1 to 25 of 71 JavaScript Jobs in the City of London

Kotlin/JVM Software Engineer

Hiring Organisation
HCLTech
Location
City of London, London, United Kingdom
with different databases such as Postgres, MySQL, NoSQL (e.g., MongoDB), Redis is recommended. Web technologies – knowledge and experience working with web technologies such as JavaScript, HTML, CSS, TypeScript, C#, SASS, Stylus, Stylus, Python, and LESS. Web frameworks – knowledge and experience working with different frameworks like React Native, AngularJS, Angular2, VueJS ...

Full Stack & Cloud Engineering

Hiring Organisation
Cloud Elemental
Location
City of London, London, United Kingdom
Agile ceremonies and code reviews Troubleshooting and resolving technical issues Contributing to architecture discussions Supporting production environments where required Typical technologies include: React TypeScript JavaScript C# .NET Node.js Python SQL Cloud Engineering & DevOps Work with experienced consultants to design, automate and manage cloud environments. You'll gain experience with: Amazon ...

Java + CloudNative

Hiring Organisation
Randstad Technologies Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£65000 - £70000/annum
Java (Core Java, Multithreading, Concurrency), Kotlin, Spring Boot, ReactJS. Cloud & Serverless: AWS Lambda, AWS Cloud Services, Kubernetes. Additional Technical & Functional Competencies Frontend Architecture: TypeScript, JavaScript (ES6+), Redux/Context API, HTML5, CSS3, REST/gRPC integration. Streaming & Messaging: Apache Kafka, Apache Flink. APIs & Protocols: RESTful web services, gRPC, JSON, Protocol ...

.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 ...

Senior Software Engineer

Hiring Organisation
Akkodis
Location
City Of London, England, United Kingdom
cloud platforms (e.g., AWS, Azure, Google Clou d).Familiarity with other programming languages such as Java or C ++.Understanding of front-end technologies (e.g., JavaScript, HTML, CSS) is a pl us.Prior experience in a financial services or trading environme nt.Strong analytical and mathematical skil ls. ...

Senior PHP Developer

Hiring Organisation
Profectus Recruitment
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£75,000 - £80,000 per annum
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 ...

Software Developer

Hiring Organisation
Reed
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £45,000 per annum, Inc benefits
application development. Use Node.js and related tools for effective backend development. Design and implement effective UIs with a focus on user experience, using TypeScript, JavaScript, and CSS. Integrate frontend and backend aspects of the application using RESTful APIs. Participate in continuous integration and deployment (CI/CD) pipelines. Ensure software ...

Solution Engineer

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
/Experience Experience building and deploying enterprise software applications. Customer-facing consulting or solution engineering experience. Strong programming skills in Python and/or JavaScript . Experience with modern front-end frameworks such as React , Angular , or Vue . Knowledge of Git and modern development workflows. Experience with cloud platforms ...

Senior Technical Lead

Hiring Organisation
InstaResource Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
content schemas, design tokens and component specifications. Experience with prompt engineering or AI automation pipelines is highly desirable. Core Technical Skills: .NET/C# JavaScript/TypeScript React or Next.js RESTful APIs GraphQL CI/CD pipelines (Azure DevOps or GitHub Actions) Performance optimisation WCAG 2.1 accessibility standards SEO best ...

Technical Lead (AI & MACH)

Hiring Organisation
Jobleads-UK
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 ...

Junior Business Solutions Developer

Hiring Organisation
Deerfoot Recruitment Solutions Limited
Location
City of London, London, Charing Cross, United Kingdom
Employment Type
Permanent
Salary
£35000 - £40000/annum Benefits + Hybrid Working
from stakeholders and document work clearly whilst following structured processes. Desirables: Experience using or maintaining VBA macros, basic programming/scripting exposure (e.g., Python, JavaScript, Power Fx, SQL), or an awareness of testing, version control, Azure services, or data architecture. Work Model & Location This is a hybrid role based ...

Senior React Developer

Hiring Organisation
E-Solutions
Location
City of London, London, United Kingdom
hands-on experience across the full UI development lifecycle, including design, development, testing, and deployment. Technical Skills & Expertise ✅ Expert-level proficiency in HTML, CSS, JavaScript, React, and TypeScript ✅ Strong understanding of WebSockets, Server-Sent Events (SSE), and REST APIs ✅ Solid experience with state management libraries (e.g., Redux) and reactive programming ...

Application Engineer (Java/Python | Wealth Management)

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£65000 - £90000/annum
Exposure to IRESS Xplan , Xmerge or adviser platforms Experience with Snowflake, Power BI or Alteryx Knowledge of wealth management operating models and advice processes JavaScript development experience CI/CD and DevOps exposure If you're a Java/Python Engineer with wealth management experience looking to make a meaningful ...

Software Engineer

Hiring Organisation
Anson McCade
Location
City of London, London, United Kingdom
engineering. • Strong programming skills in at least one language such as C++, Java or C#. • Experience with utility or scripting languages such as Python, JavaScript or PowerShell. • Knowledge of Linux, Windows or multiple operating systems. • Experience with development tools, source control, testing and CI/CD practices. • An understanding ...

Development Lead (Manager)

Hiring Organisation
Oliver Wyman
Location
City of London, London, United Kingdom
stack development across a modern back-end stack (e.g. C#/.NET Core and/or Python ) and front end (e.g. Angular or React , JavaScript/TypeScript). Strong database and data-modelling skills (e.g. SQL Server/PostgreSQL; schema design; DBML or equivalent). Experience building and maintaining … client to client; the list below is representative rather than fixed. Back end: C#/.NET Core, Python Front end: Angular or React, JavaScript/TypeScript Data: SQL Server, PostgreSQL, DBML, NoSQL databases Cloud & DevOps: Azure, AWS, Docker, Azure DevOps, GitHub, CI/CD, PowerShell, YAML Ways of working: Agile ...

Full Stack Product Engineer

Hiring Organisation
Hyphen Global
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£80,000
experience developing and deploying full-stack applications. Demonstrated proficiency with at least one backend framework (e.g., Django, Node.js) and modern frontend technologies (HTML, CSS, JavaScript). Proven experience with cloud platforms (GCP or Azure) and CI/CD practices. Strong command of version control systems (Git) and containerization (Docker). ...

ServiceNow Technical Architect

Hiring Organisation
Anson McCade
Location
City of London, London, United Kingdom
business leaders. At least five years leading, mentoring and developing ServiceNow technical teams. Strong experience implementing technical governance, architecture reviews and coding standards. Advanced JavaScript development and scripting expertise. Strong knowledge of REST APIs, SOAP Web Services and enterprise integrations. SQL and integration design experience. Experience integrating ServiceNow with ...

ServiceNow Architect

Hiring Organisation
Anson Mccade
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
business leaders. At least five years leading, mentoring and developing ServiceNow technical teams. Strong experience implementing technical governance, architecture reviews and coding standards. Advanced JavaScript development and scripting expertise. Strong knowledge of REST APIs, SOAP Web Services and enterprise integrations. SQL and integration design experience. Experience integrating ServiceNow with ...

Ecommerce AI Engineer (Contract)

Hiring Organisation
Salt
Location
Westminster, London, City of Westminster, United Kingdom
Employment Type
Contract
Contract Rate
£250 - £275/day
bring: * At least five years' experience across AI, software engineering, ecommerce, platform engineering or a closely related area * Strong development skills in Python and JavaScript or TypeScript * Experience developing and optimising WordPress websites, including custom themes, plugins and API integrations * Experience integrating booking engines, ecommerce platforms and payment systems * Practical ...

Ecommerce AI Engineer

Hiring Organisation
Salt
Location
Westminster, London, City of Westminster, United Kingdom
Employment Type
Permanent
Salary
£45000 - £55000/annum
bring: * At least five years' experience across AI, software engineering, ecommerce, platform engineering or a closely related area * Strong development skills in Python and JavaScript or TypeScript * Experience developing and optimising WordPress websites, including custom themes, plugins and API integrations * Experience integrating booking engines, ecommerce platforms and payment systems * Practical ...

Applied AI Forward Deployed Engineer – Associate Manager

Hiring Organisation
Accenture
Location
City of London, London, United Kingdom
pipelines, evaluation frameworks, workflows, and deployment. Technical Skills Solid programming proficiency (we are open to any experience but primary languages include: TypeScript and the JavaScript ecosystem, Python and Java). Hands-on experience building and deploying AI agents or multi-agent systems. Working familiarity with enterprise IT architecture, cloud platforms ...

Full Stack Engineer (Front End focus) - Banking

Hiring Organisation
AMS CWS
Location
City of London, London, United Kingdom
Employment Type
Contract
initiatives. The skills you'll need: Full-stack software development experience, with strong expertise in front-end engineering. Strong commercial experience with ReactJS, TypeScript, JavaScript, HTML5 and CSS3, building scalable and responsive web applications. Experience with modern front-end frameworks and tooling, including Next.js and Tailwind CSS. Experience developing ...

Innovation Consultant

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

Frontend Architect - React

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 ...