12 of 12 Permanent WebSockets Jobs in Berkshire

Javascript, Typescript, HTML, and CSS Extensive experience with modern web frameworks and patterns (eg. React, Next.js, Tailwind) Experience with real-time and bi-directional communication protocols and patterns (eg. WebSockets, SSE) Built and deployed services on any major cloud providers' services (Azure, GCP, AWS) AI-Native development: fast iteration & prototyping using AI tools such as Lovable, Bolt, or Cursor as More ❯

backend (Python/Java/Go) Worked with a variety of storage technologies (eg. Postgres, Mongo, Redis, Object) Experience with async and bi-directional communication protocols and patterns (eg. WebSockets, SSE) Designed and implemented event-driven distributed systems (eg. Kafka/Pulsar, RabbitMQ, MQTT, or similar) Experience with container orchestration and service containerisation (Kubernetes, Docker) Built and deployed services on More ❯

/Java/Go + React) Worked with a variety of storage technologies (eg. Postgres, Mongo, Redis, Object) Experience with async and bi-directional communication protocols and patterns (eg. WebSockets, SSE) Designed and implemented event-driven distributed systems (eg. Kafka/Pulsar, RabbitMQ, MQTT, or similar) Experience with container orchestration and service containerisation (Kubernetes, Docker) Built and deployed services on More ❯

Android or iOS) with 3+ years of commercial experience Expert in Flutter architecture, state management, widget testing, and store deployment workflows Experience with REST APIs, real-time communication (e.g., WebSockets), and microservices integration Strong cloud infrastructure knowledge—Firebase and AWS Solid understanding of relational and NoSQL databases Proficient in TDD (and familiar with BDD) within Flutter environments Experienced with tools More ❯

Proficiency in Rust and Python. C++ is a bonus. Proficiency in Unix based systems. Experience withcloud-based platforms (e.g. AWS). Experience with real-time data messaging (e.g. Redis, websockets). Experience with deployment and monitoring tools, e.g. supervisor, dockers, Grafana, Nagios, etc. Excellent problem-solving skills and attention to detail. Preferred/Desirable Experience Experience in the finance or More ❯

Express.js. ● Design, implement, and optimize SQL (PostgreSQL) and NoSQL (MongoDB) databases. ● Utilize Prisma ORM for efficient database interactions. ● Develop and optimize RESTful APIs and GraphQL APIs (Apollo). ● Implement WebSockets for real-time communication. ● Ensure API security using JWT, OAuth, and other authentication mechanisms. ● Perform unit testing with Jest or Mocha and API testing with Postman. ● Implement caching and messaging … Core Backend Technologies: ● Node.js with TypeScript ● Frameworks: Nest.js, Express.js Databases: ● SQL: PostgreSQL ● NoSQL: MongoDB ● ORM: Prisma ● Caching & Messaging: Redis (Pub/Sub) API Development: ● RESTful APIs ● GraphQL APIs (Apollo) ● WebSockets Security & Authentication: ● API security best practices ● Authentication systems: JWT, OAuth Testing & Debugging: ● Unit testing: Jest, Mocha ● API testing: Postman Cloud & DevOps: ● Cloud Platforms: AWS, GCP, Azure ● CI/CD Pipelines More ❯

/5+ years commercial experience with Flutter 1/2+ years leading technical teams of 3-5 Deep Flutter expertise: architecture, state management, testing, deployment Solid backend integration (REST, WebSockets, microservices) Experience with Firebase, AWS, and CI/CD pipelines This role can offer up to £100,000, requires 4-days per week onsite in central London, and is made More ❯

where engineering excellence and code quality are non-negotiable 🛠️ Tech Stack: Languages: TypeScript, JavaScript (ES6+) Frameworks: React, Redux (or similar) Tooling: Webpack, Babel, Jest, ESLint, Git Bonus: Experience with WebSockets, performance profiling, or custom charting libraries (e.g., D3.js, Highcharts) ✅ What They’re Looking For: Strong experience with React and modern JavaScript/TypeScript Deep understanding of front-end architecture, performance More ❯

define and evolve a robust mobile architecture using modern patterns Work closely with design & product to ship polished, scalable user interactions Essential Qualifications: Experience with real-time protocols (eg. WebSockets gRPC, MQTT, SSE or similar) Experience with implementing on-device machine learning (eg. PyTorch Mobile, ML Kit, TensorFlow Lite) Strong understanding of Android performance: lifecycle, coroutines, memory, and threading Familiarity More ❯

of manufacturing, whilst also making internal tools/demos for showcasing and testing our AI. You’ll juggle back and forth between proper engineering around efficiency of WebRTC and WebSockets, to creating new user experiences and interfaces for AI visualisations and data, and prototyping designs faster than our CTO can make cups of tea for the team (btw the whole … can craft experiences. You are rapid at prototyping in tools like Figma or even sketches and turning ideas into stunning, intuitive designs. All the usual things like RESTful APIs, WebSockets, WebRTC, and real-time data pipelines plus CI/CD are chill. You’ve led web projects from start to finish, overcoming hurdles and shipping brilliant products (in startups? even More ❯

Our client is a leading market making, high frequency trading, and multi-stage Web3 venture investment firm. They are now looking for a Senior and a Junior Rust Developer to be based in London. As a Rust Developer, you will More ❯

Senior Software Engineer (Rust) - London - Permanent - £150,000 to £180,000 La Fosse have partnered with a cutting-edge digital trading firm (crypto & proprietary) who are building out their nascent London office . This is a rare opportunity to join More ❯