1 to 25 of 42 Remote/Hybrid WebSockets Jobs in the UK

Senior Software Engineer JBLE1 NI

Hiring Organisation
VANRATH
Location
Belfast, UK
experience with: TypeScript, JavaScript, React and modern front-end technologies Backend development using TypeScript, Java, C# or a similar OOP language REST, GraphQL and WebSockets AWS and cloud-based technologies Microservices and event-driven architecture SQL and NoSQL databases Automated unit, integration and E2E testing Terraform and containerisation CI/ ...

Senior Full-Stack Developer (Bath Area)

Location
Bath, England, United Kingdom
Good understanding of cloud deployment Strong understanding and proven experience working with browsers and web APIs including HTML Canvas, Drag and Drop, SSE, WebSockets, etc. Effective communication skills through written reports and presentations. Ability to version control code using tools such as Git, GitHub and Azure DevOps in a collaborative ...

Senior Front-End Developer (React, TypeScript) - VP, FX Options Pricing

Location
Greater London, England, United Kingdom
Vue.js would also be considered). Inter-Application Communication: Solid understanding of building applications that handle real-time data, using technologies like REST APIs, WebSockets, or middleware (e.g., Solace, Kafka, TIBCO). Engineering Excellence: Proficiency in modern software engineering practices, including CI/CD, automated testing, application resiliency, performance profiling ...

Senior Full Stack Engineer

Location
Belfast City District, Northern Ireland, United Kingdom
beneficial: TypeScript, JavaScript, React and modern front-end frameworks Backend development using TypeScript, Java, C# or another object-oriented language REST APIs, GraphQL and WebSockets AWS and modern cloud platforms Microservices and event-driven architectures SQL and NoSQL databases Unit, integration and end-to-end testing Terraform and containerisation technologies ...

Full Stack Software Engineer JBLE1 NI

Hiring Organisation
Ocho
Location
Belfast, UK
TypeScript and/or another OOP language such as C# or Java Strong SQL and NoSQL database knowledge REST and GraphQL APIs, and WebSockets Microservices architecture and containerisation AWS ecosystem including Lambda, Fargate, API Gateway and AppSync Terraform and CI/CD within an enterprise environment Automated testing including unit ...

Software Engineer

Location
Nottingham, England, United Kingdom
testing. Experience building desktop or mobile apps using web technologies (we use Electron and Capacitor ). Experience with real‐time UI features (e.g. SignalR, WebSockets). Full‐stack capability or backend experience with C#/.NET (or similar) and basic SQL/Azure knowledge. Experience working with design systems ...

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 Developer

Location
United Kingdom
secure & robust applications in enterprise environments (Oauth2.0, credential and identity management Navigate delivery of live + timeseries based data analysis pipelines alongside integration with WebSockets and messaging Knowledge of Python, FastAPI and UV-based package management Good experience of git and trunk-based workflow management Degree in engineering, mathematics, physical ...

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 ...

IT Software Engineer Developer

Location
Wolverhampton, England, United Kingdom
platforms (App Services, databases, CI/CD pipelines). Experience with RESTful API design in C#/.NET. Exposure to real-time technologies (e.g., WebSockets/Socket.io). About Us GSF Car Parts is one of the UK’s leading automotive parts distributors, supplying thousands of independent garages throughout ...

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 ...

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 Software Engineer | Voice | Full-Stack

Location
Greater London, England, United Kingdom
comfortable prototyping a feature in the morning and refactoring it for scale in the afternoon. Depth in real time systems. Real experience with WebRTC, WebSockets, streaming architectures or latency sensitive systems in production, and a working understanding of where the time actually goes. Full stack fluency with real range. React ...

Director Data & Analytics API Experience - Data Services

Location
Belfast, Northern Ireland, United Kingdom
Python, with the ability to write clean, idiomatic, and robust code for public consumption.**Technical Stack*** Environment: Google Cloud Platform (GCP), Apigee.* Protocols: WebSockets, REST, GCS.* Tooling: Python (Expert), OAuth 2.0, GitHub, Protobuf/Avro, SQL.**Company Benefits:*** Bonus Programme* Equity Programme* Employee Stock Purchase Plan (ESPP)* Private Medical ...

Front End Engineer

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

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 ...

Frontend Developer (Vue.js & React)

Location
Greater London, England, United Kingdom
into user interfaces Ability to use development tools effectively Nice to Have Experience with Inertia.js or Livewire Knowledge of Next.js or Nuxt.js Experience with WebSockets and real-time applications Understanding of web accessibility (WCAG) standards Experience with testing frameworks (Jest, Vitest, Cypress) Familiarity with UI/UX design principles Experience ...

Full Stack Platform Engineer

Hiring Organisation
Hackajob Ltd
Location
Wallingford, Oxfordshire, South East, United Kingdom
Employment Type
Permanent
TypeScript interfaces that make large volumes of telemetry and scan data legible and fast to work with. Real-time data systems: work with WebRTC, WebSockets, gRPC and Zenoh to move live telemetry and video from robot to browser. Backend proficiency: hands-on experience building backend services ...

Senior Software Engineer

Hiring Organisation
Hackajob Ltd
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
We are seeking a Senior Full Stack & Systems Engineer to join our Defence delivery team. This is a versatile, high-impact role designed for funded client delivery: you will build mission-critical web applications and ...

Android Developer

Location
Dundee, Scotland, United Kingdom
including good disposal discipline. Shipped a hardware integration using a vendor SDK, AIDL service, Bluetooth device or partner‐app Intent. Shipped realtime functionality using WebSockets, including fallback and dead‐connection handling. Worked with custom Dagger scopes or subcomponents with explicit teardown. Exposure to XML/ViewBinding, Room, Crashlytics, payment SDKs ...

Lead Backend Engineer — Golang, Redis & GCP (Hybrid)

Location
Manchester, England, United Kingdom
bet365 is seeking a Senior Software Developer to build and maintain backend systems for the FollowScores football scores app, delivering features via WebSockets and REST APIs. You will lead a small team, ensure high quality, and drive reliable solutions that scale with user growth. The role emphasizes leadership, mentorship ...

Front End Developer - React, RxJS, Typescript, Websockets, EDA

Hiring Organisation
Hays Technology
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£700 - £800/day £700-£800
Front End Developer - React, RxJS, Typescript, Websockets, EDA Working with a global financial services organisation who are looking for a Front-End Developer with expertise in React, RxJS, Typescript, Websockets and Event Driven Development (EDA) t o join a small, collaborative team responsible for building a modern trading application …/day Inside IR35 via Umbrella Skills and Experience Required Frontend: Proven experience as a Front-End Developer with expertise in React, RxJS, Typescript, Websockets and Event Driven Development (EDA) Real-Time: Experience with Real-time Data. Stakeholder Management: Interface with project stakeholders to gather requirements and build solutions that ...

Full Stack Engineer

Location
Greater London, England, United Kingdom
About Wintermute Wintermute is one of the largest crypto native algorithmic trading companies in digital assets. We provide liquidity across most cryptocurrency exchanges and trading platforms, a broad range of OTC trading solutions as well ...

Frontend Quality Assurance Specialist

Location
Belfast City District, Northern Ireland, United Kingdom
Frontend Quality Assurance Specialist At a Glance Individual contributor QA role at a high-growth prediction markets trading firm Core stack: Java, Python, FIX, SQL, Cucumber, Playwright, JUnit Competitive base salary plus discretionary annual bonus ...