1 to 25 of 153 WebSockets Jobs in London

Join to apply for the Senior Fullstack Developer (React & Node.js) role at Pragmatike Join to apply for the Senior Fullstack Developer (React & Node.js) role at Pragmatike Job Description Job Description Location: Full remote, EU timezone (CET 2 hours) Start Date More ❯

to support the platforms bilingual capabilities. Experience with AI/ML integrations or recommendation systems. Expertise in Matrix/Synapse integration for real-time messaging and communication. Knowledge of WebSockets, real-time messaging, and event-driven architectures. Background in platform monetisation and payment integration. Strong familiarity with access control, authentication (OAuth, JWT), and data privacy regulations. More ❯

support the platform’s bilingual capabilities. Experience with AI/ML integrations or recommendation systems. Expertise in Matrix/Synapse integration for real-time messaging and communication. Knowledge of WebSockets, real-time messaging, and event-driven architectures. Background in platform monetisation and payment integration. Strong familiarity with access control, authentication (OAuth, JWT), and data privacy regulations. More ❯

understanding of user accessibility needs, UI responsiveness across devices, cross-browser compatibility and performance considerations Strong understanding of browsers and web APIs including HTML Canvas, Drag and Drop, SSE, WebSockets, etc. Expertise in HTML, CSS, Javascript with the ability to write complex user interfaces using these languages. This includes knowledge of programming concepts, design patterns,, data structures, algorithms, and UI More ❯

and proficient in English, written and spoken. Proficiency with TypeScript, Next.js, Node.js and React Native. Experience deploying to Google Cloud, Vercel, or other cloud providers. Comfort working across REST, WebSockets, GraphQL, or gRPC APIs. Ability to architect and maintain scalable, secure systems with a clean codebase. Experience working with CI/CD pipelines, version control (Git), and Agile methodologies. Organised More ❯

to architectural decisions and suggest improvements to system design and development practices About the candidate: 3+ years of experience in a similar role Experience with RESTful APIs, GraphQL, and WebSockets Experience with cloud platforms (AWS, Azure, or GCP) and containerization (Docker, Kubernetes) is beneficial Familiarity with CI/CD pipelines, DevOps practices, and automated testing Excellent problem-solving skills and More ❯

The core responsibilities for the job include the following: Frontend Development Responsibilities: Develop, test, and maintain responsive and user-friendly web interfaces using modern JavaScript frameworks such as React, Svelte, and Angular. Collaborate with designers to translate UI/UX More ❯

AI Solution Architect (AI Agents, Retail/eCommerce) Join to apply for the AI Solution Architect (AI Agents, Retail/eCommerce) role at Good Chemical Science&Technology Co.Ltd. AI Solution Architect (AI Agents, Retail/eCommerce) 1 week ago Be More ❯

AI Agents Solution Architect - Future Talent (Q2/Q3 opportunities) for leading GSI in the software engineering market AI Solution Architect to design and implement AI-driven agent solutions for the online commerce space. Deep understanding of AI/ML More ❯

Who we are looking for Responsible for implementation and delivery of new UI features, services and enhancements to the BestX product and exhibit superior skills in modern Agile, Cloud-based, Web Development. Why this role is important to us State More ❯

Git, Docker. Arabic language skills for bilingual platform support. Experience with AI/ML integrations or recommendation systems. Expertise in Matrix/Synapse for real-time communication. Knowledge of WebSockets, event-driven architectures. Background in monetization and payment systems. Understanding of access control, OAuth, JWT, and data privacy regulations. #J-18808-Ljbffr More ❯

environments Design and implement modular, event-driven architectures (e.g., Lambda + SQS/SNS + Step Functions) to enable scalable agent workflows Develop and manage API layers (REST, GraphQL, WebSockets) to orchestrate intelligent interactions between agents, models and services Lead implementation of full-stack interfaces and services using Node.js, TypeScript, React.js, Express, Next.js Integrate ML models and embeddings into production More ❯

environments Design and implement modular, event-driven architectures (e.g., Lambda + SQS/SNS + Step Functions) to enable scalable agent workflows Develop and manage API layers (REST, GraphQL, WebSockets) to orchestrate intelligent interactions between agents, models and services Lead implementation of full-stack interfaces and services using Node.js, TypeScript, React.js, Express, Next.js Integrate ML models and embeddings into production More ❯

processes, and much wanted user experience improvements; all to drive more business safely. You must have a successful experience developing real-time web front ends using both REST and websockets APIs. We are particularly looking for developers with an excellent knowledge and understanding of the software engineering fundamentals as well as strong solution design skills promoting simplicity, stability, performance, and More ❯

Introduction PhysicsX is a deep-tech company with roots in numerical physics and Formula One, dedicated to accelerating hardware innovation at the speed of software. We are building an AI-driven simulation software stack for engineering and manufacturing across advanced More ❯

Founding AI Frontend Developer | naptha.ai About the role: We are seeking a talented frontend developer to join our team as a founding member, focusing on rapidly developing and deploying dynamic user interfaces for products built on our custom multi-agent More ❯

ceremonies including stand-ups, backlog refinement, and retrospectives Evaluate and improve the frontend architecture, including state management and API integrations Help implement real-time frontend/backend communication using WebSockets Extend and optimise the use of Nx for a frontend monorepo setup Leverage Zustand and TanStack Query for state/data handling, and React Router for navigation Work on real More ❯

ceremonies including stand-ups, backlog refinement, and retrospectives Evaluate and improve the frontend architecture, including state management and API integrations Help implement real-time frontend/backend communication using WebSockets Extend and optimise the use of Nx for a frontend monorepo setup Leverage Zustand and TanStack Query for state/data handling, and React Router for navigation Work on real More ❯

Node.js and REST APIs Familiarity with microservices, Docker, and CI/CD Solid testing experience (Jest, Mocha, etc.) Nice to have : Fintech, payment systems or secure coding experience Redis, WebSockets, or real-time system knowledge Familiarity with monorepos, Swagger/OpenAPI, and compliance (PCI, GDPR) Security-First Mindset Our platform handles sensitive financial datasecurity and compliance are central to everything More ❯

and designing clean data models (SQL/NoSQL) Bonus Points For: Familiarity with AI/LLM tools (LangChain, Vercel AI SDK, OpenAI APIs) Experience building real-time apps (e.g., WebSockets) Understanding of authentication/authorization flows in web apps Knowledge of financial services, fintech, or enterprise-grade products This is a rare opportunity for a Senior Full Stack Engineer to More ❯

and designing clean data models (SQL/NoSQL) Bonus Points For: Familiarity with AI/LLM tools (LangChain, Vercel AI SDK, OpenAI APIs) Experience building real-time apps (e.g., WebSockets) Understanding of authentication/authorization flows in web apps Knowledge of financial services, fintech, or enterprise-grade products This is a rare opportunity for a Senior Full Stack Engineer to More ❯

ceremonies including stand-ups, backlog refinement, and retrospectives Evaluate and improve the frontend architecture, including state management and API integrations Help implement real-time frontend/backend communication using WebSockets Extend and optimise the use of Nx for a frontend monorepo setup Leverage Zustand and TanStack Query for state/data handling, and React Router for navigation Work on real More ❯

environments Design and implement modular, event-driven architectures (e.g., Lambda + SQS/SNS + Step Functions) to enable scalable agent workflows Develop and manage API layers (REST, GraphQL, WebSockets) to orchestrate intelligent interactions between agents, models and services Lead implementation of full-stack interfaces and services using Node.js, TypeScript, React.js, Express, Next.js Integrate ML models and embeddings into production More ❯

Validus is looking for a talented engineer at a senior level to join our frontend development team. The frontend team is responsible for the design and development of our web applications implemented in React. The frontend development team is part More ❯

Cloud Application Developer, Application Migration, Modernization and Management (AM3) The Amazon Web Services Professional Services (ProServe) team is seeking an experienced Application Developer to join our team at AWS. In this role, you'll work with our customers to architect More ❯