12 of 12 JavaScript Jobs in the City of London

GenAI Full Stack Engineer - Managing Consultant

Hiring Organisation
83zero Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£80,000
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 ...

Technical Lead Software Engineer

Hiring Organisation
Spectrum IT Recruitment Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
What you'll bring Experience as a Technical Lead, Lead Engineer or Senior Engineer with significant technical ownership. Strong hands-on development skills with JavaScript/TypeScript and Node.js. Experience building APIs, backend services and cloud-based applications. Familiarity with modern frontend frameworks such as React or Vue. A solid ...

Microsoft Dynamics Developer - Contract

Hiring Organisation
83zero Limited
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £625 per day
configuring Microsoft Dynamics 365 Strong C#/.NET development experience Experience with Microsoft Azure and associated cloud technologies Experience building APIs and system integrations JavaScript/TypeScript experience Experience developing custom Dynamics functionality, plugins and workflows Understanding of CI/CD and modern software engineering practices Comfortable working across both ...

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 ...

Senior Backend Developer - Architecture, Data Modelling

Hiring Organisation
Hays Technology
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£800 - £900/day £800-900 per day via Umbrella
scale web applications, with substantial hands-on responsibility rather than purely architectural oversight. Strong backend and database skills . Production experience with TypeScript/JavaScript and Node.js , API design, asynchronous programming, SQL and relational data modelling. Evidence of performance improvement. Practical experience profiling applications, diagnosing bottlenecks and reducing ...

AI Solutions Engineer

Hiring Organisation
DGH Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Strong experience with the Microsoft AI ecosystem, including: Copilot Studio, Azure AI Foundry and Azure DevOps - Software development experience, ideally using Python. - Knowledge of JavaScript or other development languages would be advantageous. - Strong understanding of: Large Language Models (LLMs), Natural Language Processing (NLP), Machine Learning fundamentals and Prompt engineering. - Experience ...

AI Solutions Engineer, Microsoft Tech Stack, Azure DevOps, Copilot

Hiring Organisation
Carrington Recruitment Solutions Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
proof-of-concept experience. Strong Microsoft AI technology experience, particularly Copilot Studio, Azure AI Foundry and Azure DevOps. Software development capability, ideally with Python; JavaScript or other development languages would be an advantage. A solid technical understanding of LLMs, NLP, machine learning fundamentals and prompt engineering. Experience designing prompts, grounding ...

Seismic Engineer

Hiring Organisation
Robert Walters
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 65,000 - 85,000 Annual
Desirable Skills Experience integrating Seismic with Salesforce, Microsoft Dynamics or other CRM platforms. Knowledge of Seismic LiveDocs, LivePages or automation capabilities . Experience with JavaScript, Python, C# or other languages used in enterprise integrations. Understanding of CI/CD, version control and software development best practices. Experience working with content ...

Performance Test Engineer

Hiring Organisation
MThree
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£60,000
technologies (Docker, Kubernetes) and big data platforms (Databricks). Ability to analyse complex performance issues and provide actionable recommendations. Strong scripting skills (e.g., Python, JavaScript) for test automation and data analysis. Knowledge of Performance Test Strategy and defining Non-Functional Requirements. Proven experience in Performance Testing of cloud-based architectures ...

Microsoft AI Engineer

Hiring Organisation
83zero Limited
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£350 - £400 per day
knowledge-grounded AI applications AI agents and agentic workflows Microsoft Fabric Power Platform Azure Functions/Logic Apps APIs and system integrations Python, C#, JavaScript/TypeScript or similar Microsoft Entra ID/cloud security Please click apply ...

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 ...

Salesforce Forward Deployed Engineer

Hiring Organisation
83zero Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
build AI-powered agents and experiences using Salesforce Agentforce, Einstein AI and related technologies. Develop and customise solutions using Apex, Lightning Web Components (LWC), JavaScript, Flow and APIs. Create, customise and optimise prompt templates using Salesforce Prompt Builder. Connect AI agents to enterprise data and business processes through Salesforce Data … engineering standards, code quality, CI/CD and DevOps practices. What we're looking for Strong hands-on Salesforce development experience, including Apex, LWC, JavaScript and Flow. Experience with Salesforce clouds such as Sales Cloud or Service Cloud. Practical experience with Agentforce, Einstein AI, Prompt Builder or other Salesforce ...