desirable Experience CFA and/or IMC qualification advantageous. Experience within Hedge Funds ...