1 to 25 of 41 WebSockets Jobs in London

High-performance microservices Data infrastructure and analytics pipelines Bonus points for SQL Boost ASIO Apache Arrow, Parquet, Protocol Buffers or FlatBuffers gRPC, REST or WebSockets Docker, Kubernetes, AWS or Google Cloud Rust, Python or Q This is an opportunity to solve complex engineering problems in an environment where software performance ...

attitude capable of taking projects from inception to completion.At least a bachelor’s degree in a technical or quantitative field.Stack:Frontend: TypeScript, React, Openfin, WebSockets to build our real-time, multi-window, multi-monitor UI.Backend: Java, Aeron messaging/Aeron Cluster to build our high performance, fault-tolerant systems.Infrastructure: GitHub ...

tracking platforms Azure Static Web Apps Azure DevOps CI/CD pipelines Vite performance optimisation and bundle analysis Storybook or other component documentation platforms WebSockets or SignalR Client onboarding platforms KYC/KYB workflows Regulated financial services environments If you don't have industry-specific experience but are an exceptional ...

First Token) and maximize throughput. This includes implementing quantization, caching strategies, and efficient batching.Production Engineering: Build and maintain real-time AI pipelines using WebSockets and SSE, ensuring seamless low-latency delivery for voice (ASR/TTS) and text applications.Architecture & MLOps: Deploy and orchestrate models within containerized microservice architectures (Docker/ ...

experience is a strong plus A solid grounding in core computer science fundamentals: data structures, algorithms and system design Experience with real-time data (WebSockets, SSE or similar) is a significant advantage in this role Good to have experience with AG Grid, Prime Vue, UI state management systems such ...

Judgment: A proven track record of designing scalable, maintainable systems and clearly articulating architectural trade-offs.API & Integration Skills: Proficiency with REST, streaming (SSE/WebSockets), and the real-world complexities of stitching together messy upstream systems.Data Proficiency: Strong SQL/NoSQL skills, query optimization, and data modeling.Testing & Ownership Mindset ...

mobile apps with React Native, all in TypeScript. We manage state with Redux and React Query, stream real-time trading data over WebSockets, and consume REST APIs across our services.ResponsibilitiesDesign, implement and maintain complex features and interfaces across web and mobile (iOS & Android), built with React, React Native and TypeScriptWork ...

edge that every customer touches. The proxy handles all client connections and transfers every byte of query traffic, serving every data protocol: Postgres, HTTP, WebSockets, and Data API. We route and manage large volumes of concurrent connections, solving load balancing, authentication, and data access at high throughput. We focus ...

knowledge of Bloomberg, Refinitiv/LSEG, ICE, CME, S&P Global Platts, Argus, and related market data services.Experience integrating data through REST APIs, FIX, WebSockets, SFTP, streaming technologies, and vendor SDKs.Strong programming capabilities in Python, C#, SQL, and modern integration technologies.Practical experience with Azure, Databricks, Snowflake, and cloud-native data ...

testing, and deployment. Technical Skills & Expertise- Frontend Technologies: Expert-level proficiency in HTML, CSS, JavaScript, React, and TypeScript Real-Time Communication: Strong understanding of WebSockets, Server-Sent Events (SSE), and REST APIs State Management & Programming: Solid experience with state management libraries (e.g., Redux) and reactive programming paradigms Architecture: Strong understanding ...

WILL NEEDProfessional experience building backend services, ideally in Kotlin and/or Python.Solid experience designing and building backend services and REST APIs; experience with WebSockets or other real-time streaming protocols such as NATS/JETSREAM is a plus.Working knowledge of SQL and experience integrating with multiple internal or third ...

frontend, and shipping backend services in Node.js/TypeScript (or a strongly transferable language, with willingness to ramp) on the backend.Real-time: WebRTC, WebSockets, streaming architectures, latency-sensitive systems.High Agency: You don't wait for permission. If the billing reconciliation process is slow, you automate it. If the documentation ...

Tech: C#, concurrent .NET code,TCP/IP and websockets, SQLChallenge: Greenfield Trading platform, API development, industry specific challengesFirm: Well-known Commodity Trading Software Firm, City of London, 40 man flat Dev TeamPay: 85k, 20% Bonus- 750 training budget, Pension, Life/Health, Some Flex WorkingC# Backend Developer FintechQuant ...

from day 1.My client is based in Central London flex working is a given from now on.Tech: Junior C#, .Net, F#, WPF, SignalR/websockets, Protocol Buffers, Octopus, Autofac, SQL ServerChallenge: Greenfield Trading platform, API development, industry specific challengesFirm: Well-known Prop Trading Firm , City of London, 40 man flat ...

Tech: C#, .Net, F#, WPF, SignalR/websockets, Protocol Buffers, Octopus, Autofac, SQL ServerChallenge: Greenfield Trading platform, API development, industry specific challengesFirm: Well-known Commodity Trading Software Firm, City of London, 40 man flat Dev TeamPay: 75k, 20% Bonus- 750 training budget, Pension, Life/Health, Some Flex WorkingC# Desktop ...

product analytics, user research, and A/B testing to drive decisions Familiarity with cloud platforms (e.g., AWS, Azure) and integration technologies (e.g., APIs, websockets) (desirable) EV, energy, renewables, automotive or infrastructure sector experience (desirable) Interviewing ASAP - get in touch with Kaiya for more information on kaiyashah@digitalgurus.co.uk ...

Tech: C#, concurrent .NET code,TCP/IP and websockets, SQLChallenge: Greenfield Trading platform, API development, industry specific challengesFirm: Well-known Commodity Trading Software Firm, City of London, 40 man flat Dev TeamPay: 80k, 20% Bonus- 750 training budget, Pension, Life/Health, Some Flex WorkingC# Backend Developer FintechQuant ...

edge that every customer touches. The proxy handles all client connections and transfers every byte of query traffic, serving every data protocol: Postgres, HTTP, WebSockets, and the Data API. We route and manage large volumes of concurrent connections, solving load balancing, authentication, and data access at high throughput, with ...

modern CSS frameworks, ideally Tailwind CSS________________________________________Desirable Experience* mTLS and X.509 certificate management* HashiCorp Vault, Consul or Terraform* InfluxDB* Server-Sent Events (SSE) and WebSockets* Networking or embedded systems exposure* Data visualisation tools such as Recharts or D3* Distributed systems and scalable architectures________________________________________Additional Requirements* Must be eligible and willing … this role.________________________________________Keywords: Go, Golang, Gin, REST API, PostgreSQL, GORM, Docker, React, JavaScript, ES6, Axios, Tailwind CSS, JWT, mTLS, X.509, Terraform, Vault, Consul, InfluxDB, WebSockets, SSE, CI/CD, Microservices, Cloud Native, Distributed Systems, Secure Communications, Full Stack Developer, Backend Engineer, Remote Software Engineer, Platform Engineering. ...

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, through ...

Job ID: 98742248336Posted: 2026-08-04Location: 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 ...

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 ...

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 ...

DescriptionFuse Energy is a forward-thinking renewable energy startup on a mission to deliver a terawatt of renewable energy - fast. We're combining first-principles thinking with cutting-edge technology to build a radically better ...

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 ...