Permanent WebSockets Jobs in England

1 to 25 of 78 Permanent WebSockets Jobs in England

Senior Full Stack Engineer [UAE Based] (London Area)

London, UK
AI71
Proficiency in modern JavaScript/TypeScript frameworks (React, Next.js, Vue.js) and backend development (Node.js, Python, or Go). Solid understanding of RESTful APIs, GraphQL, WebSockets, and authentication mechanisms (OAuth, JWT). Experience with relational and NoSQL databases (e.g., PostgreSQL, MongoDB, Redis). Familiarity with cloud platforms (AWS, GCP, or Azure More ❯
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Senior Full Stack Engineer [UAE Based]

London Area, United Kingdom
AI71
Proficiency in modern JavaScript/TypeScript frameworks (React, Next.js, Vue.js) and backend development (Node.js, Python, or Go). Solid understanding of RESTful APIs, GraphQL, WebSockets, and authentication mechanisms (OAuth, JWT). Experience with relational and NoSQL databases (e.g., PostgreSQL, MongoDB, Redis). Familiarity with cloud platforms (AWS, GCP, or Azure More ❯
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Full Stack Engineer (Team Lead) (London Area)

London, UK
Hybrid / WFH Options
Evermore
capabilities. Experience with AI/ML integrations or recommendation systems. Expertise in Matrix/Synapse integration for real-time messaging and communication. Knowledge of WebSockets, real-time messaging, and event-driven architectures. Background in platform monetisation and payment integration. Strong familiarity with access control, authentication (OAuth, JWT), and data privacy More ❯
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Full Stack Engineer (Team Lead)

London Area, United Kingdom
Hybrid / WFH Options
Evermore
capabilities. Experience with AI/ML integrations or recommendation systems. Expertise in Matrix/Synapse integration for real-time messaging and communication. Knowledge of WebSockets, real-time messaging, and event-driven architectures. Background in platform monetisation and payment integration. Strong familiarity with access control, authentication (OAuth, JWT), and data privacy More ❯
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Ruby On Rails Full Stack Developer

Portsmouth, Hampshire, South East, United Kingdom
Hybrid / WFH Options
Birchwell Associates Ltd
to performance and security. Comfortable working in agile, fast-paced environments. Leadership experience with a passion for mentoring others. Nice to Have: Experience with WebSockets, GraphQL, or real-time data streaming. Understanding of microservices or serverless architecture. Exposure to data analytics platforms or AI/ML integrations. Familiarity with event More ❯
Employment Type: Permanent
Salary: £65,000
Posted:

SAP Sovereign Cloud JavaScript Developer

London, United Kingdom
SAP SE
testing strategy, and CI/CD processes. Strong proficiency in ES6+, React, Redux, Node.js , and related front-end technologies. Experience with RESTful APIs, JSON, WebSockets , and asynchronous programming. Solid understanding of testing frameworks (e.g., Jest, Mocha, Cypress). Knowledge of build tools like Webpack, Babel, or Vite and experience with More ❯
Employment Type: Permanent
Salary: GBP Annual
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Back-End Engineer

Bristol, Gloucestershire, United Kingdom
Callen Lenz
You/Skills and competencies Essential: Proficiency in Go, TypeScript, and/or JavaScript Experience with technologies such as MySQL, MongoDB, Postgres, Redis, gRPC, WebSockets, REST API, React, CSS, Rego/OPA, Jest, Cypress, Redux, microservices, AWS/Azure/GCP, Docker, Kubernetes, etcd, Tailwind, DaisyUI, shadcn/ui, Git More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Web Technical Lead (Digital Factory)

Watford, Hertfordshire, United Kingdom
ENGINEERINGUK
or similar technologies. Experience with responsive design, Progressive Web Apps (PWAs), mobile-first development, and cross-browser compatibility. Familiarity with RESTful APIs, GraphQL, JSON, WebSockets, and integration with backend services. Experience with unit testing frameworks (JUnit, Espresso, etc.) and automated testing tools. Deep understanding of UI/UX design principles More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Full Stack Engineer (Node / Express / Angular)

London, United Kingdom
Hybrid / WFH Options
Honeycombsoft
of best practices in software development, including testing, CI/CD, and DevOps. Hands-on experience with Docker and containerized environments. Familiarity with gRPC, WebSockets, or microservices architecture. Experience with cloud platforms and service configurations within AWS or Digital Ocean. Understanding of blockchain technology fundamentals. Experience with testing frameworks such More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Developer (London Area)

London, UK
Intec Select
Azure, AWS, or GCP) Open to working with Python and React Desirable: Finance/trading experience React (Redux), Python, Docker, Azure DevOps, FIX protocol Websockets/SignalR, SQL optimisation Benefits: 25 days holiday, 7% pension, private health insurance £80/month gym benefit, life assurance Season ticket loan Senior .NET More ❯
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Full Stack Developer

London, United Kingdom
Native Design
the real alchemy happens. Practical: You're comfortable with standard platforms like AWS and Azure, as well as API and communication protocols like REST, WebSockets, and WebRTC, and can deliver high quality under pressure and to tight timescales. Fun: We're not asking for stand-up comedy routines, but a More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer

London Area, United Kingdom
Intec Select
Azure, AWS, or GCP) Open to working with Python and React Desirable: Finance/trading experience React (Redux), Python, Docker, Azure DevOps, FIX protocol Websockets/SignalR, SQL optimisation Benefits: 25 days holiday, 7% pension, private health insurance £80/month gym benefit, life assurance Season ticket loan Senior .NET More ❯
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DevOps Engineer - Infra Sec (Chinese Speaking)

London, United Kingdom
EEZE
in a similar role; candidates with more experience will be considered for Senior DevOps Engineer or DevOps Lead positions. Nice to have Experience with WebSockets and binary communication protocols, enhancing real-time data transfer capabilities. Strong understanding of scaling high-throughput, real-time applications in a cloud-native or distributed More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Python Developer

London Area, United Kingdom
Hybrid / WFH Options
Uneek Global
Stack & Skills: Python & Django (APIs, data pipelines) Front-end experience (React/Node.js) Azure cloud & large-scale data systems CI/CD, REST APIs, WebSockets Bonus: Financial product knowledge, Docker/Kubernetes Key Responsibilities Build and maintain full-stack applications with a focus on high-performance back-end systems Design More ❯
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Senior Frontend Engineer

London, United Kingdom
MarketAxess Holdings Inc
/LESS/CSS-in-JS/Tailwind) Experience testing with Jest/React Testing Library Desirable experience with DevOps tools Desirable experience with Websockets Desirable experience with ES6, Styled Components, Material UI Desirable experience with OpenFin Desirable experience in Finance, specifically trading Familiar with Agile Methodology What You Can More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Lead React Native Developer (PropTech Startup)

London, United Kingdom
Hybrid / WFH Options
Story Terrace Inc
DevTools), memory leaks, UI responsiveness, performance bottlenecks, app profiling. APIs & Data Handling: RESTful APIs, state management (Redux, Zustand, Recoil), offline storage, real-time data (WebSockets, Firebase, SignalR). Testing & Quality Assurance: Unit and integration testing (Jest, React Testing Library), UI testing (Detox/Appium), automated testing pipelines. Deployment & DevOps: CI More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Python Developer - LNG Energy Trading

London Area, United Kingdom
Hybrid / WFH Options
Templeton & Partners - Innovative & Inclusive Hiring Solutions
Vaults, etc.) Experience developing web UIs using ReactJS, TypeScript Familiarity with DevOps, CI/CD pipelines, and Agile best practices Understanding of APIs, OAuth2, WebSockets, and microservice architecture 💡 Bonus Skills Experience in energy, commodities, or financial trading environments Knowledge of data engineering, Kafka, Terraform, Conda, Bokeh Exposure to working directly More ❯
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Senior C++ Developer

London, United Kingdom
EEZE
Familiarity with Oracle databases or similar enterprise-level database systems is a plus. Proficient in Chinese is a plus. Nice to have Experience with WebSockets and binary communication protocols, enhancing real-time data transfer capabilities. Strong understanding of scaling high-throughput, real-time applications in a cloud-native or distributed More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Back-End Software Developer

London Area, United Kingdom
Hybrid / WFH Options
RedTech Recruitment
part in code reviews, pair programming, and regular feedback cycles Work across a modern backend stack involving AWS, PostgreSQL/DynamoDB/OpenSearch, S3, WebSockets, and infrastructure-as-code What this offers The chance to join at the very beginning of a high-potential start-up, with a seat at More ❯
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Solution Architect, Real Time

London, United Kingdom
London Stock Exchange Group
snap and bulk content delivery. Technical: A deep hands-on understanding of infrastructure, hosting, cloud, Linux servers, databases, common API technologies and concepts including Websockets, Restful API's, FTP and VPN. Ability to respond positively to pressure and take a flexible approach to the dynamic, fast moving market data field. More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Java Software Engineer (Belfast)

London, UK
H&P Executive Search
Familiarity with CI/CD tools (e.g., TeamCity, Jenkins) Scripting experience (e.g., Groovy, Ruby, Python ) Knowledge of networking protocols (TCP, UDP, RESTful API design, WebSockets Familiarity with Git for version control Exposure to Grails Framework Frontend basics (e.g., JavaScript, Bootstrap, jQuery More ❯
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Senior Software Engineer (Manchester Area)

Manchester, UK
Hybrid / WFH Options
ConnexAI
closely with the Data Science team, contributing to our AI offerings You will explore a diverse range of technologies, including AWS, Linux, Docker, PostgreSQL, WebSockets, APIs... You will have exposure to other technologies such as Linux, Docker, AWS, PostgreSQL Your ideas will be highly valued in our collaborative team environment More ❯
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Senior Software Engineer

Manchester Area, United Kingdom
Hybrid / WFH Options
ConnexAI
closely with the Data Science team, contributing to our AI offerings You will explore a diverse range of technologies, including AWS, Linux, Docker, PostgreSQL, WebSockets, APIs... You will have exposure to other technologies such as Linux, Docker, AWS, PostgreSQL Your ideas will be highly valued in our collaborative team environment More ❯
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Software Engineer - Solution Design Exp (City Of London)

City of London, Greater London, UK
Lorien
using Angular. Solid Solution Deisgn Experience. Nice-to-Have : Experience with Event-Driven Architecture using AWS services (SNS, SQS, EventBridge). Knowledge of GraphQL, WebSockets, or real-time data streaming. Exposure to DevOps and observability practices (e.g., Prometheus, Datadog, AWS CloudWatch, OpenTelemetry). Prior experience in leading distributed engineering teams. More ❯
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Software Engineer - Solution Design Exp

City Of London, England, United Kingdom
Lorien
using Angular. Solid Solution Deisgn Experience. Nice-to-Have : Experience with Event-Driven Architecture using AWS services (SNS, SQS, EventBridge). Knowledge of GraphQL, WebSockets, or real-time data streaming. Exposure to DevOps and observability practices (e.g., Prometheus, Datadog, AWS CloudWatch, OpenTelemetry). Prior experience in leading distributed engineering teams. More ❯
Posted:
WebSockets
England
10th Percentile
£50,000
25th Percentile
£55,625
Median
£90,000
75th Percentile
£127,500
90th Percentile
£150,000