Permanent WebSockets Job Vacancies

1 to 25 of 408 Permanent WebSockets Jobs

TECH LEAD NODE.JS DEVELOPER

Chester, England, United Kingdom
Reply Group
HYBRID, KATOWICE Responsibilities Lead the design, development, and deployment of scalable Node.js applications and APIs. Architect and implement microservices and serverless solutions for high-performance applications. Guide and manage a team of developers, conducting code reviews and fostering best practices. More ❯
Posted:

Senior Fullstack Developer (React & Node.js)

London, England, United Kingdom
Pragmatike
Join to apply for the Senior Fullstack Developer (React & Node.js) role at Pragmatike Join to apply for the Senior Fullstack Developer (React & Node.js) role at Pragmatike Job Description Job Description Location: Full remote, EU timezone (CET 2 hours) Start Date More ❯
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Senior Software Developer Appliations with Security Clearance

Camarillo, California, United States
Brandes Associates Inc
and Material UI with a focus on performance and reusability Implement RESTful web services and APIs following industry best practices and Governance for authentication, error handling, and documentation Utilize WebSockets for real-time communication in collaborative applications and dashboards Configure and manage message queuing systems like RabbitMQ (AMQP) for asynchronous processing and system integration Leverage Java ORM frameworks such as … implementation experience Advanced Java ORM experience (Hibernate) Spring Boot or Java EE development expertise RESTful web services design and implementation Single Page Application (SPA) development with ReactJS/Redux WebSockets implementation for real-time applications Education: MS or MA degree in a Computer or Information Science field or a relevant technical discipline. ALLOWABLE SUBSTITUTION: Bachelor's degree plus 4 additional More ❯
Employment Type: Permanent
Salary: USD 115,000 Annual
Posted:

Senior Software Engineer

London, England, United Kingdom
83zero Ltd
What You've Got: Expert-level proficiency in JavaScript/TypeScript and modern front-end frameworks (e.g., React, Vue, or Angular). Strong understanding of web technologies (HTML5, CSS3, WebSockets) and browser APIs. Proficient in responsive design and cross-browser compatibility techniques. Knowledge of RESTful APIs and experience integrating front-end with back-end services. Understanding of web security best More ❯
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Senior Frontend Developer Engineering Team · London, UK ·

London, England, United Kingdom
Applied Data Science Partners
understanding of user accessibility needs, UI responsiveness across devices, cross-browser compatibility and performance considerations Strong understanding of browsers and web APIs including HTML Canvas, Drag and Drop, SSE, WebSockets, etc. Expertise in HTML, CSS, Javascript with the ability to write complex user interfaces using these languages. This includes knowledge of programming concepts, design patterns,, data structures, algorithms, and UI More ❯
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NODE.JS DEVELOPER

London, England, United Kingdom
Reply, Inc
to architectural decisions and suggest improvements to system design and development practices About the candidate: 3+ years of experience in a similar role Experience with RESTful APIs, GraphQL, and WebSockets Experience with cloud platforms (AWS, Azure, or GCP) and containerization (Docker, Kubernetes) is beneficial Familiarity with CI/CD pipelines, DevOps practices, and automated testing Excellent problem-solving skills and More ❯
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Full Stack Engineer (Team Lead)

London, United Kingdom
Hybrid / WFH Options
Evermore Global Sourcing Ltd
to support the platforms bilingual 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 regulations. More ❯
Employment Type: Permanent
Salary: £80,000
Posted:

Full Stack Engineer (Team Lead)

City of London, London, United Kingdom
Hybrid / WFH Options
Evermore
support the platform’s bilingual 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 regulations. More ❯
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Full Stack Engineer (Team Lead)

Liverpool, Merseyside, North West, United Kingdom
Hybrid / WFH Options
Evermore Global Sourcing Ltd
to support the platforms bilingual 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 regulations. More ❯
Employment Type: Permanent
Salary: £80,000
Posted:

Full Stack Engineer (Team Lead)

South East London, England, United Kingdom
Hybrid / WFH Options
Evermore
support the platform’s bilingual 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 regulations. More ❯
Posted:

Full Stack Engineer (Team Lead)

london, south east england, united kingdom
Hybrid / WFH Options
Evermore
support the platform’s bilingual 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 regulations. More ❯
Posted:

Full Stack Engineer (Team Lead)

london (city of london), south east england, united kingdom
Hybrid / WFH Options
Evermore
support the platform’s bilingual 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 regulations. More ❯
Posted:

Full Stack Engineer (Team Lead)

slough, south east england, united kingdom
Hybrid / WFH Options
Evermore
support the platform’s bilingual 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 regulations. More ❯
Posted:

Full Stack Engineer (Team Lead)

birkenhead, north west england, united kingdom
Hybrid / WFH Options
Evermore Global Sourcing Ltd
to support the platforms bilingual 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 regulations. JBRP1_UKTJ More ❯
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Full Stack Engineer (Team Lead)

warrington, cheshire, north west england, united kingdom
Hybrid / WFH Options
Evermore Global Sourcing Ltd
to support the platforms bilingual 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 regulations. JBRP1_UKTJ More ❯
Posted:

Full Stack Engineer (Team Lead)

old swan, north west england, united kingdom
Hybrid / WFH Options
Evermore Global Sourcing Ltd
to support the platforms bilingual 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 regulations. JBRP1_UKTJ More ❯
Posted:

Full-Stack Developer Hybrid. London

London, United Kingdom
Hybrid / WFH Options
Solace
and proficient in English, written and spoken. Proficiency with TypeScript, Next.js, Node.js and React Native. Experience deploying to Google Cloud, Vercel, or other cloud providers. Comfort working across REST, WebSockets, GraphQL, or gRPC APIs. Ability to architect and maintain scalable, secure systems with a clean codebase. Experience working with CI/CD pipelines, version control (Git), and Agile methodologies. Organised More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

SDE - 3 Web (JavaScript + TypeScript)

London, England, United Kingdom
Airtel Africa
Responsibilities: Frontend Development Responsibilities: Develop, test, and maintain responsive and user-friendly web interfaces using modern JavaScript frameworks such as React, Svelte, and Angular. Collaborate with designers to translate UI/UX wireframes into high-quality, maintainable code. Optimize web More ❯
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Senior Backend Game Engineer

United Kingdom
Hybrid / WFH Options
Companiongroup
Strong understanding of distributed systems and data structures and algorithms (DSA) 5+ years of professional backend development experience (preferably in the game industry) Solid experience with real-time networking, WebSockets, RPCs, REST APIs, gRPC, etc. Hands-on experience with matchmaking algorithms, player session management, and anti-cheat systems. Deep understanding of database systems, including SQL & NoSQL solutions (PostgreSQL, Redis, MongoDB More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Backend Game Engineer (DevOps)

United Kingdom
Hybrid / WFH Options
Companiongroup
Strong understanding of distributed systems and data structures and algorithms (DSA) 5+ years of professional backend development experience (preferably in the game industry) Solid experience with real-time networking, WebSockets, RPCs, REST APIs, gRPC, etc. Hands-on experience with matchmaking algorithms, player session management, and anti-cheat systems. Deep understanding of database systems, including SQL & NoSQL solutions (PostgreSQL, Redis, MongoDB More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Full Stack Engineer (Team Lead)

Liverpool, England, United Kingdom
Hybrid / WFH Options
Evermore
support the platform’s bilingual 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 regulations. Seniority level Seniority level More ❯
Posted:

Senior Frontend Developer - Typescript / Svelte - (f/m/x)

Berlin, Germany
Hybrid / WFH Options
doinstruct Software GmbH
Requirements You have as a frontend developer and very good knowledge of development with Svelte, Vue.js, React or another comparable framework. Bonus: Experience with the AWS Cloud, REST, Node.js, Websockets and your own UI components (HTML/CSS). You're eager to take on responsibility within the team-As a collaborative team player , you're driven to create outstanding More ❯
Employment Type: Permanent
Salary: EUR Annual
Posted:

Senior UI Developer lead for BestX product, AVP

London, England, United Kingdom
Acord (association For Cooperative Operations Research And Development)
Who we are looking for Responsible for implementation and delivery of new UI features, services and enhancements to the BestX product and exhibit superior skills in modern Agile, Cloud-based, Web Development. Why this role is important to us State More ❯
Posted:

Senior Software Engineer (TypeScript) - Midnight (Wallet)

London, England, United Kingdom
Hybrid / WFH Options
Input Output (IOHK)
Senior Software Engineer (TypeScript) - Midnight (Wallet) Who are we? IOG is a technology company focused on Blockchain research and development. We are renowned for our scientific approach to blockchain development, emphasizing peer-reviewed research and formal methods to ensure security More ❯
Posted:

Web Technical Lead (Digital Factory)

Watford, Hertfordshire, United Kingdom
Allwyn UK
Join our journey to create a new experience for the National Lottery and help us to power change for the greater good. About us: We are Allwyn UK, part of the Allwyn Entertainment Group - a multi-national lottery operator with More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:
WebSockets
10th Percentile
£48,750
25th Percentile
£50,625
Median
£82,500
75th Percentile
£120,000
90th Percentile
£142,500