76 to 100 of 633 JavaScript Jobs in London

whole department; Participating in regular show and tells, promoting your work to both your department and the wider company. Preferred Skills Proficiency in JavaScript/TypeScript, Python, and/or Go, with the ability to rapidly learn new languages; Experience with modern frameworks across the stack (FastAPI, Gin, Express, etc. ...

TypeScript and/or Python, and at least one modern test framework (Playwright, Cypress, WebdriverIO, or similar). Good understanding of Node.js and JavaScript, and comfort with bash scripting. Working knowledge of CI/CD principles and tools such as Docker, GitHub Actions/GitLab CI, or equivalent. Experience with ...

traditional Machine Learning, Generative AI models and Agentic AI frameworks in client-facing environments, including data engineering in cloud environments. Strong Python (3.10+), TypeScript, JavaScript (ES6+), SQL and Bash. Front-end: React.js, Next.js (App Router & Server Components), Tailwind CSS, ShadCN UI, Redux, Zustand, Jest, Cypress plus AI product UX patterns ...

platform experience built real-time conversational systems with production STT/TTS integration Proficiency in Python (production-grade, async programming, type hints) and JavaScript/TypeScript (full-stack development) RAG implementation experience built retrieval-augmented generation systems with vector databases MLOps & deployment hands-on with Docker, Kubernetes, CI/ ...

development experience in technologies such as: + C# - .Net Framework 4.7 - .Net Core - Entity Framework - NUnit testing framework + Web development, including - ASP.Net MVC - JavaScript - IIS + Creating APIs/web APIs + MSDTC/MSMQ + Microsoft SQL Server + Azure DevOps - Build and deployment pipelines - Git source control ...

process and software development life-cycle. Hands-on experience of building test automation frameworks from scratch. Proficiency in scripting and programming languages such as JavaScript and Java (3+years). Experience of API testing, ideally using RestAssured or SoapUI. Experience in the implementation of Contract Testing solutions. Familiarity with the configuration ...

that's you, we would like to hear from you. Basic Qualifications Minimum 1-7 years of relevant professional experienceusing amodern UI programming language (Javascript/TypeScript) Experience building modern UI products using React Proven ability to lead engineering teams and deliver complex products with multiple stakeholders Experience architecting, designing ...

enabling you to build industry leading products, we'd love to hear from you! Proficiency in at least one programming language. I.e Python, C#, JavaScript, Kotlin, Java, Go.. Experience with Gen AI tools (e.g LangGraph, CrewAI, Hugging Face, OpenAI APIs etc) Experience in building and optimising systems for performance, scalability ...

right candidate Essential • Excellent PHP skills • Excellent experience designing and optimising relational database systems • Familiarity with frontend technologies such as HTML, CSS & JavaScript • Experience leading large/complex projects • Excellent communication skills with an ability to collaborate with colleagues and stakeholders • Strong troubleshooting and problem-solving skills • Familiarity with software ...

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 ...

assigned duties. Qualifications and Capabilities Technical Skills Required C# .Net Framework 4.7 .Net Core Entity Framework NUnit testing framework Web development, including ASP.Net MVC JavaScript IIS Creating APIs/web APIs MSDTC/MSMQ Microsoft SQL Server Azure DevOps Build and deployment pipelines Git source control AWS Development Serverless development ...

exposures (OWASP Top 10, SANS Top 25) and secure coding practices in at least on major language stack (e.g. Java/Springboot, .NET, JavaScript/Node, Python). Ability to write clear, technical reports and communicate findings and fixes to both technical and non-technical partners. Experience working in large ...

need to be comfortable building, not simply advising. You will bring strong practical capability across areas including: Coding and development: Python and/or JavaScript/TypeScript, Git/version control and experience taking prototypes towards production. Applied AI: LLM APIs and SDKs, prompt orchestration, structured outputs, agentic workflows ...

good cross-section of these skills, along with the adaptability and curiosity to learn new tools as projects demand.* Languages & Frameworks: Python (3.10+), TypeScript, JavaScript (ES6+), SQL, Bash · Frontend: React.js, Next.js (App Router & Server Components), Tailwind CSS, ShadCN UI, Redux, Zustand, Jest, Cypress.* Build AI product UX patterns (streaming, review ...

ideal candidate should typically have professional experience in full-stack software development, or equivalent capabilities. Proficiency in the core technologies used; Python, Django, JavaScript (jQuery), MySQL, Linux (Red Hat), Version Control (Git). Ability to work as a full stack developer using a range of technologies; proficient with front ...

strong production experience with comparable foundation-model APIs and the ability to transfer those skills to Claude. Python and/or TypeScript/JavaScript, modern API frameworks, front-end frameworks, automated testing and software design patterns. Claude Code or comparable AI coding assistants integrated with enterprise source control ...

strong production experience with comparable foundation‐model APIs and the ability to transfer those skills to Claude. Python and/or TypeScript/JavaScript, modern API frameworks, front‐end frameworks, automated testing and software design patterns. Claude Code or comparable AI coding assistants integrated with enterprise source control ...

underlying web technologies. We value well‐maintained, open‐source tools that can be used to produce semantic HTML , performant CSS and unobtrusive JavaScript with Express.js and TypeScript, and we assess all our services against accessibility criteria. We’re happy to help you learn our tech stack once you’re part ...

across complex digital transformation programmes. Your Role Design, develop and maintain scalable microservices using Java and Spring Boot. Build responsive web applications using React, JavaScript/TypeScript, HTML and CSS. Provide technical leadership and guidance to development teams, supporting engineers and encouraging best practice. Act as a key point … pipelines, DevOps practices and secure digital platforms. Skills & Experience Strong experience building RESTful microservices using Java and Spring Boot. Frontend development experience with React, JavaScript/TypeScript, HTML and CSS. Proven experience leading or mentoring development teams. Strong stakeholder management and client-facing communication skills. Experience working directly with clients ...

Skills & Experience We're interested in speaking with candidates who have experience in some of the following areas: React, TypeScript and modern JavaScript development Mobile application development using iOS and/or Android technologies API development and systems integration Software design principles and application architecture CI/CD pipelines, DevOps ...

automation frameworks in complex environments Strong hands-on experience with tools such as Playwright, Selenium, REST Assured, Postman, or similar Development experience using Java, JavaScript, or TypeScript Experience testing APIs, microservices, and distributed systems Strong understanding of CI/CD practices and automated quality gates Experience defining testing strategies ...

Framework (SPFx), React, and TypeScript. Experience with SharePoint REST APIs, Microsoft Graph APIs, and PnP PowerShell. Knowledge of C#, ASP.NET MVC, .NET, SQL Server, JavaScript, HTML, and CSS. Understanding of the software development lifecycle (SDLC), software testing, and source control. Strong analytical, troubleshooting, and problem-solving skills. Professional Experience Education ...

Required Building robust AI services and APIs using Python, FastAPI, Django or Flask, supported by strong SQL Create engaging, responsive AI products using TypeScript, JavaScript, React and Next.js Ground LLM applications in trusted business data through RAG, MCP and model integration Design multi-agent solutions using frameworks such as LangChain ...

concepts, Git and end to end software delivery lifecycle Experience with OOP languages such as Java Exposure to front end technologies such as JavaScript and React #J-18808-Ljbffr ...

hands-on technical capacity.* Strong software engineering expertise across modern languages and frameworks, including experience coding in one or more of: Python, Go, TypeScript, JavaScript or React.* Experience delivering AI-enabled or Generative AI solutions within enterprise environments.* Experience building enterprise-scale cloud-native applications using Kubernetes, containers, microservices ...