1 to 25 of 37 WebSockets Jobs in the UK

Principal Software Engineer

Hiring Organisation
SGI
Location
London, UK
Employment Type
Full-time
Azure), and how front-end and backend services fit together in distributed systems. Strong understanding of front-end performance optimisation, including data streaming (WebSockets, server-sent events, chunked responses). Solid experience with testing strategies (unit, integration, E2E) – Playwright, Cypress or similar tools a plus. Bonus points for experience with ...

AI UX Engineer - £350PD - Remote

Hiring Organisation
Tenth Revolution Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£300 - £350 per day
Component-based architecture and state management API integration and async data handling AWS & Integration Basic AWS services (S3, CloudFront, API Gateway) Authentication (SSO, OAuth) WebSockets for real-time chat To apply for this role please submit your CV or contact Dillon Blackburn on or at . Tenth Revolution Group ...

AI UX Engineer - £350PD - Remote

Hiring Organisation
Tenth Revolution Group
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£300 - £350/day
Component-based architecture and state management API integration and async data handling AWS & Integration Basic AWS services (S3, CloudFront, API Gateway) Authentication (SSO, OAuth) WebSockets for real-time chat To apply for this role please submit your CV or contact Dillon Blackburn on (phone number removed) or at (url removed ...

Software Engineering Manager

Hiring Organisation
Ion recruitment
Location
Edinburgh, City of Edinburgh, United Kingdom
Employment Type
Permanent
Salary
£70000 - £110000/annum plus a blue chip package
manager). Demonstrated success in delivering SaaS applications. Modern web technology stacks (e.g., React, Node.js, Go, Python, PostgreSQL) APIs and communication protocols (REST, WebSockets, MQTT) Cloud and DevOps tools (AWS services such as Lambda, ECS, S3, RDS, along with Docker, Terraform, GitHub, Jenkins, etc.) Comfort in working within small teams ...

React Developer - Fixed Income eTrading

Hiring Organisation
Vertus Partners
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 85,000 - 140,000 Annual
delivering Front End applications in electronic trading environments Strong understanding of performance optimisation and low-latency UI design Experience with Real Time data technologies (WebSockets, FIX, etc.) Familiarity with containerized Front End platforms such as OpenFin is a plus Prior exposure to Fixed Income products (Rates, Credit, Bonds) or other ...

Software Engineer - Mobile Development (Crypto Wallets) - 100% remote

Hiring Organisation
Tether.io
Location
United Kingdom
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. Important information for candidates Recruitment scams have ...

React Native Developer

Hiring Organisation
Sentinel
Location
Slough, Berkshire, UK
Employment Type
Full-time
platform mobile app using React Native Integrate with blockchain/crypto backends (Solana RPC, wallet connectors, Web3 APIs) Implement real‐time features: live updates, WebSockets, subscription streams Handle in-app state management, offline caching, synchronization, data persistence Ensure high performance, smooth animations, responsiveness even under high load Participate in code ...

React Native Developer

Hiring Organisation
Sentinel
Location
London Area, United Kingdom
platform mobile app using React Native Integrate with blockchain/crypto backends (Solana RPC, wallet connectors, Web3 APIs) Implement real‐time features: live updates, WebSockets, subscription streams Handle in-app state management, offline caching, synchronization, data persistence Ensure high performance, smooth animations, responsiveness even under high load Participate in code ...

Senior Fullstack Engineer - Rates and Credit Trading

Hiring Organisation
Robert Walters
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£100,000 - £128,000 per annum
define long-term technology direction Key Requirements: Strong expertise in React, TypeScript, and modern web technologies Proven experience building real-time, event-driven systems (WebSockets, Web Workers, asynchronous data flow) Solid background in backend development, ideally with Java, REST APIs, and messaging frameworks Deep understanding of architecture and system design ...

Full Stack Developer - PHP, Laravel and Vue.js

Hiring Organisation
ITSS Recruitment Ltd
Location
Stafford, Staffordshire, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £65,000 per annum
whole? Excellent teamwork and communication skills, with the ability to collaborate effectively in a cross-functional teamDesirable Skills? Knowledge or familiarity with websockets? Knowledge or familiarity with TypeScript? Familiarity with code reviews and pair-programmingYou will based full time in the office in Stafford initially while you settle in before ...

OTC Developer - Cumberland

Hiring Organisation
DRW
Location
London, England, United Kingdom
years of professional Java or C++ experience. 3+ years of professional script development experience, preferably Python. Demonstrated knowledge of network communication, including multicast and WebSockets Experience with inter-process messaging, micro-service architectures, and API design Experience with Functional Programming and Immutable Design Experience with trading systems is desirable ...

React Developer - Mid Level

Hiring Organisation
Lumenalta
Location
Leicester, UK
Employment Type
Full-time
Insurance, Media or other complex multifactor industries Requirements 3+ years of professional experience (A technical assessment will be required) Experience with Javascript, React, Redux, Websockets, Async/Await Ability to create clean, modern, testable, well-documented code Advanced English fluency, verbal and written Professional, empathic, team player Problem solver, proactive ...

React Developer - Mid Level

Hiring Organisation
Lumenalta
Location
Swindon, UK
Employment Type
Full-time
Insurance, Media or other complex multifactor industries Requirements 3+ years of professional experience (A technical assessment will be required) Experience with Javascript, React, Redux, Websockets, Async/Await Ability to create clean, modern, testable, well-documented code Advanced English fluency, verbal and written Professional, empathic, team player Problem solver, proactive ...

React Developer - Mid Level

Hiring Organisation
Lumenalta
Location
Birmingham, UK
Employment Type
Full-time
Insurance, Media or other complex multifactor industries Requirements 3+ years of professional experience (A technical assessment will be required) Experience with Javascript, React, Redux, Websockets, Async/Await Ability to create clean, modern, testable, well-documented code Advanced English fluency, verbal and written Professional, empathic, team player Problem solver, proactive ...

React Developer - Mid Level

Hiring Organisation
Lumenalta
Location
London, UK
Employment Type
Full-time
Insurance, Media or other complex multifactor industries Requirements 3+ years of professional experience (A technical assessment will be required) Experience with Javascript, React, Redux, Websockets, Async/Await Ability to create clean, modern, testable, well-documented code Advanced English fluency, verbal and written Professional, empathic, team player Problem solver, proactive ...

React Developer - Mid Level

Hiring Organisation
Lumenalta
Location
Bedford, Bedfordshire, UK
Employment Type
Full-time
Insurance, Media or other complex multifactor industries Requirements 3+ years of professional experience (A technical assessment will be required) Experience with Javascript, React, Redux, Websockets, Async/Await Ability to create clean, modern, testable, well-documented code Advanced English fluency, verbal and written Professional, empathic, team player Problem solver, proactive ...

React Developer - Mid Level

Hiring Organisation
Lumenalta
Location
Woking, Surrey, UK
Employment Type
Full-time
Insurance, Media or other complex multifactor industries Requirements 3+ years of professional experience (A technical assessment will be required) Experience with Javascript, React, Redux, Websockets, Async/Await Ability to create clean, modern, testable, well-documented code Advanced English fluency, verbal and written Professional, empathic, team player Problem solver, proactive ...

React Developer - Mid Level

Hiring Organisation
Lumenalta
Location
Cambridge, Cambridgeshire, UK
Employment Type
Full-time
Insurance, Media or other complex multifactor industries Requirements 3+ years of professional experience (A technical assessment will be required) Experience with Javascript, React, Redux, Websockets, Async/Await Ability to create clean, modern, testable, well-documented code Advanced English fluency, verbal and written Professional, empathic, team player Problem solver, proactive ...

React Developer - Mid Level

Hiring Organisation
Lumenalta
Location
South London, UK
Employment Type
Full-time
Insurance, Media or other complex multifactor industries Requirements 3+ years of professional experience (A technical assessment will be required) Experience with Javascript, React, Redux, Websockets, Async/Await Ability to create clean, modern, testable, well-documented code Advanced English fluency, verbal and written Professional, empathic, team player Problem solver, proactive ...

React Developer - Mid Level

Hiring Organisation
Lumenalta
Location
Basingstoke, Hampshire, UK
Employment Type
Full-time
Insurance, Media or other complex multifactor industries Requirements 3+ years of professional experience (A technical assessment will be required) Experience with Javascript, React, Redux, Websockets, Async/Await Ability to create clean, modern, testable, well-documented code Advanced English fluency, verbal and written Professional, empathic, team player Problem solver, proactive ...

React Developer - Mid Level

Hiring Organisation
Lumenalta
Location
Chelmsford, Essex, UK
Employment Type
Full-time
Insurance, Media or other complex multifactor industries Requirements 3+ years of professional experience (A technical assessment will be required) Experience with Javascript, React, Redux, Websockets, Async/Await Ability to create clean, modern, testable, well-documented code Advanced English fluency, verbal and written Professional, empathic, team player Problem solver, proactive ...

React Developer - Mid Level

Hiring Organisation
Lumenalta
Location
Norwich, Norfolk, UK
Employment Type
Full-time
Insurance, Media or other complex multifactor industries Requirements 3+ years of professional experience (A technical assessment will be required) Experience with Javascript, React, Redux, Websockets, Async/Await Ability to create clean, modern, testable, well-documented code Advanced English fluency, verbal and written Professional, empathic, team player Problem solver, proactive ...

React Developer - Mid Level

Hiring Organisation
Lumenalta
Location
United Kingdom
Insurance, Media or other complex multifactor industries Requirements 3+ years of professional experience (A technical assessment will be required) Experience with Javascript, React, Redux, Websockets, Async/Await Ability to create clean, modern, testable, well-documented code Advanced English fluency, verbal and written Professional, empathic, team player Problem solver, proactive ...

React Developer - Mid Level

Hiring Organisation
Lumenalta
Location
Hemel Hempstead, Hertfordshire, UK
Employment Type
Full-time
Insurance, Media or other complex multifactor industries Requirements 3+ years of professional experience (A technical assessment will be required) Experience with Javascript, React, Redux, Websockets, Async/Await Ability to create clean, modern, testable, well-documented code Advanced English fluency, verbal and written Professional, empathic, team player Problem solver, proactive ...

React Developer - Mid Level

Hiring Organisation
Lumenalta
Location
High Wycombe, Buckinghamshire, UK
Employment Type
Full-time
Insurance, Media or other complex multifactor industries Requirements 3+ years of professional experience (A technical assessment will be required) Experience with Javascript, React, Redux, Websockets, Async/Await Ability to create clean, modern, testable, well-documented code Advanced English fluency, verbal and written Professional, empathic, team player Problem solver, proactive ...