1 to 25 of 88 Remote Permanent WebSockets Jobs in England

Job Role: Product Engineer (backend C# .net core) Reference: BH-355p Job Type: Permanent Location: Hybrid, West Hampstead, London (2 days/week in-office) Salary: up to £75-£85k per annum About The Client: Our client builds AI-driven More ❯

The Original Bitcoin Exchange Inspired by Bitcoin's vision of financial freedom, we are committed to empowering individuals to transact and connect seamlessly across the globe. From the early days of the Bitcoin revolution, our mission has been to champion More ❯

support the platform’s bilingual 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 regulations. #J-18808-Ljbffr More ❯

. Arabic language skills to support bilingual platform capabilities. Experience with AI/ML integrations or recommendation systems. Expertise in Matrix/Synapse for real-time messaging. Knowledge of WebSockets, event-driven architectures, and real-time communication. Background in platform monetization and payment integration. Familiarity with access control, authentication (OAuth, JWT), and data privacy regulations. #J-18808-Ljbffr More ❯

support the platform’s bilingual 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 monetization and payment integration. Strong familiarity with access control, authentication (OAuth, JWT), and data privacy regulations. #J-18808-Ljbffr More ❯

support the platform’s bilingual 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 regulations. #J-18808-Ljbffr More ❯

Git, Docker. Arabic language skills for bilingual platform support. Experience with AI/ML integrations or recommendation systems. Expertise in Matrix/Synapse for real-time communication. Knowledge of WebSockets, event-driven architectures. Background in monetization and payment systems. Understanding of access control, OAuth, JWT, and data privacy regulations. #J-18808-Ljbffr More ❯

development. Arabic language skills for platform's bilingual capabilities. Experience with AI/ML integrations or recommendation systems. Expertise in Matrix/Synapse for real-time messaging. Knowledge of WebSockets, event-driven architectures, and real-time communication. Background in platform monetization and payment systems. Understanding of access control, OAuth, JWT, and data privacy regulations. #J-18808-Ljbffr More ❯

Docker. Arabic language skills for platform’s bilingual capabilities. Experience with AI/ML integrations or recommendation systems. Expertise in Matrix/Synapse for real-time messaging. Knowledge of WebSockets, event-driven architectures. Background in monetisation and payment integration. Understanding of access control, authentication, and data privacy regulations. #J-18808-Ljbffr More ❯

environments Design and implement modular, event-driven architectures (e.g., Lambda + SQS/SNS + Step Functions) to enable scalable agent workflows Develop and manage API layers (REST, GraphQL, WebSockets) to orchestrate intelligent interactions between agents, models and services Lead implementation of full-stack interfaces and services using Node.js, TypeScript, React.js, Express, Next.js Integrate ML models and embeddings into production More ❯

environments Design and implement modular, event-driven architectures (e.g., Lambda + SQS/SNS + Step Functions) to enable scalable agent workflows Develop and manage API layers (REST, GraphQL, WebSockets) to orchestrate intelligent interactions between agents, models and services Lead implementation of full-stack interfaces and services using Node.js, TypeScript, React.js, Express, Next.js Integrate ML models and embeddings into production More ❯

maintainable Next Js and Typescript code. Implement data visualisation components and interactive features for displaying complex datasets. Integrate video streaming capabilities and leverage webRTC for real-time communication. Utilise websockets for efficient and seamless real-time data exchange. Integrate external APIs to fetch and display dynamic content within the frontend applications. Ensure code quality through code reviews, testing, and debugging. … A technical understanding of the challenges and principals involved in developing mobile-first web applications. Understanding of real-time client-server communication and video streaming using tools such as websockets or webRTC Knowledge of API integration and working with RESTful APIs. Confidence in component composition, project structure and code quality reflecting industry standards such as DRY, SRP, SOLID. Strong problem More ❯

and designing clean data models (SQL/NoSQL) Bonus Points For: Familiarity with AI/LLM tools (LangChain, Vercel AI SDK, OpenAI APIs) Experience building real-time apps (e.g., WebSockets) Understanding of authentication/authorization flows in web apps Knowledge of financial services, fintech, or enterprise-grade products This is a rare opportunity for a Senior Full Stack Engineer to More ❯

and designing clean data models (SQL/NoSQL) Bonus Points For: Familiarity with AI/LLM tools (LangChain, Vercel AI SDK, OpenAI APIs) Experience building real-time apps (e.g., WebSockets) Understanding of authentication/authorization flows in web apps Knowledge of financial services, fintech, or enterprise-grade products This is a rare opportunity for a Senior Full Stack Engineer to More ❯

ll need: 5+ years' backend development experience (games industry ) Strong coding skills in C++, C#, Go, or Node.js (C C# ideal) Deep understanding of distributed systems, real-time networking (WebSockets, RPCs, REST, gRPC) Experience with cloud platforms (AWS, Azure, or GCP) Familiarity with matchmaking, player sessions, anti-cheat systems Database experience across SQL and NoSQL (PostgreSQL, Redis, MongoDB) Hands-on … being handled by Langham Recruitment Ltd. Langham Recruitment Ltd acts as an employment agency and is registered in England and Wales (reg 11525223). Keywords: C++, C#, Go, Node.js, WebSockets, RPCs, REST, gRPC, AWS, Azure, GCP, PostgreSQL, Redis, MongoDB, PlayFab, AccelByte, Nakama #J-18808-Ljbffr More ❯

Responsibilities for the Founding iOS Tech Lead, SwiftUI | HealthTech, AI, Greenfield Start-up | Shoreditch, Hybrid | Up to £110,000 + Stocks & Benefits APIs & Communication: Strong understanding of REST, GraphQL, WebSockets, and API design best practices Ideally Fullstack TypeScript Engineer (across frontend and backend) Proven experience as a senior software engineer or tech lead, ideally in an early stage startup environment More ❯

need: 5+ years' backend development experience (games industry preferred) Strong coding skills in C++, C#, Go, or Node.js (C C# ideal) Deep understanding of distributed systems, real-time networking (WebSockets, RPCs, REST, gRPC) Experience with cloud platforms (AWS, Azure, or GCP) Familiarity with matchmaking, player sessions, anti-cheat systems Database experience across SQL and NoSQL (PostgreSQL, Redis, MongoDB) Hands-on More ❯

building and shipping cross-platform apps for both iOS and Android Familiarity with React Navigation, Redux Toolkit, MobX, or other state management libraries Experience integrating with RESTful APIs and WebSockets Proficiency with mobile testing frameworks (e.g., Detox, Jest, React Native Testing Library) Experience working with native modules or bridging native code (iOS/Android) when needed Understanding of mobile UX More ❯

Python Technical Architect - Python, Django, Flask, Microservices, Rest API, Cloud, CI/CD, Databases, FastAPI I am working with a leading global consultancy who is looking for a Python Technical Architect to join a dynamic team delivering solutions for major More ❯

and alternatives Requirements 10+ years of experience in web development Experience with both frontend (React) and backend development, including API design (REST, GraphQL) Familiarity with real-time communication protocols (WebSockets, gRPC) and complex state management solutions Strong understanding of design principles and accessibility guidelines (WCAG) Excellent problem-solving skills and a proactive approach to addressing challenges A keen eye for More ❯

class security solutions Requirements 5+ years as a Node.js/JavaScript developer, ideally, with background in monitoring & supporting large scale production systems Deep understanding of REST API design and WebSockets Familiar with cloud services such as AWS and GCP Experience in large-scaled distributed environments Good command of Linux environment Clear, logical communicator in English Optional Familiar with tools such More ❯

We are seeking a highly skilled and motivated server side application developer to play a key role on a greenfield multiyear transformation program aimed at modernizing and scaling the electronic FX Options Trading Business Responsibilities: Contribute to the design and More ❯

Social network you want to login/join with: Senior Pricing Services Developer (C#) FX Options Pricing – London (VP), London col-narrow-left Client: 11037 Citibank, N.A. United Kingdom Location: London, United Kingdom Job Category: Other - EU work permit required More ❯

Social network you want to login/join with: Crypto’s here to stay. That’s one thing my client is sure of. But what its future looks like—that’s something they need you to create. Looking for the More ❯

strong full stack engineer, proficient in TypeScript or JavaScript and Python. You have experience building high-performance, responsive web applications, and a deep understanding of HTTP protocols, REST APIs, WebSockets, and the DOM. You are comfortable operating across the stack, with strong knowledge of relational databases, web security best practices, and authentication. You have experience architecting distributed systems and deploying More ❯