26 to 50 of 68 WebSockets Jobs in the UK

Make key architectural decisions around LLM integration: prompt design, caching strategies, cost management, and evaluation approaches. Build real‐time communication layers (Server‐Sent Events, WebSockets, HTTP/2 streaming) to power agent‐to‐frontend and agent‐to‐agent interactions. Contribute to the wider code base roadmap. Our product is great ...

We are seeking a Senior Full Stack & Systems Engineer to join our Defence delivery team. This is a versatile, high-impact role designed for funded client delivery: you will build mission-critical web applications and ...

22 Jun 2026 London, LND, GB, EC2M 2AT SMBC A trusted partner for the long term Here at SMBC Group, we want to help you find the next step in your career so read on ...

strategies.Good understanding of common low-level vulnerabilities (e.g. use-after-free and buffer overflows)and common mitigations.Good understanding of networking and web technologies (e.g. WebSockets, TCP/IP, UDP) and security controls relevant to them.Familiarity with Windows and Linux operating systems fundamentals.Familiarity with the software development lifecycle (SDLC) and working ...

Senior Software Engineer, Mobile Cloud – Manchester, United Kingdom Teamwork makes the stream work. Roku is changing how the world watches TV Roku is the #1 TV streaming platform in the U.S., Canada, and Mexico, and ...

About Us:LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a dedication to excellence in delivering the services our ...

Developer in London to join a trading technology team. You will build high‐performance, real‐time dashboards and visualisations for traders, integrating data via WebSockets and APIs. Key responsibilities include crafting interactive UI with React, optimising performance, and collaborating with traders, analysts and back-end engineers to deliver new features. ...

modern CSS frameworks, ideally Tailwind CSS Desirable Experience * mTLS and X.509 certificate management * HashiCorp Vault, Consul or Terraform * InfluxDB * Server-Sent Events (SSE) and WebSockets * Networking or embedded systems exposure * Data visualisation tools such as Recharts or D3 * Distributed systems and scalable architectures Additional Requirements * Must be eligible and willing … this role. Keywords: Go, Golang, Gin, REST API, PostgreSQL, GORM, Docker, React, JavaScript, ES6, Axios, Tailwind CSS, JWT, mTLS, X.509, Terraform, Vault, Consul, InfluxDB, WebSockets, SSE, CI/CD, Microservices, Cloud Native, Distributed Systems, Secure Communications, Full Stack Developer, Backend Engineer, Remote Software Engineer, Platform Engineering. ...

## Engineer C# (Full Stack)Applylocations: Londontime type: Full timeposted on: Posted Todayjob requisition id: R5595**Group Overview**The TP ICAP Group is a world leading provider of market infrastructure.Our purpose is to provide clients ...

Discover your future at the company Working at the company is far more than just a job. A career with us means joining a team of approximately 219,000 dedicated people from around the globe. ...

## FX Client Platforms - Senior UI Software Engineer (Vice President)Applyremote type: Hybridlocations: London United Kingdomtime type: Full timeposted on: Posted Todayjob requisition id: 26984109**FX Client Platforms - Senior UI Software Engineer (Vice President)****About ...

About aion Aion is the enterprise AI platform, a full-stack solution for building, fine-tuning, and deploying AI at scale. Whether an organization is modernizing internal operations, launching AI-powered products, or transforming customer ...

Behind every investment is a person with ambitions, motivations and values. While we know that every client is unique, they come to J.P. Morgan Personal Investing for the same reason: our straightforward and transparent approach ...

Group OverviewThe TP ICAP Group is a world leading provider of market infrastructure.Our purpose is to provide clients with access to global financial and commodities markets, improving price discovery, liquidity, and distribution of data, through ...

Behind every investment is a person with ambitions, motivations and values. While we know that every client is unique, they come to J.P. Morgan Personal Investing for the same reason: our straightforward and transparent approach ...

Real Time applications using Next.js, React and TypeScript. Build complex, data-driven interfaces using Web Components and AG Grid. Implement Real Time communication using WebSockets or SignalR. Develop RESTful APIs and microservices using C#, .NET 8 and Python. Build distributed systems using RabbitMQ and Redis. Work with SQL Server … DevOps and GitHub. Essential Experience Next.js, React, TypeScript, Web Components and AG Grid. Front End trading application development. Real Time sales and trader workflows. WebSockets or SignalR. C#, .NET 8, Python, RESTful APIs and microservices. RabbitMQ and Redis. SQL Server or AWS RDS, plus MongoDB or another NoSQL database. Azure ...

Build interactive dashboards, charting solutions and data visualisations. Integrate and customise charting libraries, including TradingView where appropriate. Consume and display live market data via WebSockets and APIs. Work closely with traders, quantitative analysts and back-end engineers to deliver new functionality. Optimise front-end applications for performance, scalability and responsiveness. … applications and user interfaces. Experience developing real-time, data-driven applications. Experience building market data visualisation tools, dashboards or charting applications. Strong understanding of WebSockets, APIs and live data streaming. Solid knowledge of HTML5, CSS3 and modern front-end architecture. Experience optimising front-end performance for data-intensive applications. Experience ...

delivery plans. Own the front end architecture (React + TypeScript + RxJS), including state management, observables, and data flow design for live market data (WebSockets/Server Sent Events). Design and implement modular, testable, and reusable components and design system primitives aligned to accessibility (WCAG 2.1 AA+). Drive … . What we are looking for Solid years building web applications with TypeScript and React; 3+ years in a senior/lead role. WebSockets, Server-Sent Events, WebRTC or other high performance bidirectional data streaming experience. GraphQL, Protobuf, Flatbuffers or other schema-driven API design tools. Strong RxJS (or equivalent ...

## Principal Software Engineer - C#Applylocations: Londontime type: Full timeposted on: Posted Todayjob requisition id: R5616The TP ICAP Group is a world leading provider of market infrastructure.Our purpose is to provide clients with access to global ...

we make it easy for developers and AIs to build on health data. hundreds of wearables, sensors, labs, and health apps — connected, normalized, and made intelligent through a single platform. 1,000s of developers and ...

Role Overview ICRV are seeking an exceptional Principal Engineer to own the architecture, design and hands‐on delivery of a desktop platform automating and streamlining trading desk workflows. This is a high‐visibility player‐coach ...

The TP ICAP Group is a world leading provider of market infrastructure.Our purpose is to provide clients with access to global financial and commodities markets, improving price discovery, liquidity, and distribution of data, through responsible ...

Introduction Saab UK is part of Scandinavia's largest defence company, bringing together the best of Swedish and British innovation. Saab offers world-leading solutions and services in defence, aviation, space, and civil security to ...

5 Days Onsite. Required Skills BS/MS degree in Computer Science, related technical field, or equivalent with 8+ years of industry experience 5+ years hands-on experience with Envoy Proxy (xDS/ADS, ext ...

Front End Developer - FinTech - Newcastle (Tech stack: Front End Developer, React, TypeScript, Websockets, SignalR, Containers, Orchestration, UX, Usability, Programmer, Developer, Architect, Front End Developer) Our client is a cutting-edge FinTech company with a reputation for innovation and excellence. They design and build advanced trading and analytics platforms used globally … Science (essential). Strong recent experience with modern front-end frameworks, particularly React, alongside TypeScript. Background working with real-time communication tools such as Websockets or SignalR. Familiarity with containerisation and orchestration platforms. A genuine enthusiasm for creating clean, usable, and engaging interfaces. The confidence to collaborate across different teams ...