51 to 75 of 115 WebSockets Jobs in the UK

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 ...

Job Posting Title AI Front End Developer

Location
Ruddington, England, United Kingdom
experience building real‐time or streaming interfaces and keeping UIs responsive during asynchronous activity You are comfortable integrating with complex backends using REST, WebSockets, or SSE, and collaborating to shape APIs that support great user experiences You have strong design instincts and can turn product intent into interaction patterns without ...

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 (Full Stack)

Location
Belfast City District, Northern Ireland, United Kingdom
modern JavaScript frameworks - React + Knowledge of version control systems (Git) + Understanding of cross-browser compatibility + Familiarity with RESTful APIs, GraphQL and Websockets + Experience with CSS pre-processors e.g. Tailwind* Back-end skills + Proficiency in backend programming languages (Typescript and/or other OOP language such … c#/Java) + Strong database knowledge (SQL and NoSQL) + Proficiency with RESTful APIs and GraphQL APIs and Websockets + Experience with microservices architecture + Knowledge of version control systems (Git) + Experience with Terraform + Experience with automated testing + Experience with AWS (AWS Lambda, AWS Fargate, Amazon ...

Senior Software Engineer (Full Stack) JBLE1 NI

Hiring Organisation
TP ICAP Group Services Ltd
Location
Belfast, UK
ReactQuery Experience with modern JavaScript frameworks - React Knowledge of version control systems (Git) Understanding of cross-browser compatibility Familiarity with RESTful APIs, GraphQL and Websockets Experience with CSS pre-processors e.g. Tailwind Back-end skills Proficiency in backend programming languages (Typescript and/or other OOP language such as c# …/Java) Strong database knowledge (SQL and NoSQL) Proficiency with RESTful APIs and GraphQL APIs and Websockets Experience with microservices architecture Knowledge of version control systems (Git) Experience with Terraform Experience with automated testing Experience with AWS (AWS Lambda, AWS Fargate, Amazon API Gateway, AWS AppSync) Worked within an Agile ...

Senior Software Engineer (Full Stack)

Location
Belfast City District, Northern Ireland, United Kingdom
ReactQuery Experience with modern JavaScript frameworks - React Knowledge of version control systems (Git) Understanding of cross-browser compatibility Familiarity with RESTful APIs, GraphQL and Websockets Experience with CSS pre-processors e.g. Tailwind Back-end skills Proficiency in backend programming languages (Typescript and/or other OOP language such as c# …/Java) Strong database knowledge (SQL and NoSQL) Proficiency with RESTful APIs and GraphQL APIs and Websockets Experience with microservices architecture Knowledge of version control systems (Git) Experience with Terraform Experience with automated testing Experience with AWS (AWS Lambda, AWS Fargate, Amazon API Gateway, AWS AppSync) Worked within an Agile ...

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 ...

Senior Forward Deployed ML Engineer, Agents

Location
Greater London, England, United Kingdom
About aion Aion is the enterprise AI platform, a full-stack solution for building, fine-tuning, and deploying AI at scale. Whether an organization is modernizing internal operations, launching AI-powered products, or transforming customer ...

Senior Software Engineer

Hiring Organisation
The Portfolio Group
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£90000/annum
We're looking for a Senior Software Engineer to join a growing AI team and take ownership of the application and integration layer behind a new generation of AI-powered products. This is a genuinely ...

Frontend Engineer: Real-Time Gaming UI

Location
Greater London, England, United Kingdom
work collaboratively with designers and back-end developers, ensuring best practices in development and code quality are followed. Bonus points for experience with WebSockets or gaming applications. #J-18808-Ljbffr ...

Tech Lead Manager - Lakebase

Location
Greater London, England, United Kingdom
edge that every customer touches. The proxy handles all client connections and transfers every byte of query traffic, serving every data protocol: Postgres, HTTP, WebSockets, and the Data API. We route and manage large volumes of concurrent connections, solving load balancing, authentication, and data access at high throughput, with ...

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 ...

Senior Engineer (Full-Stack)

Location
City Of London, England, United Kingdom
ReactQuery Experience with modern JavaScript frameworks - React Knowledge of version control systems (Git) Understanding of cross-browser compatibility Familiarity with RESTful APIs, GraphQL and Websockets Experience with CSS pre-processors e.g. Tailwind Back-end skills Proficiency in backend programming languages (Typescript and/or other OOP language such as c# …/Java) Strong database knowledge (SQL and NoSQL) Proficiency with RESTful APIs and GraphQL APIs and Websockets Experience with microservices architecture Knowledge of version control systems (Git) Experience with Terraform Experience with automated testing Experience with AWS (AWS Lambda, AWS Fargate, Amazon API Gateway, AWS AppSync) Worked within an Agile ...

Trading Analytics Developer, Quantitative Trading

Location
Greater London, England, United Kingdom
The Quant Trading team is responsible for trading and managing risks associated with different crypto products, including spots and derivatives. The team develops and implements trading strategies in fast-paced and complex trading environments. We ...

Senior Javascript Developer

Location
Glasgow, Scotland, United Kingdom
Job title: Senior Javascript Developer Pay Range: £60,000+ Reports to: CTO About Us Odro builds technology that helps recruitment businesses work smarter. Our products are used by hundreds of recruitment brands and thousands of ...

Engineer C# (Full Stack)

Location
Greater London, England, United Kingdom
## Engineer C# (Full Stack)Applylocations: Londontime type: Full timeposted on: Posted Todayjob requisition id: R5595**Group Overview**The TP ICAP Group is a world leading provider of market infrastructure.Our purpose is to provide clients ...

Engineer C# (Full Stack)

Location
City Of London, England, United Kingdom
Group Overview The TP ICAP Group is a world‐leading provider of market infrastructure. Our purpose is to provide clients with access to global financial and commodities markets, improving price discovery, liquidity, and distribution of ...

Senior Lead Software Engineer- Back End- Madrid

Location
Greater London, England, United Kingdom
Behind every investment is a person with ambitions, motivations and values. While we know that every client is unique, they come to J.P. Morgan Personal Investing for the same reason: our straightforward and transparent approach ...

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 ...

Integrations Engineer

Location
City Of London, England, United Kingdom
connected devices, or software integrations is a plus. A basic understanding of REST APIs, HTTP, and JSON; familiarity with API testing tools like Postman. WebSockets and OAuth2 experience is a bonus. Knowledge of OCPP is advantageous but not required. Experience in EV charging or energy is a plus ...

Solutions Architect, Voice - London

Location
Greater London, England, United Kingdom
deployment strategies for Decagon's voice platform. Design SIP integration approaches—BYOC trunking, REFER-based transfer, header propagation, and media/streaming paths (Websockets, Audio Connector, External Voice Transfer)—tailored to each customer's topology and security posture. Diagnose complex, multi-leg call flows down to the packet level ...

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 ...

Lead UI Developer – Single Dealer Platform (TypeScript / RxJS / React)

Location
Greater London, England, United Kingdom
delivery plans. Own the front end architecture (React + TypeScript + RxJS), including state management, observables, and data flow design for live market data (WebSockets/Server Sent Events). Design and implement modular, testable, and reusable components and design system primitives aligned to accessibility (WCAG 2.1 AA+). Drive … . What we are looking for: Solid years building web applications with TypeScript and React; 3+ years in a senior/lead role. WebSockets, Server-Sent Events, WebRTC or other high performance bidirectional data streaming experience. GraphQL, Protobuf, Flatbuffers or other schema-driven API design tools. Strong RxJS (or equivalent ...

Principal Software Engineer - C#

Location
City Of London, England, United Kingdom
Role Overview ICRV are seeking an exceptional Principal Engineer to own the architecture, design and hands‐on delivery of a desktop platform automating and streamlining trading desk workflows. This is a high‐visibility player‐coach ...

Senior Software Engineer Engineering · London · On-site

Location
Greater London, England, United Kingdom
we make it easy for developers and AIs to build on health data. hundreds of wearables, sensors, labs, and health apps — connected, normalized, and made intelligent through a single platform. 1,000s of developers and ...