1 to 25 of 86 WebSockets Jobs in England

Senior Cloud Engineer

Location
Greater London, England, United Kingdom
services including Lambda, DynamoDB, CloudWatch, and SNS/SQS; infrastructure as code via AWS CDK; IoT protocols including MQTT, HTTP/REST, and WebSockets; Docker for containerization; Git for version control; and AWS CodePipeline or similar for CI/CD. Technical skills, nice to have: Rust and C/C++ ...

Product Engineering - Team Lead

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

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 ...

Senior Front-End Engineer React

Hiring Organisation
Halian Technology Limited
Location
Central London, London, United Kingdom
Employment Type
Permanent
Salary
£90,000
tracking platforms Azure Static Web Apps Azure DevOps CI/CD pipelines Vite performance optimisation and bundle analysis Storybook or other component documentation platforms WebSockets or SignalR Client onboarding platforms KYC/KYB workflows Regulated financial services environments If you don't have industry-specific experience but are an exceptional ...

AI Engineer (Fluent Portuguese & English)

Hiring Organisation
Chubb
Location
London, UK
Employment Type
Full-time
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 ...

AI Engineer (Fluent in Mandarin & English)

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 ...

Front End Engineer

Hiring Organisation
Interactive Brokers
Location
London, UK
Employment Type
Full-time
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 ...

Full stack Engineer - AI

Hiring Organisation
ebury
Location
London, UK
Employment Type
Full-time
proven track record of designing scalable, maintainable systems and clearly articulating architectural trade-offs. API & Integration Skills: Proficiency with REST, streaming (SSE/WebSockets), and the real-world complexities of stitching together messy upstream systems. Data Proficiency: Strong SQL/NoSQL skills, query optimization, and data modeling. Testing & Ownership Mindset ...

Senior Full Stack Engineer (Kotlin + React)

Location
Greater London, England, United Kingdom
based development, and frequent production releases.- Hands-on experience in capital markets, including trade lifecycle and position management.- Experience building real-time applications using WebSockets or streaming technologies.- Ability to contribute to architectural discussions and operate independently in complex production environments. Nice to have - Kafka, Solace, or TIBCO EMS. ...

Frontend Architect - React AI

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 ...

Embedded Software Engineer

Hiring Organisation
Fuse Energy Supply
Location
London, UK
Employment Type
Full-time
ResponsibilitiesConnectivity and networking: develop and maintain connectivity across Ethernet, Wi-Fi, Thread, Zigbee and BLE; build secure, reliable device messaging using MQTT, CoAP, or WebSockets; support device time synchronisation using NTP or PTPDevice security and OTA management: contribute to secure boot flows, key and certificate provisioning and hardware-backed device ...

Full-Stack Engineer (Frontend)

Location
Greater London, England, United Kingdom
care about interfaces that feel considered, not merely functional. Real-time and reactive patterns. Experience with real-time and bi-directional communication protocols (WebSockets, SSE) and managing complex asynchronous state. Full-stack capability. Comfortable going down the stack when features call for it, and confident contributing to API and system ...

Staff Software Engineer - Backend

Hiring Organisation
DataBricks
Location
London, UK
Employment Type
Full-time
network edge that every customer touches. The proxy handles all client connections and transfers every byte of query traffic, serving every data protocol: Postgres, WebSockets, and Data API. We route and manage large volumes of concurrent connections, solving load balancing, authentication, and data access at high throughput. We focus ...

Senior Frontend Engineer

Location
City Of London, England, United Kingdom
source maps. A background in regulated financial services, KYC/KYB or client onboarding. Storybook, or another documented component library. Real-time updates over WebSockets or SignalR. If you've done any of it, say so. If you haven't, we'd rather teach you that than compromise ...

Senior UI Engineer

Hiring Organisation
McGregor Boyall Associates Limited
Location
South East, United Kingdom
Employment Type
Permanent, Work From Home
Integrate AI-powered features via backend APIs. Optimise startup time, memory usage and overall performance. Manage local state and message history efficiently. Work with WebSockets and other real-time technologies. Troubleshoot complex desktop and production issues. What We're Looking For Strong software engineering background. Proven experience building production Electron ...

Frontend Architect - React

Hiring Organisation
HCLTech
Location
City of London, London, 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 Software Engineer - Scientific / HPC

Hiring Organisation
Technical Futures Ltd
Location
Cambridge, Cambridgeshire, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £90,000 per annum
Ansible, OpenTofu). Modern Python tooling and packaging such as uv. Data storage and pipelines, including large simulation results and model serving. API, REST, WebSockets such as FastAPI. Hybrid working available (3 days office/2 WFH), a very generous base salary dependent on your level of skills and experience ...

frontend js/react/typescript in fintech

Location
Greater London, England, United Kingdom
build and bundle work, regulated financial services or KYC/KYB or client onboarding, Storybook or another documented component library, real-time updates over WebSockets or SignalR Must be eligible to work in the UK Условия: 25 Days’ annual leave plus bank holidays An extra day off for your birthday ...

Back-End Engineer, Trading

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 ...

Senior Frontend Engineer (m/f/d)

Location
City Of London, England, United Kingdom
development tools, concepts, and practices. Basic knowledge of backend systems and API integration. Experience with custom web-based rendering engines Familiarity with RESTful APIs, WebSockets, and data visualization tools. Ability to write clean, efficient, and well-documented code. Excellent problem-solving skills and a passion for building user-friendly applications ...

Senior PHP Developer

Hiring Organisation
Ascent Resourcing Limited
Location
Manchester, Lancashire, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £65,000 per annum
Experience with AI classifiers, large language models or machine-learning pipelines. Working with transcription, telephony or other high-volume communications datasets. Event-driven architectures, WebSockets or real-time application functionality. Integrations involving CRM, telephony or property-technology platforms. AWS technologies including S3, RDS, EC2, Lambda, ECS and CloudWatch. Experience working ...

Back-End Engineer, Trading

Hiring Organisation
Blockchain
Location
London, UK
Employment Type
Full-time
NEEDProfessional 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 ...

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

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 ...

UI Developer

Hiring Organisation
McGregor Boyall Associates Limited
Location
South East, United Kingdom
Employment Type
Contract
streams. Drive performance, scalability and modernisation of the UI platform. Key Skills Strong React, TypeScript and RxJS experience. Experience with Redux/Context API, WebSockets and Vite. Knowledge of micro-frontends and modular architecture. Experience with Vitest, Playwright, Storybook or similar. OpenFin experience is advantageous. Financial markets experience, particularly ...

UI Developer

Hiring Organisation
McGregor Boyall
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£700.00 - £800.00 per day
streams. Drive performance, scalability and modernisation of the UI platform. Key Skills Strong React, TypeScript and RxJS experience. Experience with Redux/Context API, WebSockets and Vite. Knowledge of micro-frontends and modular architecture. Experience with Vitest, Playwright, Storybook or similar. OpenFin experience is advantageous. Financial markets experience, particularly ...