1 to 25 of 51 Permanent WebSockets Jobs in the UK

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 ❯

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 ❯

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 ❯

component architecture, routing, and design-system integration (Storybook). Implement a robust state management solution (e.g., Redux Toolkit, React Query, or Zustand). Integrate REST/GraphQL endpoints and websockets for real-time LLM responses. Optimize bundle size, lazy-loading, and runtime performance. Set up and enforce unit, integration, and end-to-end (E2E) test suites using Jest, React Testing More ❯

component architecture, routing, and design-system integration (Storybook). Implement a robust state management solution (e.g., Redux Toolkit, React Query, or Zustand). Integrate REST/GraphQL endpoints and websockets for real-time LLM responses. Optimize bundle size, lazy-loading, and runtime performance. Set up and enforce unit, integration, and end-to-end (E2E) test suites using Jest, React Testing More ❯

Python Technical Architect 6 Month contract initially Based: Hybrid - Bradford (Max 3 days p/w onsite) Rate: Market rates (via Umbrella company) We have a great opportunity with a world leading organisation where you will be provided with all More ❯

Python Technical Architect - Python, Django, Flask, Microservices, Rest API, Cloud, CI/CD, Databases, FastAPI I am working with a leading global consultancy who is looking for a Python Technical Architect to join a dynamic team delivering solutions for major More ❯

Teamwork makes the stream work. Roku is changing how the world watches TV Roku is the TV streaming platform in the U.S., Canada, and Mexico, and we've set our sights on powering every television in the world. Roku pioneered More ❯

Remote/Travel to London twice per month An opportunity for a Senior Back-End Developer to join a growing fintech company, working on a ground-breaking trading platform in a team of seasoned entrepreneurs, finance, and tech professionals. The More ❯

and analytics interfaces using ReactJS , TypeScript , and Vite . Implement responsive and intuitive UI components with CSS and Ag-Grid for complex data visualization. Integrate with backend services using WebSockets for live market data and trade updates. Maintain and enhance existing UI applications, ensuring high availability and low latency. Translate business requirements into technical specifications with a strong focus on … Required Skills & Experience: 8 to 10 years of hands-on experience in UI development with ReactJS , TypeScript , and CSS . Strong experience with modern build tools. Good understanding of WebSockets for real-time data streaming. Expertise in Ag-Grid or similar data grid libraries. Good understanding of Rates and Credit products and trading workflows would be advantageous. Experience working in More ❯

and analytics interfaces using ReactJS , TypeScript , and Vite . Implement responsive and intuitive UI components with CSS and Ag-Grid for complex data visualization. Integrate with backend services using WebSockets for live market data and trade updates. Maintain and enhance existing UI applications, ensuring high availability and low latency. Translate business requirements into technical specifications with a strong focus on … Required Skills & Experience: 8 to 10 years of hands-on experience in UI development with ReactJS , TypeScript , and CSS . Strong experience with modern build tools. Good understanding of WebSockets for real-time data streaming. Expertise in Ag-Grid or similar data grid libraries. Good understanding of Rates and Credit products and trading workflows would be advantageous. Experience working in More ❯

real-time bidding (RTB) systems, high-load marketplaces, or chat applications. - Build and optimize distributed systems, with a preference for experience in Actor patterns (optional). - Implement GraphQL and WebSockets where applicable (optional). - Utilize standard web frameworks like Gin or Echo. 3) DevOps and Automation: - Set up and manage CI/CD pipelines using Infrastructure as Code (IaC). More ❯

in PowerShell and Bash. Experience with source repositories (Git) and CI/CD pipeline development (Jenkins/GitLab). Familiarity with network programming (TCP/IP, UDP multicast, REST, WebSockets) is desirable. Experience developing software on both Linux and Windows operating systems. Familiarity with Agile development methodologies is a strong plus. Working knowledge of Jira, and Confluence. Solid understanding of More ❯

in PowerShell and Bash. Experience with source repositories (Git) and CI/CD pipeline development (Jenkins/GitLab). Familiarity with network programming (TCP/IP, UDP multicast, REST, WebSockets) is desirable. Experience developing software on both Linux and Windows operating systems. Familiarity with Agile development methodologies is a strong plus. Working knowledge of Jira, and Confluence. Solid understanding of More ❯

in PowerShell and Bash. Experience with source repositories (Git) and CI/CD pipeline development (Jenkins/GitLab). Familiarity with network programming (TCP/IP, UDP multicast, REST, WebSockets) is desirable. Experience developing software on both Linux and Windows operating systems. Familiarity with Agile development methodologies is a strong plus. Working knowledge of Jira, and Confluence. Solid understanding of More ❯

these. Highly proficient in JavaScript and ES6+. Experience with CI/CD pipelines for mobile development. Familiar with modern front-end pipelines and tools. Experienced with Native modules (C++) , WebSockets, RESTful based APIs. Experience in Swift/Objective-C (iOS) or Kotlin/Java (Android) for low level implementation. More ❯

Senior Backend Developer If you're a seasoned backend developer craving more impact than just turning around tickets, this is your chance to join a trailblazing SaaS innovator where automation and AI tools are not a concept, they’re already More ❯

Sales Enablement Engineer EMEA, Parameta Solutions page is loaded Sales Enablement Engineer EMEA, Parameta Solutions Apply locations London time type Full time posted on Posted Yesterday job requisition id R3803 The TP ICAP Group is a world leading provider of More ❯

The exchange team develops and maintains a cutting-edge trading platform. With a global presence across APAC, EMEA, and North America, the team aims to provide a seamless and secure trading experience for clients. Responsibilities Collaborate with QA managers and More ❯

XiP is building a next-generation cross-asset calculation system for Citi trading desks and enterprise users in the largest global financial markets and exchanges in New York, London, and other major financial hubs. Team & Role Overview Our team owns More ❯

What are they looking for: Experienced within JavaScript & TypeScript including React.js & Node.js Good UI/UX understanding – ideally experience implementing Figma designs Web APIs experience including real-times events, WebSockets and camera access Good experience with testing frameworks such as Jest, React Testing Library Experience with Cloud Infrastructure – the team are currently working with AWS If this role sounds like More ❯

system You will be collaborating closely with the Data Science team, contributing to our AI offerings You will explore a diverse range of technologies, including AWS, Linux, Docker, PostgreSQL, WebSockets, APIs You will have exposure to other technologies such as Linux, Docker, AWS, PostgreSQL Your ideas will be highly valued in our collaborative team environment You will make a real More ❯

systems at scale. A strong understanding of modern dev practices like 12 Factor, CI/CD, and observability tools such as Datadog or Prometheus. Exposure to GraphQL APIs and WebSockets for real-time interactions. As part of our commitment to information security, all employees are expected to adhere to company security policies and procedures, participate in mandatory security awareness training More ❯

systems at scale. A strong understanding of modern dev practices like 12 Factor, CI/CD, and observability tools such as Datadog or Prometheus. Exposure to GraphQL APIs and WebSockets for real-time interactions. As part of our commitment to information security, all employees are expected to adhere to company security policies and procedures, participate in mandatory security awareness training More ❯

systems at scale. A strong understanding of modern dev practices like 12 Factor, CI/CD, and observability tools such as Datadog or Prometheus. Exposure to GraphQL APIs and WebSockets for real-time interactions. As part of our commitment to information security, all employees are expected to adhere to company security policies and procedures, participate in mandatory security awareness training More ❯