1 to 25 of 89 WebSockets Jobs in the UK

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 ❯

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 ❯

pipelines Agile software development and code reviews Desirable It would be beneficial for you to have some experience with: Data visualisation libraries e.g. D3, websockets and storybook Design tools such as Figma and Balsamiq Cloud technologies such as Kubernetes and Google Cloud Platform What we offer: In addition to competitive 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 ❯

in a similar role; candidates with more experience will be considered for Senior DevOps Engineer or DevOps Lead positions. Nice to have Experience with WebSockets and binary communication protocols, enhancing real-time data transfer capabilities. Strong understanding of scaling high-throughput, real-time applications in a cloud-native or distributed 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 ❯

data applications using Django (Python) Proficiency in TypeScript, JavaScript libraries and HTML/CSS. Understanding of real-time communication features using Django Channels and WebSockets for asynchronous protocols, managed by Daphne ASGI server Cloud infrastructure solutions using AWS (S3 and Lambda) Working knowledge of embedded systems. A minimum of five 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 ❯

/LESS/CSS-in-JS/Tailwind) Experience testing with Jest/React Testing Library Desirable experience with DevOps tools Desirable experience with Websockets Desirable experience with ES6, Styled Components, Material UI Desirable experience with OpenFin Desirable experience in Finance, specifically trading Familiar with Agile Methodology What You Can 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 More ❯

with NET Core , ASP.NET MVC , and building Restful Web Services . Experience with Entity Framework Core , Migrations , and Identity Framework . Knowledge of SignalR , WebSockets , and Protobuf . Experience with databases such as Postgres , SQL Server , or similar. Experience with Docker , Nginx , and deployment to local machines and Linux environments. 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 ❯

Familiarity with Oracle databases or similar enterprise-level database systems is a plus. Proficient in Chinese is a plus. Nice to have Experience with WebSockets and binary communication protocols, enhancing real-time data transfer capabilities. Strong understanding of scaling high-throughput, real-time applications in a cloud-native or distributed 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 ❯

DevTools), memory leaks, UI responsiveness, performance bottlenecks, app profiling. APIs & Data Handling: RESTful APIs, state management (Redux, Zustand, Recoil), offline storage, real-time data (WebSockets, Firebase, SignalR). Testing & Quality Assurance: Unit and integration testing (Jest, React Testing Library), UI testing (Detox/Appium), automated testing pipelines. Deployment & DevOps: CI More ❯

real time trading systems/market data. Experience in working in a regulated financial firm. Experienced in working with multinational global teams. Knowledge about Websockets Archax is an equal opportunities employer and places a high value on diversity and inclusion. We do not discriminate based on any attribute. More ❯

real time trading systems/market data. Experience in working in a regulated financial firm. Experienced in working with multinational global teams. Knowledge about Websockets Archax is an equal opportunities employer and places a high value on diversity and inclusion. We do not discriminate based on any attribute More ❯

snap and bulk content delivery. Technical: A deep hands-on understanding of infrastructure, hosting, cloud, Linux servers, databases, common API technologies and concepts including Websockets, Restful API's, FTP and VPN. Ability to respond positively to pressure and take a flexible approach to the dynamic, fast moving market data field. 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 ❯