WebSockets Jobs in London

11 of 11 WebSockets Jobs in London

Full Stack Developer (React / Next.js / AWS/Go)

London, South East, England, United Kingdom
Hybrid/Remote Options
Avanti
experiences Skills & Experience Essential: 3+ years’ commercial experience in React/Next.js development Strong TypeScript and modern JavaScript (ES6+) skills Experience with Tailwind CSS or similar frameworks Familiarity with WebSockets and real-time data integration Working knowledge of Node.js or Go Experience managing AWS environments, deployments, and pipelines Desirable: Experience in sports data, gaming, or live media applications Knowledge of More ❯
Employment Type: Full-Time
Salary: £45,000 - £50,000 per annum
Posted:

Senior Backend Engineer (Golang)

London, United Kingdom
Hybrid/Remote Options
Ventula Consulting
RESTful APIs for mobile or web clients. Deep experience with distributed systems, microservices architecture, and event-driven patterns. Demonstrated experience with Real Time applications and data streaming technologies (eg, WebSockets, gRPC, Kafka). Experience integrating third-party AI/ML APIs (eg, LLMs, STT/TTS, or other complex services) into production systems. Experience with containerization (Docker, Kubernetes) and deploying More ❯
Employment Type: Permanent
Salary: GBP 130,000 - 160,000 Annual
Posted:

Senior Backend Engineer

City of London, London, United Kingdom
Hybrid/Remote Options
Ventula Consulting Limited
RESTful APIs for mobile or web clients. Deep experience with distributed systems, microservices architecture, and event-driven patterns. Demonstrated experience with real-time applications and data streaming technologies (e.g., WebSockets, gRPC, Kafka). Experience integrating third-party AI/ML APIs (e.g., LLMs, STT/TTS, or other complex services) into production systems. Experience with containerization (Docker, Kubernetes) and deploying More ❯
Employment Type: Permanent, Work From Home
Posted:

Lead Principal Software Engineer

London Area, United Kingdom
Harrington Starr
architecture (This will be tested) Proven record of complex software delivery in the Interest Rates domain Excellent Java 21, Spring Boot, strong practical experience with containers, REST APIs, and WebSockets Strong experience of Agile, SCRUM, and test-driven development processes Strong leadership experience (at least 5 years of leading a team) Contact Ciara Clarke at Harrington Starr for a confidential More ❯
Posted:

Senior Android Engineer (UI/UX & Welcome Manager)

London, United Kingdom
Hybrid/Remote Options
Ventula Consulting
data-intensive user interfaces (eg, chat applications, financial dashboards, Real Time streaming apps). ? Strong experience integrating with Back End APIs and services, particularly consuming Real Time data via WebSockets, gRPC, or similar protocols. ? Proficiency in translating high-fidelity designs (eg, Figma, Sketch) into beautiful, performant, and maintainable code. ? A strong understanding of Android UI performance optimization, memory management, and More ❯
Employment Type: Permanent
Salary: GBP 110,000 - 140,000 Annual
Posted:

Senior Android Engineer (UI/UX & Welcome Manager)

City of London, London, United Kingdom
Hybrid/Remote Options
Ventula Consulting Limited
time, data-intensive user interfaces (e.g., chat applications, financial dashboards, real-time streaming apps). ? Strong experience integrating with backend APIs and services, particularly consuming real-time data via WebSockets, gRPC, or similar protocols. ? Proficiency in translating high-fidelity designs (e.g., Figma, Sketch) into beautiful, performant, and maintainable code. ? A strong understanding of Android UI performance optimization, memory management, and More ❯
Employment Type: Permanent, Work From Home
Posted:

Senior Fullstack Engineer - Rates and Credit Trading

London, South East, England, United Kingdom
Robert Walters
Contribute to platform modernisation, helping define long-term technology direction Key Requirements: Strong expertise in React, TypeScript, and modern web technologies Proven experience building real-time, event-driven systems (WebSockets, Web Workers, asynchronous data flow) Solid background in backend development, ideally with Java, REST APIs, and messaging frameworks Deep understanding of architecture and system design, including distributed and low-latency More ❯
Employment Type: Full-Time
Salary: £100,000 - £128,000 per annum
Posted:

Senior Android Engineer (Native Integration & Security)

London, United Kingdom
Hybrid/Remote Options
Ventula Consulting
understanding of mobile security principles and best practices, including secure data storage, network communication (mTLS), and threat modelling. Proficiency in consuming RESTful APIs and Real Time data streams (eg, WebSockets) in a mobile environment. Strong understanding of Android performance profiling tools and techniques to debug and optimize for latency. Experience with multi-threaded and asynchronous programming on Android. Preferred Qualification More ❯
Employment Type: Permanent
Salary: GBP 110,000 - 140,000 Annual
Posted:

Senior Android Engineer (Native Integration & Security)

City of London, London, United Kingdom
Hybrid/Remote Options
Ventula Consulting Limited
understanding of mobile security principles and best practices, including secure data storage, network communication (mTLS), and threat modeling. ? Proficiency in consuming RESTful APIs and real-time data streams (e.g., WebSockets) in a mobile environment. ? Strong understanding of Android performance profiling tools and techniques to debug and optimize for latency. ? Experience with multi-threaded and asynchronous programming on Android. Preferred Qualification More ❯
Employment Type: Permanent, Work From Home
Posted:

Professional Services Engineer

London, UK
Fireblocks
The world of digital assets is accelerating in speed, magnitude, and complexity, opening the door to new ways for leveraging the blockchain. Fireblocks' platform and network provide the simplest and most secure way for companies to work with digital assets More ❯
Posted:

Quantitative Developer

London Area, United Kingdom
Albert Bow
Quantitative Developer | Two Streams: Execution Infrastructure and Low-Latency Crypto | NYC or London | $170k to $250k base + performance bonus Albert Bow is partnering with a top-tier systematic trading group to hire across 23 seats split between two streams. More ❯
Posted:
WebSockets
London
10th Percentile
£98,625
25th Percentile
£98,750
Median
£125,000
75th Percentile
£136,250
90th Percentile
£141,250