1 to 25 of 30 WebSockets Jobs in England

Full Stack Developer

Hiring Organisation
Devonshire Hayes Recruitment Specialists Limited
Location
London, UK
Employment Type
Full-time
Skills & Experience Essential: Strong experience with Next.js, React, and TypeScript Solid front-end engineering experience, ideally within real-time or trading environments Experience with WebSockets or SignalR for real-time communication Backend development experience with .NET (C#) and/or Python Strong understanding of REST APIs and microservices architecture Experience ...

Full Stack Developer

Hiring Organisation
Devonshire Hayes Recruitment Specialists Limited
Location
City of London, London, England, United Kingdom
Employment Type
Contractor
Contract Rate
£45,000 - £65,000 per annum
Skills & Experience Essential: Strong experience with Next.js, React, and TypeScript Solid front-end engineering experience, ideally within real-time or trading environments Experience with WebSockets or SignalR for real-time communication Backend development experience with .NET (C#) and/or Python Strong understanding of REST APIs and microservices architecture Experience ...

Senior Full Stack Engineer (AWS Microservices & Integrations)

Hiring Organisation
Narwhal Labs
Location
City Of Bristol, England, United Kingdom
tuning for Lambda and RDS Experience with Cognito/OIDC, RBAC/ABAC and multi-tenant isolation patterns Familiarity with real-time delivery via WebSockets or SSE and streaming responses Background in building connector SDKs or integration marketplaces ...

Junior Frontend Developer

Hiring Organisation
BGC Group
Location
City of London, London, United Kingdom
React and Redux. Write clean, maintainable code in TypeScript and JavaScript (ES6). Collaborate with team members to implement real-time data solutions using WebSockets and REST APIs. Build responsive interfaces with CSS and component libraries. Participate in code reviews and testing using frameworks like Jest or Mocha. Learn ...

Full Stack Software Engineer

Hiring Organisation
ZENOVO LTD
Location
Bristol, Avon, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £90,000 per annum
Cursor, Antigravity) and an openness to adopting new productivity tools. Experience designing and consuming REST/GraphQL APIs, working with real-time data systems (WebSockets, Kafka, MQTT), and deploying applications to cloud infrastructure. Ability to write clean, testable, and maintainable code within a collaborative environment, with a solid understanding ...

Python Developer

Hiring Organisation
Roc Search
Location
City of London, London, United Kingdom
pipelines and event-driven architectures • Supporting production systems and driving performance improvements 🛠️ Core tech & experience: • Strong Python expertise (Django, FastAPI) • Experience with REST APIs, WebSockets, and real-time data integration • Cloud-native development (Azure preferred) • CI/CD, automated testing, and production support • Hands-on experience with AI agents/ ...

Front-End Engineer (React) : Trading : £120-180k plus excellent bonus : London

Hiring Organisation
Hunter Bond
Location
City of London, London, United Kingdom
environment Additional Technologies (Nice to Have) Experience with one or more of the following is a strong plus: Next.js or similar modern React frameworks WebSockets, streaming data, or real-time UI updates D3.js, charting libraries, or custom data visualisation Backend languages such as Python, C++, Java, or Go Familiarity with ...

Frontend Engineer

Hiring Organisation
Zuma Labs
Location
Greater London, England, United Kingdom
Apollo Client. Experience building Single Page Applications (SPAs). Reactive mobile UI development experience. Experience with Material UI or similar component libraries. Familiarity with WebSockets and real-time applications. Knowledge of CI/CD pipelines and end-to-end testing frameworks. Exposure to browser APIs and UX/UI design ...

React Native Developer (Wallet team) (100% remote Worldwide)

Hiring Organisation
Tether.io
Location
East London, London, United Kingdom
Experience with CI/CD pipelines for mobile development . Familiar with modern front-end pipelines and tools . Experienced with Native modules (C++) , WebSockets, RESTful based APIs . Experience in Swift/Objective-C (iOS) or Kotlin/Java (Android) for low level implementation. Important information for candidates Recruitment ...

React Native Developer (Wallet team) (100% remote Worldwide)

Hiring Organisation
Tether.io
Location
Central London / West End, London, United Kingdom
Experience with CI/CD pipelines for mobile development . Familiar with modern front-end pipelines and tools . Experienced with Native modules (C++) , WebSockets, RESTful based APIs . Experience in Swift/Objective-C (iOS) or Kotlin/Java (Android) for low level implementation. Important information for candidates Recruitment ...

React Native Developer (Wallet team) (100% remote Worldwide)

Hiring Organisation
Tether.io
Location
Leeds, West Yorkshire, United Kingdom
Experience with CI/CD pipelines for mobile development . Familiar with modern front-end pipelines and tools . Experienced with Native modules (C++) , WebSockets, RESTful based APIs . Experience in Swift/Objective-C (iOS) or Kotlin/Java (Android) for low level implementation. Important information for candidates Recruitment ...

React Native Developer (Wallet team) (100% remote Worldwide)

Hiring Organisation
Tether.io
Location
Altrincham, Greater Manchester, United Kingdom
Experience with CI/CD pipelines for mobile development . Familiar with modern front-end pipelines and tools . Experienced with Native modules (C++) , WebSockets, RESTful based APIs . Experience in Swift/Objective-C (iOS) or Kotlin/Java (Android) for low level implementation. Important information for candidates Recruitment ...

Software Lead

Hiring Organisation
Advanced Resource Managers
Location
Fareham, England, United Kingdom
technologies (across Windows and Linux environments): C++, Python, JavaScript XML, JSON, HTML, CSS Web frameworks and backend technologies (e.g. Angular, Django, Node.js, React, Apache) WebSockets and real-time data systems Docker and containerisation Networking protocols (TCP/IP, UDP) SQL and database technologies Debugging and diagnostic tools (e.g. Wireshark, system ...

Python Developer

Hiring Organisation
Robert Half
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
existing Python/SQL reporting framework. The AI enablement Engineer will have experience with the following technologies/tools: Docker, Postgres, REST APIs, SFTP, Websockets OOP + Asynchronous Design Patterns PowerQuery/DAX/M Industry standard libraries used in software development within finance (pandas, numpy, scipy etc) MS Graph ...

Lead Software Engineer

Hiring Organisation
ARM
Location
Fareham, Hampshire, United Kingdom
Employment Type
Permanent
technologies (across Windows and Linux environments): C++, Python, JavaScript XML, JSON, HTML, CSS Web frameworks and backend technologies (e.g. Angular, Django, Node.js, React, Apache) WebSockets and real-time data systems Docker and containerisation Networking protocols (TCP/IP, UDP) SQL and database technologies Debugging and diagnostic tools (e.g. Wireshark, system ...

AI Enablement Engineer

Hiring Organisation
Robert Half Limited
Location
London, United Kingdom
Employment Type
Contract, Work From Home
existing Python/SQL reporting framework. The AI enablement Engineer will have experience with the following technologies/tools: Docker, Postgres, REST APIs, SFTP, Websockets OOP + Asynchronous Design Patterns PowerQuery/DAX/M Industry standard libraries used in software development within finance (pandas, numpy, scipy etc) MS Graph ...

Graduate Software Developer

Hiring Organisation
CityGrad
Location
London Area, United Kingdom
techniques. Preferable but not essential Experience coding in ReactJS, C# .NET Core. Preferable but not essential Web technologies (CSS, HTML5, RESTful API’s, WebSockets) Preferable but not essential ...

Senior Front End Engineer React & React Native

Hiring Organisation
EFCI Group Ltd
Location
Bracknell, Berkshire, South East, United Kingdom
Employment Type
Permanent
Salary
£70,000
high-impact team where uptime and operational reliability are critical. Bonus Points for: Experience in Logistics, Aviation, or Enterprise SaaS. Exposure to WebSockets, real-time systems, or Native Android development. A background in C#, Python, or SQL. Why this role? This is a rare opportunity to join a stable, successful ...

Software Engineer

Hiring Organisation
Accountancy Action - Your Specialist Finance Recruitment Partner
Location
Hertfordshire, England, United Kingdom
building backend systems with Node.js (5+ years) Proven experience designing scalable APIs and distributed systems Familiarity with real-time or event-driven architectures (e.g. WebSockets, queues, streaming) Experience with cloud platforms (AWS preferred) Solid understanding of databases (SQL and/or NoSQL) Experience integrating with external APIs and third-party ...

Solutions Engineer (Crypto Technology)

Hiring Organisation
Iopa Solutions
Location
London Area, United Kingdom
trusted advisor for trading firms, exchanges, and institutional clients across the crypto ecosystem What we're looking for: APIs & Protocols REST APIs FIX Protocol WebSockets Domain knowledge Crypto/DeFi Trading systems Market structure Client skills Presales · Demos · Stakeholder comms Bonus points Scripting · SQL · Low-latency systems If this ...

QA Analyst Contractor

Hiring Organisation
Plumstead Consulting
Location
Hampshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£225 - £300 per day
documentation. Test Governance, Design, Estimation, Defect Triage, Defect Report, Execution, Test Progress Reporting and Test Closure Android and iOS familiarity & u nderstand of APIs Websockets Backend databases This Contract role is for 2 to 3 months initially with a possible extension. You will be required to attend the office. Salary ...

Senior C++ Software Engineer - Systematic Trading

Hiring Organisation
Templeton and Partners
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Daily
Senior C++ Software Engineer - Systematic Trading 12-month contract - £600 to £850/day (Inside IR35) Global Trading & Supply | High-Performance Systematic Trading Technology As a Senior C++ Software Engineer , you'll work closely with ...

Contract Front End Engineer - SC Cleared

Hiring Organisation
NSD
Location
Hampshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £650 per day
functional teams and end users. Key Responsibilities Develop modern, responsive front end applications using React and TypeScript Build real-time, data-driven features (e.g. WebSockets/SignalR) Collaborate with engineers, architects, and users to define and deliver requirements Contribute to scalable, maintainable front end architecture Integrate UI components with APIs … front end development experience React (or similar frameworks such as Vue or Angular) Experience building responsive, user-focused interfaces Real-time data handling (e.g. WebSockets) Strong stakeholder engagement and collaboration skills Desirable Skills js (tooling or full-stack exposure) Nginx or similar web servers/reverse proxies Docker, Kubernetes ...

Cloud SRE

Hiring Organisation
Deep Sea Electronics Ltd
Location
Mansfield, England, United Kingdom
Cloud SRE We’re looking for a Cloud SRE who can work independently and within a team, with strong skills in one or more object-oriented languages (PHP, Golang, NodeJS/TypeScript, or C#) and ...

Cloud SRE

Hiring Organisation
Deep Sea Electronics Ltd
Location
Hunmanby, England, United Kingdom
Cloud SRE We’re looking for a Cloud SRE who can work independently and within a team, with strong skills in one or more object-oriented languages (PHP, Golang, NodeJS/TypeScript, or C#) and ...