1 to 25 of 29 Permanent 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 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 ...

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 ...

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/ ...

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
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 ...

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 ...

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 ...

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, UK
Employment Type
Full-time
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 ...

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 ...

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 Developer

Hiring Organisation
Ridge & Partners LLP
Location
Solihull, West Midlands, United Kingdom
Employment Type
Permanent
Service workers, IndexedDB/Dexie.js, Command pattern, Real-time sync RAAC Survey System: Filament 4.0, S3 integration, Queue jobs, Multi-tenancy Desirable: Vite Chart.js WebSockets Docker/Sail shadcn-vue @vueuse/core What you need to do to be effective in this role: Collaborate with stakeholders to understand processes ...

Software Engineer

Hiring Organisation
Addition
Location
Milton Keynes, Buckinghamshire, England, United Kingdom
Employment Type
Full-Time
Salary
£42,000 - £54,000 per annum
Software Engineer - Fullstack Join our innovative team as a Software Engineer - Fullstack and be at the forefront of transforming our application landscape into a modern, cloud-hosted finance platform. This exciting role offers the opportunity ...

C++ Software Engineer

Hiring Organisation
Resourcing Group
Location
North East, Glasgow, UK
product design Document testing, calibration, debugging, and fixes What Were Looking For Strong C++ background Experience with Linux Familiarity with REST APIs, WebSockets, and JavaScript/Node.js Agile development experience and version control (Git/SVN) Self-motivated, proactive, and excellent communicator Why Join? Work on cutting-edge imaging technology ...

Software Engineer

Hiring Organisation
Accountancy Action
Location
Hertfordshire, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £90,000 per annum
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 ...

Backend Software Engineer

Hiring Organisation
STS Digital Group
Location
City of London, London, United Kingdom
Backend Software Engineer STS Digital (www.stsdigital.io) is a leading regulated digital asset trading firm specializing in OTC trading and market making. While trading is headquartered in Bermuda, technology development is provided by a vibrant global ...

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 ...

Cloud SRE

Hiring Organisation
Deep Sea Electronics Ltd
Location
Hunmanby, North Yorkshire, UK
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
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 ...

Software Engineer Python | Django

Hiring Organisation
Opus Resourcing Ltd
Location
Reading, England, United Kingdom
A software engineer with at least 2 years of backend Python/Django skills is required to join the R&D, product-focused engineering team at a world-leading European software company with circa 350 ...

Front End Developer

Hiring Organisation
Noir
Location
Newcastle Upon Tyne, Tyne and Wear, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £80,000 per annum
Front End Developer - FinTech - Newcastle (Tech stack: Front End Developer, React, TypeScript, Websockets, SignalR, Containers, Orchestration, UX, Usability, Programmer, Developer, Architect, Front End Developer) Our client is a cutting-edge FinTech company with a reputation for innovation and excellence. They design and build advanced trading and analytics platforms used globally … Science (essential). Strong recent experience with modern front-end frameworks, particularly React, alongside TypeScript. Background working with real-time communication tools such as Websockets or SignalR. Familiarity with containerisation and orchestration platforms. A genuine enthusiasm for creating clean, usable, and engaging interfaces. The confidence to collaborate across different teams ...