1 to 25 of 43 JavaScript Jobs in the City of London

Dynamics 365 CE Developer

Hiring Organisation
Amtis Professional Ltd
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£400 - 500 per day
following: Dynamics 365 CE/CRM development Plugins, workflows and custom APIs Dynamics 365 configuration and customisation C# .NET Framework/.NET Core JavaScript, TypeScript, HTML and CSS Web APIs and integration services Azure Functions Azure Logic Apps Azure Service Bus Azure API Management Azure DevOps Git source control REST ...

Apprentice Software Developer

Hiring Organisation
Reed Technology
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£20000 - £25000/annum
software solutions. Participate in code reviews and maintain high standards of code quality. Required Skills & Qualifications: Experience with programming languages such as TypeScript, JavaScript, and Python. Interest in modern web development and frameworks such as React and Next.js. Understanding of backend development concepts with frameworks like Node.js, Python (Fast ...

Senior Software Engineer

Hiring Organisation
The Portfolio Group
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£90000/annum
guidance, code reviews and mentoring to other engineers. You should have: Strong commercial experience with Python for backend and integration development. Strong TypeScript/JavaScript and React experience building production applications. Strong API design experience, including REST and/or GraphQL, authentication, authorisation, versioning and streaming. Hands-on experience with ...

Technical Lead (AI & MACH)

Location
City Of London, England, United Kingdom
Langflow, Tensorflow Knowledge of Infrastructure as Code, CI/CD Use of Middleware and RESTful or GraphQL APIs Microservices and MACH Architectures. HTML, CSS, Javascript frameworks such as React, or Mobile technologies such as SwiftUI, Kotlin, Flutter or React‐native CMS, DXPs and common MarTech SaaS products integration Atlassian, Azure ...

Senior AI Engineer

Location
City Of London, England, United Kingdom
SDLC, TDD, and code review. Data: Working with relational, columnar, and vector stores, grounded in sound data-modelling principles. Languages: Python, Java, TypeScript/JavaScript, SQL, and relevant AI SDKs. Mentoring: Developing skills in mentoring engineers through pair programming and day-to-day collaboration. Communication: Clear written and verbal communication ...

Senior AI Engineer

Location
City Of London, England, United Kingdom
SDLC, TDD, and code review. Data: Working with relational, columnar, and vector stores, grounded in sound data-modelling principles. Languages: Python, Java, TypeScript/JavaScript, SQL, and relevant AI SDKs. Mentoring: Developing skills in mentoring engineers through pair programming and day-to-day collaboration. Communication: Clear written and verbal communication ...

Net developer

Hiring Organisation
Randstad Technologies Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£55000 - £60000/annum Negotiable
/TeamCity. Concepts: Multithreading, async programming, SQL/NoSQL, automated testing. Nice-to-Haves Fixed Income or electronic trading domain knowledge. Exposure to JavaScript frameworks (React/Angular) or broader AWS services. Apply Now: Submit your CV for immediate consideration. Randstad Technologies Ltd is a leading specialist recruitment business ...

Salesforce Engineer

Hiring Organisation
DGH Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£70,000
Around 2+ years' experience in software engineering, application development or Salesforce development. - Experience with at least one modern programming language such as Java, C#, JavaScript, TypeScript, Python or Apex. - Understanding of software engineering fundamentals including APIs, data modelling, testing, version control and CI/CD. - Knowledge of Salesforce development ...

Net developer

Hiring Organisation
Randstad Technologies Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£55000 - £60000/annum Negotiable
. Cloud & Tools: AWS (EC2) , Docker, Git/TeamCity, SQL/NoSQL. Nice-to-Haves Fixed Income or electronic trading domain knowledge. Exposure to JavaScript frameworks (React/Angular) or wider AWS services. Apply Now: Submit your CV for immediate consideration. Fast 2-stage interview process! Randstad Technologies ...

Senior AI Engineer

Hiring Organisation
Aimtech Recruitment Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
role is Hybrid and requires onsite attendance in Central London 23 days per week. Technical Skills C#, ASP.NET Core, Entity Framework Python, FastAPI JavaScript, TypeScript React or Angular REST APIs, Swagger/OpenAPI SQL Server, PostgreSQL, NoSQL and vector databases Azure App Services, Azure Functions, API Management Docker, Kubernetes … advantageous Key Responsibilities Design, develop, and maintain scalable full stack applications across cloud and web technologies Build responsive front-end applications using modern JavaScript frameworks such as React or Angular Develop secure and scalable back-end services, APIs, and integrations using .NET, Python, and Azure services Design and implement ...

Front-end Software Engineer III

Location
City Of London, England, United Kingdom
hygiene and system architecture Required qualifications, capabilities, and skills Formal training or certification on software engineering concepts and advanced applied experience Proficiency in React, JavaScript/TypeScript, including automated unit/integration testing Respect for clean coding and best practices Hands-on practical experience in system design, application development, testing ...

Oracle Integration Developer(DV Cleared)-UK(Remote/Hybrid)

Location
City Of London, England, United Kingdom
/CD pipelines for Oracle Cloud deployments. Prior experience in a delivery/implementation project (not just support). Scripting experience (Groovy, JavaScript, or PL/SQL) for custom logic within integrations. Education Bachelor's degree in Computer Science, Information Technology, or a related field (or equivalent practical experience). ...

Full-stack Software Engineer

Location
City Of London, England, United Kingdom
applications in Java and building services with Spring Boot or similar backend frameworks Experience building modern web applications using React and strong knowledge of JavaScript or TypeScript Understanding of RESTful APIs and backend design principles, with exposure to GraphQL as a plus Experience working with relational databases such as MySQL ...

Senior AI Engineer - Agentic AI Prototyping & Mentor

Location
City Of London, England, United Kingdom
solutions. You will mentor juniors, conduct pair programming, and help implement best practices across development environments. You will work with Python, Java, TypeScript/JavaScript, and SQL, building agentic AI workflows, and ensuring robust CI/CD delivery in a #J-18808-Ljbffr ...

Frontend Architect - React AI

Hiring Organisation
HCLTech
Location
City of London, London, 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 ...

Technical Architect

Hiring Organisation
DGH Recruitment Ltd
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550/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

Hiring Organisation
Hunter Selection
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
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 ...

Full Stack Developer

Hiring Organisation
Huxley Associates
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£1000/day
join their team. The role will be working development and implementation of applications used across trading. Requirements Java, Springboot, Microservices UI - Angular, Typescript, JavaScript - (open to react also) Kafka, MQ, FIX Protocol Investment Banking or Investment Management experience. AI Driven Development tools, Claude Code, Github Code, Windsurf etc Contract ...

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 ...

Automation Test Engineer

Hiring Organisation
Intec Select Ltd
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 60,000 - 85,000 Annual
Automation Engineer, SDET or similar. Strong hands-on experience with Playwright or a similar modern automation framework. Strong programming/scripting experience, ideally with JavaScript or TypeScript . Experience developing and maintaining automated test frameworks. Experience with API testing and automated testing within CI/CD environments. Experience testing modern ...

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 ...

Developer

Hiring Organisation
Infinity Quest
Location
City of London, Greater London, UK
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 ...

Endur Developer - E/CTRM (UK)

Hiring Organisation
MRE Consulting
Location
City of London, London, United Kingdom
with Endur batch/EOD processes 3–5+ years of Endur-specific development experience Transferable experience (CTRM/general development) Development experience with Java, JavaScript, .NET, or similar SQL experience (Oracle and/or SQL Server) Exposure to Front, Middle, and Back Office workflows within trading systems Experience in energy ...

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 ...