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 ❯
london, south east england, 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 ❯
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 ❯
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 ❯
component-based frameworks. Experience building or maintaining back-end APIs (ideally in PHP or a similar backend stack). Good understanding of asynchronous communication (WebSockets, REST, etc.). Comfortable in fast-paced, agile environments with high autonomy. Strong communication and problem-solving skills. Bonus Points For: Experience with graphics, animation More ❯
London, England, United Kingdom Hybrid / WFH Options
Source Technology
experience (Oracle preferred) Comfort with Unix/shell scripting Agile mindset (Scrum, TDD, pair programming) Passionate problem solver & team player? Frontend experience: React, HTML5, Websockets Knowledge of Structured Products (Notes, Warrants, etc.) Location: Hybrid Be part of a team where your code actually matters . Ready to make an impact More ❯
london, south east england, United Kingdom Hybrid / WFH Options
Source Technology
experience (Oracle preferred) Comfort with Unix/shell scripting Agile mindset (Scrum, TDD, pair programming) Passionate problem solver & team player? Frontend experience: React, HTML5, Websockets Knowledge of Structured Products (Notes, Warrants, etc.) Location: Hybrid Be part of a team where your code actually matters. Ready to make an impact? Apply More ❯
/CD, and Agile/Scrum experience Nice to Have: Exposure to cross-asset trading environments (FX, Equities, Fixed Income, etc.) Experience with Node.js, WebSockets, or API gateway patterns Testing frameworks (Jasmine, Karma, Cypress) Contract Details: Inside IR35 6 months rolling contract Up to £800 per day Hybrid More ❯
london, south east england, United Kingdom Hybrid / WFH Options
VirtueTech Recruitment Group
/CD, and Agile/Scrum experience Nice to Have: Exposure to cross-asset trading environments (FX, Equities, Fixed Income, etc.) Experience with Node.js, WebSockets, or API gateway patterns Testing frameworks (Jasmine, Karma, Cypress) Contract Details: Inside IR35 6 months rolling contract Up to £800 per day Hybrid More ❯
SQL-based databases with at least 2-3 years of experience . ✔ Real-time Streaming & Low Latency – Implement real-time communication protocols such as WebSockets to create engaging, live betting and gaming experiences. ✔ Code Quality & CI/CD – Lead the coding standards across the backend team, drive unit testing, automated More ❯
london, south east england, United Kingdom Hybrid / WFH Options
James Adams
SQL-based databases with at least 2-3 years of experience . ✔ Real-time Streaming & Low Latency – Implement real-time communication protocols such as WebSockets to create engaging, live betting and gaming experiences. ✔ Code Quality & CI/CD – Lead the coding standards across the backend team, drive unit testing, automated More ❯
strong interest in learning frameworks for building AI applications (i.e Langchain, Langgraph, Autogen, VertexAI, etc) Understanding of modern web communication protocols, including REST APIs, WebSockets, and webhooks Understanding of Git and GitHub for version control Decent understanding of databases (SQL or NoSQL) and cloud services (GCP) Ability to work in More ❯
london, south east england, United Kingdom Hybrid / WFH Options
Alix
strong interest in learning frameworks for building AI applications (i.e Langchain, Langgraph, Autogen, VertexAI, etc) Understanding of modern web communication protocols, including REST APIs, WebSockets, and webhooks Understanding of Git and GitHub for version control Decent understanding of databases (SQL or NoSQL) and cloud services (GCP) Ability to work in More ❯
Manchester, Lancashire, United Kingdom Hybrid / WFH Options
Matillion Limited
frontend ecosystem, including state management (e.g., Redux, Zustand) and performance optimization. Strong experience in architecting and implementing scalable, real-time, event-driven applications using WebSockets, SSE, and micro-frontend architectures. Proven ability to design and develop secure, high-performance frontend applications, with hands-on experience in profiling, logging, and monitoring More ❯
and/or GCP. It would be great if you also have Good understanding or experience with event-based or streaming APIs such as Websockets and WebRTC. Experience with our current frontend stack, such as ReactJS, NextJS, TailwindCSS, tRPC. Good understanding or experience with additional programming languages like Rust or More ❯
wilmslow, north west england, United Kingdom Hybrid / WFH Options
Roc Search
from home (Although this could be flexible). Essential skills include experience with: PHP Python Angular or React AWS Advantageous skills include experience with: WebSockets This is an excellent opportunity for the successful applicant to gain exposure to the Software industry with great rewards, including hybrid working, Pension and more. More ❯
london, south east england, United Kingdom Hybrid / WFH Options
Nixor
Nixor are looking for a Senior C# Developer to work for an Energy Financial Trading company with a focus on building advanced solutions for our cutting-edge automated algorithmic trading system. This is a chance to contribute to shaping the More ❯
London, England, United Kingdom Hybrid / WFH Options
Nixor
Nixor are looking for a Senior C# Developer to work for an Energy Financial Trading company with a focus on building advanced solutions for our cutting-edge automated algorithmic trading system. This is a chance to contribute to shaping the More ❯
Nixor are looking for a Senior C# Developer to work for an Energy Financial Trading company with a focus on building advanced solutions for our cutting-edge automated algorithmic trading system. This is a chance to contribute to shaping the More ❯
london, south east england, united kingdom Hybrid / WFH Options
Nixor
Nixor are looking for a Senior C# Developer to work for an Energy Financial Trading company with a focus on building advanced solutions for our cutting-edge automated algorithmic trading system. This is a chance to contribute to shaping the More ❯
