1 to 25 of 30 Permanent WebSockets Jobs in the South East

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 ...

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 ...

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. ...

/CD, Docker, and modern build systems. Desirable Experience with performance profiling and frontend observability tools. Familiarity with GraphQL and real-time data (WebSockets, SSE). If you have any further questions on the role, please feel free to reach out to Brendan McCrory directly. ...

/CD, Docker, and modern build systems. Desirable Experience with performance profiling and frontend observability tools. Familiarity with GraphQL and real-time data (WebSockets, SSE). If you have any further questions on the role, please feel free to reach out to Brendan McCrory directly. ...

/CD, Docker, and modern build systems. Desirable Experience with performance profiling and frontend observability tools. Familiarity with GraphQL and real-time data (WebSockets, SSE). If you have any further questions on the role, please feel free to reach out to Brendan McCrory directly. ...

/CD, Docker, and modern build systems. Desirable Experience with performance profiling and frontend observability tools. Familiarity with GraphQL and real-time data (WebSockets, SSE). If you have any further questions on the role, please feel free to reach out to Brendan McCrory directly. ...

/CD, Docker, and modern build systems. Desirable Experience with performance profiling and frontend observability tools. Familiarity with GraphQL and real-time data (WebSockets, SSE). If you have any further questions on the role, please feel free to reach out to Brendan McCrory directly. ...

delivering front-end applications in electronic trading environments Strong understanding of performance optimisation and low-latency UI design Experience with real-time data technologies (WebSockets, FIX, etc.) Familiarity with containerized front-end platforms such as OpenFin is a plus Prior exposure to Fixed Income products (Rates, Credit, Bonds) or other ...

seriously — every single day Tech Stack Languages: TypeScript, JavaScript (ES6+) Frameworks: React, Redux (or similar state management) Tooling: Webpack, Babel, Jest, ESLint, Git Bonus: WebSockets, performance profiling, custom charting (D3.js, Highcharts) What They're Looking For Deep expertise with React and modern TypeScript/JavaScript Strong architectural thinking, performance tuning ...

Computer Science or equivalent experience. Bonus points for: Open source contributions to front-end tooling, design systems, or data-visualisation libraries. Experience with WebSockets, PWAs, offline support, or design-token pipelines. How They Work Speed with craftsmanship: Continuous delivery, short feedback loops, and peer review excellence. Performance first: Time ...

Senior React Engineer - £700 - £800 p/day – On-site (Central London) Overview We are hiring a Senior React Engineer to join a high-performance technology team within a leading financial services organisation operating in ...

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 ...

Support & DevOps Engineer A global fintech are seeking a proactive and technically adept Support & DevOps Engineer to maintain and enhance our production trading environment. This unique hybrid role blends BAU support responsibilities with advanced DevOps ...

Position: Front End JavaScript Developer Reports to: Front End Development Team Lead Hours: 40 hours Location: 3 days in North London office (Monday – Wednesday) Salary: £60 - £80,000 + eligibility for performance bonus Start date ...

Position: Front End JavaScript Developer Reports to: Front End Development Team Lead Hours: 40 hours Location: 3 days in North London office (Monday – Wednesday) Salary: £60 - £80,000 + eligibility for performance bonus Start date ...

Position: Front End JavaScript Developer Reports to: Front End Development Team Lead Hours: 40 hours Location: 3 days in North London office (Monday – Wednesday) Salary: £60 - £80,000 + eligibility for performance bonus Start date ...

Position: Front End JavaScript Developer Reports to: Front End Development Team Lead Hours: 40 hours Location: 3 days in North London office (Monday – Wednesday) Salary: £60 - £80,000 + eligibility for performance bonus Start date ...

cloud software for charger connectivity and monitoring Create telemetry and data pipelines (PLC, CAN) Enable secure remote control and bi-directional communication (MQTT/WebSockets) Deliver OTA firmware updates and REST APIs (OCPP/OCPI) Develop secure, scalable cloud infrastructure (AWS IoT, Azure, etc.) Collaborate closely with hardware … cloud integration or embedded systems Strong skills in PLC, CAN, Modbus or similar protocols Proficiency in API and cloud development (AWS/Azure, MQTT, WebSockets) Knowledge of secure firmware updates and encryption (TLS, AES) Comfortable working autonomously in a fast-moving start-up environment Background in EV charging, energy storage ...

We are working with a pioneering financial technology firm that is building a global institution for digital assets, designed from the ground up for market integrity and efficiency. Their disciplined, first-principles approach underpins everything ...

Cloud Engineer Remote – Candidate must be UK based £75,000 + bonus AWS, Kubernetes, WebRTC, SIP, GraphQA, Pulumi My client are a leading property security business, who are operating on a national and international scale. ...

Cloud Engineer Remote – Candidate must be UK based £75,000 + bonus AWS, Kubernetes, WebRTC, SIP, GraphQA, Pulumi My client are a leading property security business, who are operating on a national and international scale. ...

Cloud Engineer Remote – Candidate must be UK based £75,000 + bonus AWS, Kubernetes, WebRTC, SIP, GraphQA, Pulumi My client are a leading property security business, who are operating on a national and international scale. ...

Cloud Engineer Remote – Candidate must be UK based £75,000 + bonus AWS, Kubernetes, WebRTC, SIP, GraphQA, Pulumi My client are a leading property security business, who are operating on a national and international scale. ...

Cloud Engineer Remote – Candidate must be UK based £75,000 + bonus AWS, Kubernetes, WebRTC, SIP, GraphQA, Pulumi My client are a leading property security business, who are operating on a national and international scale. ...