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 ❯
london, south east england, United Kingdom Hybrid / WFH Options
Source Technology
including state management libraries like Redux or Context API. TypeScript: Proficient in building robust, type-safe applications using TypeScript. Real-Time Communication: Experience with WebSockets to implement real-time data updates. UI/UX Design: Ability to build responsive and visually appealing interfaces. Development Practices: Familiarity with version control (Git 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, 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 ❯
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 ❯
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 ❯
london, south east england, United Kingdom Hybrid / WFH Options
Understanding Recruitment
following experience: 10+ commercial experience as a Frontend Developer Architecting and developing desktop and mobile interfaces React, React Native, Redux, React Hooks CSS, Typescript, Websockets, REST APIs Leading cross-functional teams to drive product launches and realise end-to-end solutions Bonus points : understanding of trading interfaces, financial experience, blockchain 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 ❯
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 ❯
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, 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 ❯
Newcastle Upon Tyne, Tyne And Wear, United Kingdom Hybrid / WFH Options
Noir Consulting
Frontend Developer - FinTech - Newcastle (Tech stack: Frontend Developer, React, TypeScript, Websockets, SignalR) I'm recruiting on behalf of a leading FinTech company in Newcastle that is looking for an experienced Frontend Developer to join their dynamic team. This is a fantastic opportunity to work in a fast-paced, innovative environment … What They're Looking For: Strong programming and technology skills, with recent hands-on experience in React and TypeScript . Extensive experience working with Websockets, SignalR, or other real-time push technologies . Experience with containers and orchestration . A passion for UX and usability , ensuring the best possible user More ❯
Frontend Developer - FinTech – Newcastle (Tech stack: Frontend Developer, React, TypeScript, Websockets, SignalR) I’m recruiting on behalf of a leading FinTech company in Newcastle that is looking for an experienced Frontend Developer to join their dynamic team. This is a fantastic opportunity to work in a fast-paced, innovative environment … What They’re Looking For: Strong programming and technology skills, with recent hands-on experience in React and TypeScript . Extensive experience working with Websockets, SignalR, or other real-time push technologies . Experience with containers and orchestration . A passion for UX and usability , ensuring the best possible user More ❯
newcastle-upon-tyne, tyne and wear, north east england, United Kingdom Hybrid / WFH Options
Noir
Frontend Developer - FinTech – Newcastle (Tech stack: Frontend Developer, React, TypeScript, Websockets, SignalR) I’m recruiting on behalf of a leading FinTech company in Newcastle that is looking for an experienced Frontend Developer to join their dynamic team. This is a fantastic opportunity to work in a fast-paced, innovative environment … What They’re Looking For: Strong programming and technology skills, with recent hands-on experience in React and TypeScript . Extensive experience working with Websockets, SignalR, or other real-time push technologies . Experience with containers and orchestration . A passion for UX and usability , ensuring the best possible user More ❯
london, south east england, United Kingdom Hybrid / WFH Options
Understanding Recruitment
Senior Core Java Developer 🤖 - Up to £120k DOE 💰 - Hybrid (London) 🏡 Our client is a highly trusted player in asset management and FX trading, looking to recruit a proficient Senior/Core Java Developer to join their apps team. This opportunity More ❯
Manchester, Lancashire, United Kingdom Hybrid / WFH Options
Bitfinex
Bitfinex is a digital asset trading platform offering state-of-the-art services for digital currency traders and global liquidity providers. Founded in 2012, Bitfinex was one of the first professional platforms set up to accommodate for the booming interest More ❯