1 to 25 of 38 WebSockets Jobs in the UK excluding London

level proficiency in JavaScript/TypeScript and modern front-end frameworks (e.g., React, Vue, or Angular). Strong understanding of web technologies (HTML5, CSS3, WebSockets) and browser APIs. Proficient in responsive design and cross-browser compatibility techniques. Knowledge of RESTful APIs and experience integrating front-end with back-end services. More ❯

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 More ❯

Computer Science or related field. Proven experience as a Node.js Developer. Strong JavaScript and Node.js framework skills (Express, Koa). Experience with RESTful APIs, WebSockets, and databases (MongoDB, MySQL, PostgreSQL). Understanding of asynchronous programming and event-driven architecture. Experience with Git and agile teamwork. Desirable Skills: Exposure to cloud More ❯

Computer Science or related field. Proven experience as a Node.js Developer. Strong JavaScript and Node.js framework skills (Express, Koa). Experience with RESTful APIs, WebSockets, and databases (MongoDB, MySQL, PostgreSQL). Understanding of asynchronous programming and event-driven architecture. Experience with Git and agile teamwork. Desirable Skills: Exposure to cloud More ❯

query optimisation Docker Experience in deploying/troubleshooting applications specifically in a Microsoft Azure environment (including SQL Azure, Web Apps, Service Bus) Azure DevOps Websockets/SignalR experience Experience with FIX protocol Package/Benefits: £100,000 - £120,000 Basic Salary 25 days annual leave A gym membership with one More ❯

with Docker & Kubernetes What You’ll Need: Deep expertise in React, TypeScript & frontend architecture Strong problem-solving & performance optimization skills Experience with GraphQL, REST & WebSockets Excellent communication & ability to align tech with business goals What’s on Offer: Competitive salary + performance bonuses High-impact role with senior stakeholder exposure More ❯

Requirements Commercial experience 2+ years JS, ES6+, Typescript OOP and SOLID principles; Reactjs, Angular, Webpack based web-applications; Familiarity with functional programming REST API, Websockets Reactive Programming (RXJS); Experience of using Test Frameworks (JEST) SCSS/BEM Performance Testing Experience with DevTools and Performance Improvements CI/CD GIT Cross More ❯

Care about inclusion and accessibility - especially for overlooked communities Our tech stack Frontend & Backend React, Nuxt, JavaScript/TypeScript FastAPI, Node.js REST, CRUD, GraphQL, WebSockets Cloud & Infra Azure (core platform) Microservices architecture CI/CD via GitHub Actions & Azure DevOps Infrastructure as Code: Terraform, Bicep, Pulumi, etc. Databases & Messaging PostgreSQL More ❯

Care about inclusion and accessibility - especially for overlooked communities Our tech stack Frontend & Backend React, Nuxt, JavaScript/TypeScript FastAPI, Node.js REST, CRUD, GraphQL, WebSockets Cloud & Infra Azure (core platform) Microservices architecture CI/CD via GitHub Actions & Azure DevOps Infrastructure as Code: Terraform, Bicep, Pulumi, etc. Databases & Messaging PostgreSQL More ❯

Experience with testing frameworks/packages like JUnit, Mockito, pyfixtures, or locust Understanding of what is under the hood of most modern frameworks (including websockets) Experience with one or more industry standard Cloud Service Providers, including AWS, Azure, or Google Cloud Experience delivering high-quality products in a large-scale More ❯

Familiarity with the React reconciliation process and browser debugging tools Experience in functional programming and Jest for testing Bonus Experience: Knowledge of RxJS, Node.js, WebSockets, Vite/ESBuild, Docker, and more Familiarity with back-end technologies such as C#, Kafka, and Snowflake This opportunity offers not just career growth, but More ❯

component-based frameworks. Experience building or maintaining back-end APIs (ideally in PHP or a similar backend stack). Good understanding of asynchronous communication (WebSockets, REST, etc.). Comfortable in fast-paced, agile environments with high autonomy. Strong communication and problem-solving skills. Bonus Points For: Experience with graphics, animation More ❯

experience (Oracle preferred) Comfort with Unix/shell scripting Agile mindset (Scrum, TDD, pair programming) Passionate problem solver & team player? Frontend experience: React, HTML5, Websockets Knowledge of Structured Products (Notes, Warrants, etc.) Location: Hybrid Be part of a team where your code actually matters. Ready to make an impact? Apply More ❯

/CD, and Agile/Scrum experience Nice to Have: Exposure to cross-asset trading environments (FX, Equities, Fixed Income, etc.) Experience with Node.js, WebSockets, or API gateway patterns Testing frameworks (Jasmine, Karma, Cypress) Contract Details: Inside IR35 6 months rolling contract Up to £800 per day Hybrid More ❯

between business, product, and engineering teams. Nice-to-Have : Experience with Event-Driven Architecture using AWS services (SNS, SQS, EventBridge). Knowledge of GraphQL, WebSockets, or real-time data streaming. Exposure to DevOps and observability practices (e.g., Prometheus, Datadog, AWS CloudWatch, OpenTelemetry). Prior experience in leading distributed engineering teams. More ❯

shore development teams. Technical Skills: Strong understanding of mobile architecture patterns (MVVM, MVP, etc.) and SOLID principles. Familiarity with RESTful APIs, Graph APIs, JSON, WebSockets, and integration with backend services. Experience with unit testing & automated testing frameworks/tools (XCTest, XCUITest, or third-party libraries etc.). Deep understanding of More ❯

off-shore development teams. Technical Skills Strong understanding of mobile architecture patterns (MVVM, MVP) and SOLID principles. Familiarity with RESTful APIs, Graph APIs, JSON, WebSockets, and integration with backend services. Experience with unit testing & automated testing frameworks/tools (XCTest, XCUITest, or third-party libraries). Deep understanding of UI More ❯

experience with prior startup exposure Proficiency in Python and JavaScript; familiarity with frameworks such as FastAPI, Express.js, and React Strong understanding of REST APIs, WebSockets, and webhook integrations Experience with Git and GitHub for collaborative development Knowledge of cloud infrastructure, preferably GCP (Cloud Run, App Engine) Willingness to learn quickly More ❯

SQL-based databases with at least 2-3 years of experience . ✔ Real-time Streaming & Low Latency – Implement real-time communication protocols such as WebSockets to create engaging, live betting and gaming experiences. ✔ Code Quality & CI/CD – Lead the coding standards across the backend team, drive unit testing, automated More ❯

quickly and excellent problem-solving skills Technical: · Five years Python core development experience working in an enterprise environment. · Experience in creating libraries, restful services, websockets · Libraries: Polars, Pandas, AMPS, Asyncio, Threading, multiprocessing · Two years’ experience SQL Databases (PostGreSQL desirable) – preferred but not essential More ❯

front-end applications in a fast-paced environment Knowledge of low-latency design principles and performance optimisation Experience with real-time data streaming technologies (WebSockets, FIX, TCP) Familiarity with OpenFin or other containerized front-end frameworks Proven ability to build responsive, high-performance UIs for trading environments Understanding of FX More ❯

following experience: 10+ commercial experience as a Frontend Developer Architecting and developing desktop and mobile interfaces React, React Native, Redux, React Hooks CSS, Typescript, Websockets, REST APIs Leading cross-functional teams to drive product launches and realise end-to-end solutions Bonus points : understanding of trading interfaces, financial experience, blockchain More ❯

a whole Excellent teamwork and communication skills, with the ability to collaborate effectively in a cross-functional team Desirable Skills Knowledge or familiarity with websockets Knowledge or familiarity with TypeScript Familiarity with code reviews and pair-programming You will be based full time in the office in Stafford initially while More ❯

Integrate and display real-time data on interactive maps (i.e. Google Maps, HERE Maps). Ensure smooth and secure network communication using REST APIs, WebSockets, or other relevant protocols. Collaborate with designers, backend developers, and data scientists to improve app features. Debug and optimise app performance, ensuring reliability and information More ❯

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, but More ❯