1 to 25 of 102 JavaScript Jobs in the City of London

technology capability and commercial goals. Drive innovation: pilot emerging technologies (AI, automation, data services) that improve efficiency and insight. Tech Stack: Frontend HTML5, CSS3, JavaScript (ES6+), TypeScript React.js (preferred), Angular, or Vue.js Responsive design (Bootstrap, Tailwind), state management (Redux, Context API) Front-end testing (Jest, React Testing Library, Cypress) Backend ...

Agile and DevOps practices, with a focus on continuous integration and delivery. Some proficiency in one or more programming languages (e.g., .NET, Python, JavaScript) and experience with software architecture patterns. Experience with cloud platforms (e.g. Azure, AWS, GCP) and infrastructure as code (Terraform). Familiarity with CI/CD pipelines ...

ability to take initiative and drive projects forward Proficiency in full-stack development using any object oriented language (we use .NET) and any modern javascript framework (we use React) Experience working with databases (SQL and NoSQL), APIs, and web technologies. Experience with cloud platforms (AWS, GCP, Azure) Solid understanding ...

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. ...

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 ...

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 ...

design is a plus Experience with Unit Testing is a plus Current tech stack C# .NET MVC Entity Framework (Code-First) MSSQL HTML & CSS JavaScript Git Azure Infrastructure Redis Third-Party APIs Benefits Part of a fast-growing company in the fintech space. Remote working. Additional learning resources. 25 days ...

financial regulations such as GDPR, SOX Experience with cloud-based QA practices Exposure to AI-assisted testing tools Knowledge of web technologies (HTML, CSS, JavaScript) and browser automation tools (Selenium) Formal QA certification (ISTQB or equivalent) Experience with Microsoft Fabric (advantageous) What the Client Is Looking For A hands ...

years of experience building full-stack applications in a production environment. Proven experience with modern front-end frameworks (e.g., React, Vue, Angular) and strong JavaScript/TypeScript skills. Solid backend experience with one or more languages/frameworks (e.g., Node.js, Python, Go, Java, Ruby). Experience designing and implementing RESTful ...

schema design, domain-driven architecture, and concurrency. Proven experience developing production-grade RESTful APIs ideally with an API-first approach. Some proficiency in JavaScript/TypeScript-based frontend development, with extensive expertise in React. This includes a deep understanding of the DOM, component design, CSS, and state management. Familiarity with ...

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 ...

well across disciplines Bonus: experience with identity systems (e.g. Microsoft Entra ID/Azure AD), SSO, or HRIS integration OUR TECH STACK Frontend: React, JavaScript Backend: C#, .Net, Azure Service Fabric, Kubernetes Infrastructure: Azure, Service Fabric, Cosmos DB WHY COCENTRIC Be a key part of a product that’s transforming ...

Power Platform with Azure services, custom connectors, APIs, and Logic Apps Experience applying ALM principles using Azure DevOps and Power Platform Build Tools Solid JavaScript experience for client-side customisation and web resources Experience working in agile, multidisciplinary delivery teams Strong understanding of security concepts including Dataverse security and role ...

Senior Software Engineer Key Technologies: C#, .NET, React, JavaScript, Typescript, AWS, Docker City of London, United Kingdom Perm Role: £80,000 - £120,000 Harrington Starr has partnered with a Global Financial Services Vendor and they are looking for a Senior C#, .NET Software Engineer to join their growing team! This ...

Dynatrace Data persistence and storage using a mix of relational and NoSQL technologies, including SQL Server and MongoDB Frontend applications built with contemporary JavaScript frameworks and languages such as React , Next.js , Angular , and TypeScript In-memory data grids and caching solutions leveraging technologies like Redis and Ignite If of interest ...

will contribute to the development of our new web application, powered by a Headless CMS, using the latest frontend technologies. Working with a modern JavaScript stack, your primary focus will be on coding, testing, and enhancing the functionality of Travelex's and partner applications. Being part of the Online team ...

skills : Write test scripts Proven experience as a Test Engineer, QA Engineer, or similar role Strong scripting or programming skills (e.g. Java, Python, JavaScript, C#, or similar) Hands-on experience with test automation tools/frameworks (e.g. Selenium, Cypress, Playwright, REST Assured, pytest, etc.) Experience testing APIs and services Familiarity ...

inside IR35 - umbrella only Active SC clearance required Skills/Tech: Kafka Java docker Spring (framework boot, Data) K8 Helm React Typescript/JavaScript Postgres Open Search/ElasticSearch Playwright Wiremock Grafana Prometheus Dynatrace Git NodeJS Rest API GBS/Project Blue/Maya Limbachia Hands-on DevOps Engineer ...

databases. CI/CD experience. Experience in API design and building system integrations. Microsoft Dynamics integration (highly desirable). Python and/or JavaScript experience (desirable). Excellent communication skills and confidence in working remotely. This C# Developer role is an immediate start, with interview slots available next week. ...

least a BSc level or higher in Computer Science or Mathematics from a Russell Group University or equivalent. Desirable skills: HTML5, CSS, JavaScript Multi-threaded application development Understanding of Windows technologies If you feel you have the skills and experience required for this opportunity, please contact Oliver Wilson ...

degree in Computer Science or a related field is preferable. Minimum of five years of work experience in web development. Proficiency in C#, Core, JavaScript, HTML, CSS, MVC, and JSON. Experience with UI binding frameworks such as Vue.js, AngularJS, React, or Knockout is beneficial. Strong understanding of the MVC pattern ...

including classification, regression, and clustering. Experience with ML frameworks and libraries such as PyTorch, TensorFlow, and Scikit-learn. Programming skills in Python; familiarity with JavaScript is advantageous. Knowledge of cloud platforms like AWS and Azure. Experience with data preprocessing, feature engineering, and model evaluation. Excellent problem-solving, teamwork, and communication ...

Role: Senior Product Engineer (Fullstack) Salary/Package: £90k-£140k + Equity Options Company Sector: AI Start Up Experience Level: Senior (5+ years) Tech: JavaScript, TypeScript, Node.js, React.js, AWS Location: Central London Working Arrangement: 5 days a week in the office (flex hours) Product Engineer (Full Stack) Help shape ...

least a BSc level or higher in Computer Science or Mathematics from a Russell Group University or equivalent. Desirable skills: HTML5, CSS, JavaScript Multi-threaded application development Understanding of Windows technologies If you feel you have the skills and experience required for this opportunity, please contact Oliver Wilson on (phone ...

ensure technology is used to its full potential. Requirements: Strong technical design and coding skills using modern web technologies and frameworks, such as JavaScript/TypeScript and/or C#/.NET, Node.js, cloud platforms (Azure, AWS, or GCP), Kubernetes, SQL and NoSQL databases, and Redis. Broad knowledge of server ...