1 to 25 of 58 WebSockets Jobs in England

Software Developer | Capital Markets

Hiring Organisation
Jobleads-UK
Location
Nantwich, England, United Kingdom
Technologies/Infra : Docker, Kubernetes, Kafka, Azure, GCP, NoSQL, DNS Design : Serverless, cloud-native/PaaS, event driven, pub/sub, real-time/websockets, architectural design records (ADRs) SDLC : Agentic AI/Context Engineering; CoPilot, Claude, Codex, building custom agents across full SDLC Experience working in a regulated environment ...

Software Developer | Capital Markets

Hiring Organisation
Jobleads-UK
Location
England, United Kingdom
Technologies/Infra : Docker, Kubernetes, Kafka, Azure, GCP, NoSQL, DNS Design : Serverless, cloud-native/PaaS, event driven, pub/sub, real-time/websockets, architectural design records (ADRs) SDLC : Agentic AI/Context Engineering; CoPilot, Claude, Codex, building custom agents across full SDLC Experience working in a regulated environment ...

Engineering Tech Lead Node.js Architect

Hiring Organisation
Purview Consultancy Services Ltd
Location
Sheffield, South Yorkshire, Yorkshire, United Kingdom
Employment Type
Contract
high throughput and low latency. Knowledge of scalability patterns including horizontal scaling, load balancing, and auto-scaling. API & Integration RESTful API design GraphQL gRPC WebSockets OpenAPI/Swagger API versioning strategies Third-party system integrations Databases Experience with both SQL and NoSQL databases: PostgreSQL MySQL MongoDB Redis Elasticsearch Strong understanding ...

C++ Software Developer | Data Infrastructure

Hiring Organisation
Ncounter Limited
Location
E1, Mile End and Globe Town, Greater London, United Kingdom
Employment Type
Permanent
Salary
£160000 - £180000/annum plus Bonus & Package
High-performance microservices Data infrastructure and analytics pipelines Bonus points for SQL Boost ASIO Apache Arrow, Parquet, Protocol Buffers or FlatBuffers gRPC, REST or WebSockets Docker, Kubernetes, AWS or Google Cloud Rust, Python or Q This is an opportunity to solve complex engineering problems in an environment where software performance ...

AI Engineer - Retail (LH)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Typescript, React, Redux, Java Experience with LLM’s including realtime models Experience with Docker, Container Apps, containerised distributed systems, Terraform, Kafka, New Relic, MCP, Websockets Experienced in writing automated tests and maintaining CI/CD pipelines Proven experience of source and version control tools such as GitHub Be experienced working ...

Product Engineering - Team Lead

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
data pipelines using languages such as Node.js, Python, Go, or similar. Solid understanding of end‐to‐end system architecture: APIs, microservices, event‐driven architectures, WebSockets, message queues, databases, and how frontend and backend systems work together in high‐performance environments. Experience with infrastructure and DevOps fundamentals: CI/CD, cloud ...

Product Engineering - Team Lead

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
data pipelines using languages such as Node.js, Python, Go, or similar. Solid understanding of end‐to‐end system architecture: APIs, microservices, event‐driven architectures, WebSockets, message queues, databases, and how frontend and backend systems work together in high‐performance environments. Experience with infrastructure and DevOps fundamentals: CI/CD, cloud ...

AI Engineer (Fluent in Mandarin & English)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
First Token) and maximize throughput. This includes implementing quantization, caching strategies, and efficient batching. Production Engineering: Build and maintain real-time AI pipelines using WebSockets and SSE , ensuring seamless low-latency delivery for voice (ASR/TTS) and text applications. Architecture & MLOps: Deploy and orchestrate models within containerized microservice architectures ...

Lead Software Engineer

Hiring Organisation
Script and Dot Ltd
Location
Portsmouth, Hampshire, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £75,000 per annum
JavaScript HTML, CSS, XML and JSON Windows and Linux development Backend technologies (Node.js, Django or similar) Docker and containerisation TCP/IP networking and WebSockets SQL and database technologies Software debugging and diagnostic tools Cyber security principles Desirable Experience with any of the following would be beneficial: Real-time ...

Frontend Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
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 ...

AI Engineer - Retail (LH)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
call rota as required Experience with LLM’s including realtime models Experience with Docker, Container Apps, containerised distributed systems, Terraform, Kafka, New Relic, MCP, Websockets Experienced in writing automated tests and maintaining CI/CD pipelines Proven experience of source and version control tools such as GitHub Be experienced working ...

Principal AI Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
data infrastructure that directly feeds ML models or AI agent systems Familiarity with prompt engineering, fine-tuning, or AI model optimisation Real-time systems, WebSockets, or live data pipelines Experience with real-time location/proximity data (Bluetooth/RFID/UWB-based systems) Prior experience in a platform/ ...

Frontend Architect - React

Hiring Organisation
HCLTech
Location
London Area, United Kingdom
testing, and deployment. Technical Skills & Expertise- Frontend Technologies: Expert-level proficiency in HTML, CSS, JavaScript, React, and TypeScript Real-Time Communication: Strong understanding of WebSockets, Server-Sent Events (SSE), and REST APIs State Management & Programming: Solid experience with state management libraries (e.g., Redux) and reactive programming paradigms Architecture: Strong understanding ...

Senior Full Stack Engineer

Hiring Organisation
Develop
Location
Central London, London, United Kingdom
Employment Type
Permanent, Work From Home
operate autonomously in a fast-moving environment Highly Desirable Sidekiq and background job processing expertise Stripe or payment platform integrations Event-driven architectures WebSockets/real-time applications AI-assisted development workflows and tooling Experience scaling SaaS platforms Startup or scale-up experience The Ideal Person You'll likely thrive ...

Back-End Engineer, Trading

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Professional experience building backend services, ideally in Kotlin and/or Python. Solid experience designing and building backend services and REST APIs; experience with WebSockets or other real-time streaming protocols such as NATS/JETSREAM is a plus. Working knowledge of SQL and experience integrating with multiple internal ...

Angular Developer

Hiring Organisation
Test Driven Solutions Ltd
Location
Newcastle Upon Tyne, England, United Kingdom
ES6+) good understanding of Front-end Software Development - HTML, CSS, JavaScript, Performance, Responsive Experience with working with RESTful APIs (NoSQL/GraphQL/Websockets a bonus) Familiarity with modern front-end build tools and pipelines Understanding of UI/UX best practices and principles Experience with Front-end testing frameworks ...

Principal Engineer, CoinDesk Data Engineering

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
experience designing, building, and operating complex, large-scale distributed systems. You should have specific experience with both synchronous (e.g. REST APIs) and asynchronous (e.g. WebSockets, message queues like Kafka or RabbitMQ, event streams) communication patterns. Operational Resilience: Experience with High Availability or sophisticated disaster recovery strategies for global, 24/ ...

Principal Engineer, CoinDesk Data Engineering

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
experience designing, building, and operating complex, large‐scale distributed systems. You should have specific experience with both synchronous (e.g. REST APIs) and asynchronous (e.g. WebSockets, message queues like Kafka or RabbitMQ, event streams) communication patterns. Operational Resilience: Experience with High Availability or sophisticated disaster recovery strategies for global, 24/ ...

Real-Time Backend Engineer | Crypto Trading Platform (London)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
time client APIs, collaborating closely with product, frontend, and trading teams. Applicants should have Kotlin or Python backend experience, proficiency with REST APIs and WebSockets, and knowledge of SQL, Docker/Kubernetes, and AWS. #J-18808-Ljbffr ...

Full Stack Developer

Hiring Organisation
SRG
Location
City of London, London, England, United Kingdom
Employment Type
Contractor
Contract Rate
Competitive salary
way. 6+ years' full stack development experience Strong Angular, Strong C# .NET Solid grounding in SOLID principles, clean code and software craftsmanship Experience with WebSockets; Git and Jira; XL Deploy/XL Release a bonus SQL Server and investment banking experience advantageous An agile mindset and genuine care for code ...

Full Stack Engineer

Hiring Organisation
Develop
Location
Central London, London, United Kingdom
Employment Type
Permanent, Work From Home
operate autonomously in a fast-moving environment Highly Desirable Sidekiq and background job processing expertise Stripe or payment platform integrations Event-driven architectures WebSockets/real-time applications AI-assisted development workflows and tooling Experience scaling SaaS platforms Startup or scale-up experience The Ideal Person You'll likely thrive ...

Front End Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
experience is a strong plus A solid grounding in core computer science fundamentals: data structures, algorithms and system design Experience with real-time data (WebSockets, SSE or similar) is a significant advantage in this role Good to have experience with AG Grid, Prime Vue, UI state management systems such asPina ...

Senior Full-Stack Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Redis Understanding of cloud services (AWS, Vercel, or similar) Excellent problem‐solving and communication skills Nice to Have Experience with real‐time systems and WebSockets Knowledge of payment processing (Stripe) Previous experience in ticketing or events industry Contributions to open‐source projects Benefits Competitive salary with equity options. Flexible hybrid ...

Java Development Lead - Front Office Electronic Trading

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
backend software engineers with experience building complex, distributed systems. You'll ideally have experience with: Core Java Spring Framework Event-driven architecture (Kafka, Solace, WebSockets or similar) Distributed systems Domain-Driven Design (DDD) SOLID principles and design patterns Cloud-native development CI/CD and modern engineering practices AI-assisted ...

Backend Engineer

Hiring Organisation
Robert Half Limited
Location
London, United Kingdom
Employment Type
Contract, Work From Home
architectural patterns. The role combines hands-on ownership of backend services with architectural leadership responsibilities. Elixir and the Phoenix framework GraphQL PostgreSQL Redis WebSockets and Phoenix Channels for real-time communication Message-driven architectures and asynchronous processing patterns Cloud-native infrastructure supporting globally distributed workloads You may interact with services ...