51 to 75 of 82 WebSockets Jobs in London

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 ...

Python Software Engineer - Trading Systems Moon Intelligence | Hybrid/Remote | Full-time About Us Moon Intelligence is a technology company specialising in software and quantitative models for the sports betting and prediction markets industry. We ...

You are pioneering and innovative and want to be part of the cutting-edge and disruptive crypto-currency world You enjoy end-to-end application development from requirement collection to production support You are eager ...

Overview Fuse Energy is a forward-thinking renewable energy startup on a mission to deliver a terawatt of renewable energy quickly. We are building an integrated energy system spanning solar, wind, hydrogen projects, real-time ...

Why You Should Be A Front End Developer Here: A culture of collaboration and innovation, where your contributions can truly shape their products and services Career advancement and personal development Collaborate with a diverse global ...

Validus is looking for a talented engineer to join our front-end development team. The front-end team is responsible for the design and development of our web applications implemented in React. The front-end ...

Top Tier Investment Bank requires an experienced senior WPF C Sharp .Net developer to lead on the direction and delivery of a low latency, high through put etrading UI platform. Responsibilities Software engineering experience in ...

part of a fast-paced, innovative team building web-based gaming applications. You’ll work with technologies such as TypeScript, React, Redux, Zustand, WebSockets, and Vite, contributing to a modular and scalable front-end architecture. We’re looking for someone with a proactive mindset, who values clean code, collaboration … control systems like Git. Understanding of programming best practices (e.g., DRY, KISS, SOLID). Experience working in Agile environments. Bonus points for Experience with WebSockets or real-time data streams. Exposure to gaming or interactive applications. Familiarity with micro frontends or private npm libraries #J-18808-Ljbffr ...

We're looking for a Senior C++ Engineer to join our team in London, United Kingdom in a hybrid working mode. You will be part of a high-performing team developing a global derivatives algorithmic ...

Location: London; UKWork type: HybridSeniority: SeniorPrimary skill: C++Posted: 2026-10-06We're looking for a Senior C++ Engineer to join our team in London, United Kingdom in a hybrid working mode. You will be ...

Senior Software Engineer, C++ , Core Platform London Flow Traders is looking for Senior C++ Software Engineers to join our growing team in Amsterdam. Software Engineers at Flow Traders provide us with our competitive edge, equipping ...

About us Humaans is building the next generation of infrastructure for the workplace; software designed for companies that are scaling fast, operating globally, and pushing into new boundaries. What started as a system of record ...

Build and maintain high-performance iOS and Android apps that help millions of people take control of their health. Job Description As a Mobile App Developer at ZOLLARO, you will be at the heart of ...

Flow Traders is looking for Senior C++ Software Engineers to join our growing team in Amsterdam. Software Engineers at Flow Traders provide us with our competitive edge, equipping Researchers and Traders with the information and ...

Company OverviewAt Motorola Solutions, we believe that everything starts with our people. We’re a global close-knit community, united by the relentless pursuit to help keep people safer everywhere. We build and connect technologies ...

We are looking for a Full-Stack Engineer to build the Eigent desktop and web application. You will own the front-end architecture of our AI agent platform — a React/Electron app that lets ...

Responsibilities Own the roadmap, prioritization and delivery of Talos’s connectivity capabilities, balancing new integrations, client requirements and improvements to existing connections. Expand connectivity into new and emerging markets, including prediction markets and tokenized assets ...

Our platform is the video platform built for live, social and mobile. The cloud-based platform removes the traditional complexities of professional video production and distribution. Our platform works with the world’s largest broadcasters ...

About Flowdesk At Flowdesk, we are building the infrastructure powering the next era of global finance. As a full-service digital asset trading and technology firm, we provide liquidity solutions, OTC trading, and market infrastructure ...

Fanatics is building a leading global digital sports platform. We ignite the passions of global sports fans and maximize the presence and reach for our hundreds of sports partners globally by offering products and services ...

Company Overview At Motorola Solutions, we believe that everything starts with our people. We’re a global close-knit community, united by the relentless pursuit to help keep people safer everywhere. We build and connect ...

Blockchain.com in London is seeking a Back-End Engineer, Trading to design, build and operate core backend systems for order management, market data, and trade lifecycles. You will implement REST APIs and WebSocket streams, focusing ...

Senior Frontend Architect (React/Next.js) About the Role Lead the frontend architecture of our global SaaS web apps and enterprise dashboards. Drive high-performance rendering, design system component libraries, and glassmorphic UI state management. ...

We are seeking a talented and driven Lead Front-End Developer/Designer to join our core, cross functional team within our fast growing and dynamic software company.We are continuing to grow and are looking ...

ENGINEERING CONTRACT APR 15, 2026 Soulbound, a cutting-edge indie game studio based in London, building a cross-platform MMORPG with pixel art aesthetics and browser-based access. We've built infrastructure for a single ...