51 to 75 of 86 WebSockets Jobs in England

Engineer C# (Full Stack)

Hiring Organisation
Liquidnet
Location
London, UK
Employment Type
Full-time
Group OverviewThe TP ICAP Group is a world leading provider of market infrastructure. Our purpose is to provide clients with access to global financial and commodities markets, improving price discovery, liquidity, and distribution of data ...

FX Client Platforms - Senior UI Software Engineer (Vice President)

Hiring Organisation
Citigroup
Location
London, UK
Employment Type
Full-time
Job ID: 98742248336Posted: 2026-08-21Location: London, England, United KingdomCategory: Technology, Applications Development, ProfessionalCompany: CitiFX Client Platforms - Senior UI Software Engineer (Vice President)About the RoleWe are seeking a Senior Applications Developer to join ...

Engineer C# (Full Stack)

Location
Greater London, England, United Kingdom
## Engineer C# (Full Stack)Applylocations: Londontime type: Full timeposted on: Posted Todayjob requisition id: R5595**Group Overview**The TP ICAP Group is a world leading provider of market infrastructure.Our purpose is to provide clients ...

Full Stack Developer

Hiring Organisation
Devonshire Hayes Recruitment Specialists Limited
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £55,000 per annum
real-time applications using Nextjs, React and TypeScript. Build complex, data-driven interfaces using Web Components and AG Grid. Implement real-time communication using WebSockets or SignalR. Develop RESTful APIs and microservices using C#, doNET 8 and Python. Build distributed systems using RabbitMQ and Redis. Work with SQL Server … DevOps and GitHub. Essential Experience Next.js, React, TypeScript, Web Components and AG Grid. Front-end trading application development. Real-time sales and trader workflows. WebSockets or SignalR. C#, dotNET 8, Python, RESTful APIs and microservices. RabbitMQ and Redis. SQL Server or AWS RDS, plus MongoDB or another NoSQL database. Azure ...

Lead UI Developer – Single Dealer Platform (TypeScript / RxJS / React)

Location
Bromley, England, United Kingdom
delivery plans. Own the front end architecture (React + TypeScript + RxJS), including state management, observables, and data flow design for live market data (WebSockets/Server Sent Events). Design and implement modular, testable, and reusable components and design system primitives aligned to accessibility (WCAG 2.1 AA+). Drive … . What we are looking for Solid years building web applications with TypeScript and React; 3+ years in a senior/lead role. WebSockets, Server-Sent Events, WebRTC or other high performance bidirectional data streaming experience. GraphQL, Protobuf, Flatbuffers or other schema-driven API design tools. Strong RxJS (or equivalent ...

Senior Machine Learning Engineer

Location
City Of London, England, United Kingdom
Position Overview We are seeking a Senior Machine Learning Engineer to design, deploy, and optimize our next-generation Conversational AI and Data Analytics platforms. You will bridge the gap between AI research and production engineering. ...

Principal Software Engineer - C#

Location
City Of London, England, United Kingdom
The TP ICAP Group is a world leading provider of market infrastructure.Our purpose is to provide clients with access to global financial and commodities markets, improving price discovery, liquidity, and distribution of data, through responsible ...

Principal Software Engineer - C#

Location
Greater London, England, United Kingdom
## Principal Software Engineer - C#Applylocations: Londontime type: Full timeposted on: Posted Todayjob requisition id: R5616The TP ICAP Group is a world leading provider of market infrastructure.Our purpose is to provide clients with access to global ...

Senior Software Engineer Engineering · London · On-site

Location
Greater London, England, United Kingdom
we make it easy for developers and AIs to build on health data. hundreds of wearables, sensors, labs, and health apps — connected, normalized, and made intelligent through a single platform. 1,000s of developers and ...

Principal Software Engineer - C#

Location
City Of London, England, United Kingdom
Role Overview ICRV are seeking an exceptional Principal Engineer to own the architecture, design and hands‐on delivery of a desktop platform automating and streamlining trading desk workflows. This is a high‐visibility player‐coach ...

Principal Software Engineer - C#

Hiring Organisation
Liquidnet
Location
London, UK
Employment Type
Full-time
The TP ICAP Group is a world leading provider of market infrastructure. Our purpose is to provide clients with access to global financial and commodities markets, improving price discovery, liquidity, and distribution of data, through ...

Full Stack Engineer

Location
Greater London, England, United Kingdom
About Wintermute Wintermute is one of the largest crypto native algorithmic trading companies in digital assets. We provide liquidity across most cryptocurrency exchanges and trading platforms, a broad range of OTC trading solutions as well ...

Software Developer - Data Infrastructure

Hiring Organisation
SQUAREPOINT CAPITAL
Location
London, UK
Employment Type
Full-time
Position Overview: The Data Infrastructure team manages the service-oriented data storage infrastructure for the firm. We implement microservices that provide high performance solutions to access large data sets required in trading and research. We ...

Lead Software Engineer

Hiring Organisation
Saab UK
Location
Fareham, Hampshire, South East, United Kingdom
Employment Type
Permanent
Introduction Saab UK is part of Scandinavia's largest defence company, bringing together the best of Swedish and British innovation. Saab offers world-leading solutions and services in defence, aviation, space, and civil security to ...

Front End Developer

Hiring Organisation
Noir
Location
Newcastle Upon Tyne, Tyne and Wear, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £80,000 per annum
Front End Developer - FinTech - Newcastle (Tech stack: Front End Developer, React, TypeScript, Websockets, SignalR, Containers, Orchestration, UX, Usability, Programmer, Developer, Architect, Front End Developer) Our client is a cutting-edge FinTech company with a reputation for innovation and excellence. They design and build advanced trading and analytics platforms used globally … Science (essential). Strong recent experience with modern front-end frameworks, particularly React, alongside TypeScript. Background working with real-time communication tools such as Websockets or SignalR. Familiarity with containerisation and orchestration platforms. A genuine enthusiasm for creating clean, usable, and engaging interfaces. The confidence to collaborate across different teams ...

Senior Front Office Developer - HFT

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
Senior Software Engineer, Quant trading – Python, RUST, C++London (Hybrid)150,000-2000,000 + 50k+ bonusQuant Capital is urgently looking for a Senior Software Engineer to join our high profile client. My client, a leading ...

Python Developer

Hiring Organisation
Response Informatics
Location
London, United Kingdom
Employment Type
Contract
Job Description: Role Summary: We are seeking a Python Developer to build and maintain high-performance banking applications. You will engineer scalable backend services using Python and develop intuitive frontend interfaces using React. This role ...

Senior Software Engineer - Quant trading

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
Senior Software Engineer, Quant trading – Python, JavaLondon (Hybrid)130,000-175,000 + benefits and bonusQuant Capital is urgently looking for a Senior Software Engineer to join our high profile client. My client, a leading ...

Senior Software Engineer, C++

Location
Greater London, England, United Kingdom
Flow Traders is looking for Senior C++ Software Engineers to join our growing team in Amsterdam. Software Engineers at Flow Traders provide us with our competitive edge, equipping Researchers and Traders with the information and ...

Senior Software Engineer, Quant trading - Python, Java, C++

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
Senior Software Engineer, Quant trading – Python, JavaLondon (Hybrid)130,000-175,000 + benefits and bonusQuant Capital is urgently looking for a Senior Software Engineer to join our high profile client. My client, a leading ...

Software Engineer III - UI Development Team

Hiring Organisation
Bank of America
Location
Bromley, Greater London, UK
Employment Type
Full-time
Job Description: Job Title: Software Engineer IIICorp Title: VPLocation: BromleyAt Bank of America, we are guided by a common purpose to help make financial lives better through the power of every connection. We do this ...

Senior Software Engineer, Quant trading - Python, RUST, C++

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
Senior Software Engineer, Quant trading – Python, RUST, C++London (Hybrid)150,000-180,000 + 50k bonusQuant Capital is urgently looking for a Senior Software Engineer to join our high profile client. My client, a leading ...

Software Engineer, C++

Hiring Organisation
Tower Research Capital
Location
London, UK
Employment Type
Full-time
Tower Research Capital is a leading quantitative trading firm founded in 1998. Tower has built its business on a high-performance platform and independent trading teams. We have a 25+ year track record of innovation ...

WPF UI Developer

Hiring Organisation
Huxley Associates
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£120000 - £135000/annum
Top Tier Investment Bank requires an experienced senior WPF C Sharp .Net developer to lead on the direction and delivery of a low latency, high through put etrading UI platform. Responsibilities Software engineering experience in ...

Senior QA / Automation Engineer

Hiring Organisation
Avanti
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £50,000 per annum
they should be tested. You will be working across: React/Next.js web applications REST APIs and backend services Real-time data feeds and WebSockets Embedded widgets and customer integrations High-traffic, data-driven applications Betting and gaming products A key focus will be improving confidence around releases and ensuring … integration testing Creating test plans and test cases Working closely with software development teams Experience with load/performance testing, real-time data, WebSockets, event-driven systems or high-traffic applications would be particularly valuable. The wider technology environment includes React, Next.js, Go, Node.js, Python, PostgreSQL, Redis, DynamoDB ...